Fantasea Line FRX100 III Housing User manual

FRX100 III Housing Instruction Manual 20141005
Fantasea Line
FRX100 III Housing
(Cat. No. 1503)
For Sony Cyber-shot RX100 III
Instruction Manual

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TABLE OF CONTENTS
TABLE OF CONTENTS ........................................................................................................................................ 2
DISCLAIMER ..................................................................................................................................................... 3
INTRODUCTION ................................................................................................................................................ 3
GENERAL INFORMATION ............................................................................................................................................... 3
FEATURES &SPECIFICATIONS ......................................................................................................................................... 4
INCLUDED IN PACKAGE..................................................................................................................................... 5
IDENTIFICATION OF HOUSING PARTS ............................................................................................................... 6
THE SONY RX100 III DIGITAL CAMERA .............................................................................................................11
SETTING UP THE HOUSING ..............................................................................................................................12
PREPARING THE CAMERA ............................................................................................................................................ 12
PREPARING THE HOUSING........................................................................................................................................... 12
OPENING THE HOUSING ............................................................................................................................................. 14
CHECKING THE O-RING............................................................................................................................................... 14
INSTALLING THE CAMERA ............................................................................................................................................ 16
CLOSING THE HOUSING .............................................................................................................................................. 17
REMOVING THE CAMERA FROM THE HOUSING ............................................................................................................... 18
USING THE CAMERA BUILT-IN FLASH ............................................................................................................................. 19
OPTIONAL ACCESSORIES..................................................................................................................................20
FOR THE FULL SELECTION OF FANTASEA ACCESSORIES COMPATIBLE WITH THE FRX100 III HOUSING,PLEASE REFER TO THE FANTASEA
WEBSITE –WWW.FANTASEA.COM................................................................................................................................. 20
EXTERNAL FLASHES .................................................................................................................................................... 20
FLASH &VIDEO LIGHTING SETS .................................................................................................................................... 22
LENS ACCESSORIES..................................................................................................................................................... 22
HOUSING HAND GRIP STRAP ........................................................................................................................................ 23
COLD-SHOE CONNECTOR FOR LIGHTING ACCESSORIES....................................................................................................... 24
MOISTURE DETECTOR ................................................................................................................................................ 24
FRX100 III HOUSING ACCESSORY SYSTEM ..................................................................................................................... 25
CARE & MAINTENANCE ...................................................................................................................................26
FANTASEA PRODUCT CONSUMER LIMITED WARRANTY...................................................................................27
FANTASEA MOISTURE DETECTOR ....................................................................................................................28
IDENTIFICATION OF PARTS ........................................................................................................................................... 28
SILENCING THE ALARM ............................................................................................................................................... 29
REPLACING BATTERIES ................................................................................................................................................ 29
REPLACING THE ALARM UNIT ....................................................................................................................................... 30

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DISCLAIMER
While every effort has been made in order to ensure that the information included in this instruction
manual is accurate and complete, no liability will be accepted for any errors or omissions. Fantasea Line
reserves the right to change product specifications and features described herein at any time without prior
notice. No part of this instruction manual may be copied, translated or reproduced without the prior
written permission of Fantasea Line. Fantasea Line makes no warranties aside from limited product
warranty as described at the end of this manual.
INTRODUCTION
General Information
The FRX100 III Housing features a stylish and ergonomic design, specifically created for the Sony RX100 III
digital camera. The FRX100 III Housing is manufactured to the highest professional standards of function,
style and durability. It is depth rated to 60m/200 feet and features ergonomically designed and labeled
controls. The Fantasea FRX100 III is the ultimate waterproof home for the Sony RX100 III.
The FRX100 III Housing is ideal for outdoor and underwater photography. Underwater photographers can
dive or snorkel and capture all the excitement of this fascinating world, while outdoor photographers also
have the option of capturing the action of outdoor and water sports activities, such as paddle sports, sailing,
boating, surfing, fishing, hunting, backpacking and camping. The FRX100 III Housing is shock resistant and
protects the camera from water, sand, dust, frost, impact, as well as other damaging elements and harmful
occurrences. The FRX100 III Housing was designed to be compatible with a complete accessory system,
enabling photographers to enhance the quality of their images.
Note
Please read this manual carefully in order to properly operate the FRX100 III
Housing. Store this manual in a safe place for further reference once you have
read it.

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Features & Specifications
Depth rated to 60m/200 feet
Made from durable injection molded Polycarbonate
Access to all essential camera controls and functions
Shock resistant
Double O-ring main seal
Special cold-shoe mount for lighting accessories
Removable double fiber optic cable connection plate
Removable flash diffuser
Removable anti-glare hood for the LCD screen
Easy and secure installation of camera
Labeled controls for comfortable operation
FREE Moisture Detector and Hand Strap
Compatible with a wide range of underwater photo accessories
Weight (with camera on land): 900g
Weight (without camera on land): 600g
Dimensions (without accessories): 15.5 x 14.5 x 12 cm \ 6.25 x 5.75 x 4.75 inch (W x D x H)
Manufacturer’s warranty

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INCLUDED IN PACKAGE
1. FRX100 III Housing
2. Removable flash diffuser with secure line
3. Hand lanyard
4. Silicone grease
5. Anti-glare hood for LCD screen
6. Screwdriver
7. Silica gel packs
8. O-ring remover
9. Spare back door O-ring seal
10.Diffuser quick release secure string
(housing side)
11.Hand strap
1
5
6
7
2
8
9
3
4
10
11

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IDENTIFICATION OF HOUSING PARTS
Top/Front Side of Housing - Corresponding numbered descriptions are found on the following page
Note
1. Please refer to the Sony RX100 III camera instruction manual for
detailed descriptions and instructions regarding all camera controls and
functions.
2. It is strongly recommended that you familiarize yourself with all the
controls topside before using these controls underwater.
1. Zoom Control
2. Shutter Release
3. On/Off
4. Mode Dial
5. Cold Shoe Mount
6. Fiber Optic
Cable Plate
7. Control Ring
8. Lens Port
9. Tripod Mounting Screw Holes
(bottom)

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Numbered descriptions below refer to corresponding numbers on the top/front housing graphic on the
previous page:
1. Zoom Control –Turning this control activates the camera zoom button.
a. In Shooting Mode –
i. Turn the zoom control clockwise to zoom out, increasing the area visible in the frame.
ii. Turn the zoom control counterclockwise to zoom in, so that the subject fills a larger
area of the frame and for close-up and macro images to be taken.
b. In Playback Mode - use the zoom control as an index or playback lever.
2. Shutter Release –Activates the camera shutter release button and auto focus prior to taking the
picture.
3. On/Off- Pushing this control activates the camera power switch button and turns the camera on/off.
4. Mode Dial –Turn this dial to change shooting modes.
Important Notice! It is recommended to align housing and camera mode dials prior to installing the
camera inside the housing. Please refer to the section “Installing the Camera” for more information.
5. Cold-Shoe Mount for Lighting Accessories- Enables mounting a flash, video light, torch or focus light
on top of the housing by using a dedicated connector. For further information regarding such
connectors, please visit the Fantasea website –www.fantasea.com
6. Fiber Optic Cable Plate-
a. When installed on the housing, the fiber optic cable plate and the two adaptors inserted
inside it allow for an easy attachment of 2 fiber optic cables to the housing. For further
instructions, please refer to the section “External Flashes”.
b. Remove the fiber optic cable plate from the housing in order to make use of the internal
camera flash during your dive. In order to remove the plate, insert your fingers beneath the
adaptors installed inside the plate and pull the plate upwards till it is removed from its slot.
Note that when photographing using the camera built-in flash only, the flash diffuser
accessory should be installed, or else unwanted shading will occur in most images taken.
c. Make sure the fiber optic cable plate is secured to the housing by its secure line in order to
avoid losing it during the dive.
d. If using only one external flash, make sure the second fiber optic cable adaptor remains in its
place to block any light coming out of the exposed adaptor hole.

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7. Control Ring –Turning this control activates the control ring around the camera lens. Your favorite
functions can be assigned to the control ring and when shooting, established settings can be changed
just by turning the control ring.
To edit the settings of the control ring, enter the Menu Custom Settings Custom Key Settings 
Control Ring, and select the desired function.
8. Lens Port- The housing lens port features a 55mm thread and it’s compatible with a wide variety of
“wet” accessory filters and lenses, including those of 52mm and 67mm when using a step down or
step up adaptor. For a selection of lens accessories available, please visit the Fantasea website –
www.fantasea.com
9. Tripod Mounting Screw Holes –Enable mounting the housing on a tray, thereby allowing for the
addition of various image enhancement accessories to your underwater photo system. By choosing
any one of 3 adjustment positions, you can better determine how and where to position the housing
on the tray. This configuration also allows for the use of 2 set screws for the tray mount, thereby
preventing any swiveling of the housing on the tray.

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Back Side of Housing - Corresponding numbered descriptions are found below the image
10.Flash Pop-Up –Turning this control counterclockwise will pop-up the camera built-in flash.
Note that once the camera built-in flash has been popped up, it can be disabled again using the Flash
/ Right control (no. 15) and selecting “flash disabled” on the flash mode menu. Turning the Flash Pop-
Up control clockwise will not have any effect on the built-in flash.
Note: When shooting in M (Manual), A (Aperture priority) or S (Shutter Speed priority) shooting
modes, please take into consideration that once the flash has been popped up –it cannot be
disabled. Therefore, in such cases, it's recommended to switch to Auto shooting mode to eliminate
the flash after it has been popped up.
11.Movie (Video Control) Button –
a. Push the Movie (video) Control in any shooting mode to start recording a video. The record
symbol (REC) appears and displayed with the elapsed time.
b. Push the Movie Control again in order to stop recording.
10.Flash Pop-Up
11.Movie (Video
Control) Button
13. Menu
12.Function
14.Display / Up
15.Flash / Right
16.Exposure
Compensation /
Photo
Creativity /
Down
17.Drive Mode /
Self Timer /
Left
18.Select /
Rotary Wheel
22. Playback
19.Latch Dial
20.Latch Dial Lock
21.Custom / Delete
23.Removable
Anti-Glare
Hood

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12.Function –Allows you to register 12 functions and recall those functions when shooting.
a. Push the Function control.
b. Select the desired function by using multi-selector controls.
c. Select the setting value by turning the control ring or by using multi-selector controls.
13.Menu - Pushing this control activates the camera menu button.
Multi-Selector buttons (14-18)
14.Display / Up –Pushing this control activates the camera Display / Up button.
15.Flash / Right –Pushing this control activates the camera flash mode / right button.
16.Exposure Compensation / Photo Creativity / Down –Pushing this control activates the camera
exposure compensation / photo creativity / down button.
17.Drive Mode / Self Timer / Left –Pushing this control activates the camera drive mode / left button.
18.Select / Rotary Wheel –
c. Pushing this control activates the camera Select (confirm selection) button.
d. Rotating this control operates the camera rotary wheel, thereby enabling to alter exposure
values, navigate through menus and other functions assigned to the rotary wheel.
19.Latch Dial –This dial ensures the housing is properly closed and watertight sealed, when locked fully
into place. For further instructions, please refer to the sections "Opening the Housing” and “Closing
the Housing”.
20.Latch Dial Lock (red lever) - Ensures the secure dial doesn’t accidently open during the dive. For
further instructions, please refer to the sections "Opening the Housing” and “Closing the Housing”.
21.Custom / Delete –
a. In playback mode, push this control to delete images.
b. To assign additional functions for this button, enter the Menu Custom Settings Custom
Key Settings C Button, and select the desired function.
22.Playback –Pushing this button allows you to enter the playback mode and to review images or
videos stored on the memory card.
23.Removable Anti-Glare Hood –The anti-glare hood enables a better view of the LCD screen when
shooting in bright conditions. It can be removed and installed during the dive. For further
instructions, please refer to the section “Preparing the Housing”.

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THE SONY RX100 III DIGITAL CAMERA
By definition, the RX100 III is best compact camera Sony
has ever made. It delivers absolutely stunning image
quality and yet, it’s compact enough to take anywhere.
Images maintain soft background defocus even when
zoomed in with the improved f1.8-2.8 24-70mm Zeiss®
lens. The ultra-fast BIONZ X processor adds speed and
accuracy for stills as well as beautiful full HD videos. The
back illuminated technology of the 20.1 MP 1-inch Exmor
R® sensor doubles light sensitivity and reduces noise levels
–a great help when photographing in dimly environments, such as in deep water. Markedly reduced noise
is evident when high-sensitivity settings are used for capturing images in dark environments, such as
during night dives. The built-in Zeiss® Vario-Sonnar T 2.9x zoom lens covers wide-angle to portrait-length
perspectives to suit working in a wide variety of environments. An f/1.8-2.8 maximum aperture benefits
working in low lighting and controlling focus throughout the zoom range. A built-in three-stop ND filter is
incorporated into the camera's design to suit shooting in bright conditions with wider apertures and for
greater control over how movement is depicted. The lens also features a Zeiss T anti-reflective coating,
which helps to reduce surface reflections, lens flare, and ghosting in order to produce imagery that is rich
in contrast and clarity. Full HD 1920 x 1080 movies can be recorded in the high-quality XAVC S format.
Full-pixel readout helps to minimize any artifacts in recordings due to the ability to utilize data from the
entire image sensor, which ultimately results in smooth, high-resolution recordings. Built-in Wi-Fi
connectivity enables instant transferring of imagery to mobile devices for direct sharing online to social
networking, via email, and to cloud storage sites.
Sony RX100 III Highlights
20.1 MP 1-inch Exmor R® sensor
Bright F1.8 Carl Zeiss® Vario-Sonnar T® lens (24-70mm)
Built-in SVGA OLED viewfinder w/ZEISS T coating
Selfie-ready multi-angle 3” Xtra Fine LCD display
Built-in ND filter for wider-ranging photographic expression
Full HD 1920 x 1080 video recording capabilities
HDMI clear output for uncompressed video recordings
Comfortable control ring for manual operation
NFC smartphone linking –Simple connectivity to smartphones via Wi-Fi
Ultra-fast processor provides the benefits of shooting up to 10 fps in Speed Priority Mode, 2.9 fps
shooting with single-shot AF, a shutter lag time of just 0.008 sec., and a start-up time of 1.6 sec.

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SETTING UP THE HOUSING
PREPARING THE CAMERA
1. Install a (preferably empty) memory card (16 GB+ capacity recommended) and a fully charged
battery inside the camera.
2. Remove the camera strap from the camera if one was installed.
3. Turn the Mode Dial so the Intelligent Auto (green symbol) shooting mode is selected and aligned
with the white mark on the left of the wheel. This will allow for the camera and housing mode
dials to be aligned, so the housing mode dial will indicate the proper mode selected by the
camera dial.
4. It is recommended to program the camera to the most frequently used underwater photo mode,
lighting and other key settings prior to installing the camera in the housing.
PREPARING THE HOUSING
1. When using the housing for the first time-
a. Peel the transparent plastic screen protector off the back door exterior of the housing.
b. Install the hand lanyard on the housing by inserting it through the lanyard loop on the
bottom right of the housing (facing from back), then pulling it through itself and testing it
in order to make sure it is secure (image #1 on the following page).
c. Install the housing side of the diffuser quick release secure line by tying it around the
upper rectangular loop at the top left side of the housing, where the Fiber Optic Cable
Plate secure string is attached to as well (image #2 on the following page). Please note
that this line may come assembled and then there is no need for installation.
Note
It is important that a first dive is always carried out with the housing
empty (no camera installed inside) in order to verify that the housing
watertight seal has not been affected during transport and after long
periods of storage.

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d. Open the housing (see section “Opening the Housing” on the following page) and remove
the anti-glare hood out of the housing. Secure the anti-glare hood to the housing by tying
its secure string around the lower rectangular loop at the bottom left side of the housing.
Install the anti-glare hood over the anti-glare hood rails at the back of the housing. First
install the anti-glare hood over the top rail (image #3) and then gently and carefully
stretch it downwards to install it on the bottom rail, making sure it’s sitting securely on
both upper and lower rails (image #4).
e. If using a Hand Strap, install it on the two loops found at the right side of the housing.
Please refer to the section “Hand Strap” on page 23 for further information.
f. It is important that a first dive with the housing is always made without the camera in
order to verify that the housing watertight seal has not been affected during transport
and after long periods of storage.
Image #1
Image #2
Image #3
Image #4

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OPENING THE HOUSING
1. Pull the small red tab located at the bottom of the latch dial outwards (up and away from the
housing), as indicated by the arrow direction (image #5). There is no need to apply any force.
2. While holding the lock dial up, turn the latch dial counterclockwise until the red latch tab is
located at the top of the latch and cannot be turned any further (image #6). There is no need to
apply any force.
3. Carefully open the back side of the housing.
4. Note that when opening the housing for the first time or when opening it after airplane trips,
increased resistance might be encountered. Therefore, it is important not to lock the housing
and to leave it slightly open when transporting by air.
CHECKING THE O-RING
1. Prior to each closure of the housing, the back door black O-ring should be visually inspected.
If there is any debris present, including dirt, sand, dust, hair or any other matter, it must be
cleaned to ensure a proper watertight seal.
2. In order to clean the black O-ring, first remove it from the housing:
a. Insert the O-ring remover between the black O-ring and the groove it is
seated in (image #7 on the following page).
Image #5
Image #6

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b. Slip the tip of the inserted O-ring remover below the black O-ring, while making sure
the O-ring doesn’t get damaged (image #8 on the following page).
c. Carefully hold the O-ring with your fingertips in order to remove it from the groove.
3. Cleaning the O-ring is a simple matter of wiping it with a damp, soft cloth to remove the
foreign matter. Be careful the cloth you use does not leave any of its own material behind
as this can also affect the effectiveness of the seal.
4. Apply a slight layer of silicone grease on the black O-ring. Please note that the amount of
lubrication required on the O-ring is only enough to allow it to slip into place without friction,
so it does not twist or become dislodged. More grease is not necessarily better, and in some
cases might interfere with the watertight seal of the housing.
5. When replacing the O-ring, place it back into the groove starting at one corner and gently
pressing it into the groove all around the housing until it is all seated in the groove and no
part of it is sticking up or out of the groove.
6. The white O-ring featured on the back side of the front door should be visually inspected
prior to each dive. If there is any debris present, gently wipe the area with a soft microfiber
cloth in order to cleanse it.
7. The white O-ring featured on the back side of the front door shouldn’t be removed unless
it’s damaged.
Image #7
Image #8

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INSTALLING THE CAMERA
Since the FRX100 III Housing is specifically designed for the Sony RX100 III digital camera, installing the
camera in the housing is quite simple.
1. Make sure the camera is turned off.
2. Hold the camera parallel to the housing and then gently install it inside (image #9). Avoid
inserting one side of the camera prior to the other, as this will make the installation difficult and
might cause damage to the camera or housing.
3. Take special care not to touch or damage the moisture detector device when installing the
camera. The Device is located inside the housing on the inner (right) side of the housing
interior to the latch dial (image #10).
MOISTURE DETECTOR
Image #9
Image #10

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4. If inserting a silica gel pack inside the housing in order to prevent moisture, it is best to insert it
on the left side of the camera, in the slot midway up between the two rubber shock absorber
mounts, where it doesn’t interfere with proper housing operation. It is important to make sure
that the silica gel pack doesn’t stick out, or else it might interfere with the watertight seal of the
housing.
CLOSING THE HOUSING
1. Turn the housing Control
Dial till the Intelligent Auto
shooting mode symbol is
positioned at the left (image
#11). Make sure not to
accidently turn this control
any further before closing
the housing.
2. Turn the latch dial so that
the small red tab located on
the latch is pointed towards the front side of the housing (image #12).
3. Carefully close the back door of the housing, pushing it against the front door, while making sure
there is nothing sticking out of the housing or impairing the smooth closure of the back door.
Then firmly press the back door against the forward section of the housing.
4. Turn the secure dial clockwise till the lock dial clicks. The small red tab should then be pointed
towards the bottom of the housing (image #13).
Image #11
Image #12
Image #13

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5. Gently try pulling the back door away from the front door. If the housing is properly closed, it
should be impossible to open the back door.
6. Visually inspect the black O-ring through the transparent back door for proper closure. Make
sure it isn’t twisted or out of the groove and that no foreign matter has been caught in the seal,
such as secure lines, sand, grit, hairs or any other foreign substance.
7. Turn the camera on and check that the
extended camera lens does not catch or bend
the black rubber seat on the inside of the lens
port. It is vital that this rubber seat does not
disturb the lens (image #14).
8. Test housing control buttons to make sure
that the camera was properly installed inside
the housing and that nothing interferes with
normal operation of the camera. It is
recommended to take a few images once the
camera has been installed inside the housing
and prior to the dive in order to ensure
proper operation.
9. If making use of the internal camera flash, install the removable
flash diffuser on the housing and attach the flash diffuser quick release secure string in order to
avoid losing it underwater. Please refer to the section “Using the Built-in Camera Flash” for
further information.
10.Prior to diving with the housing, submerge it in a shallow tub of water or rinse tank. Carefully look at
the housing to make sure no bubbles are escaping from it and that no water is entering.
REMOVING THE CAMERA FROM THE HOUSING
1. After use, thoroughly rinse the housing fresh water. Prior to opening the housing, make sure
both your hands and the housing are clean and dry. It is recommended to have a clean, dry and
soft towel handy in order to dry your hands and the water drops on the housing.
2. When opening the housing, it is important to hold it so the lens port is facing down. This will
prevent the camera from slipping out of the housing while being opened.
3. Open the housing as described in the section “Opening the Housing” and carefully remove the
camera from the housing. Take sufficient care that no water drips from your hair and body onto
the housing and camera.
Image #14

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USING THE CAMERA BUILT-IN FLASH
1. The Sony RX100 III has a built-in flash capable of illuminating nearby underwater subjects. For
stronger lighting, illuminating subjects that are farther away, avoiding backscatter, eliminating
shadowing effects and photographing in deep water, an accessory slave flash is recommended. For
further information, please refer to the section “External Flashes”.
2. In order to make use of the built-in camera flash, remove the Fiber Optic Cable Plate from the
housing. Insert your fingers beneath the adaptors installed inside the plate and push the plate
upwards till it is removed from its slot. Make sure the fiber optic cable plate is secured to the
housing by the dedicated secure line in order to avoid losing it during the dive.
3. The removable flash diffuser included assists with softening the built-in flash output, increasing its
angle of coverage and decreasing the amount of backscatter in the images (the unattractive
snowstorm effect of the flash reflecting off suspended particles in the water).
a. In order to install the removable flash
diffuser, hold and align the diffuser ring
against the housing lens port with the
diffuser pointed horizontally
(image #15).
b. Gently push the diffuser ring against the
housing lens port till it clicks.
c. Once the diffuser ring has been
installed on the lens port, turn the ring
till the diffuser is positioned on top of
the lens port. When reaching the
proper position, the diffuser ring clicks once more.
d. Attach the flash diffuser quick release secure string to the other side of the string connected
to the housing in order to avoid losing the flash diffuser underwater.
e. In order to remove the flash diffuser from the housing, first turn the diffuser ring till the
diffuser is pointed horizontally. With the diffuser pointed horizontally, gently pull the ring
out of the lens port.
f. During the dive, in order to disable the flash diffuser, the diffuser ring can be turned until the
diffuser is pointed downwards or aside. This eliminates the need to completely remove the
flash diffuser in order to eliminate it.
4. It is best to set the camera flash mode to “Flash Always” as artificial light is required in most
compositions for the purpose of color and light reproduction. This will ensure the built-in camera
flash fires on every image taken regardless of ambient light available. Please refer to the Sony RX100
III instruction manual for further instructions regarding such settings.
5. Turn the Flash Pop-Up dial counterclockwise in order to pop up the camera built-in flash.
Image #15

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6. Note that once the camera built-in flash has been popped up, it can be disabled again using the
Flash / Right control (page 10, no. 15) and selecting “flash disabled” on the flash mode menu.
Turning the Flash Pop-Up control clockwise will not have any effect on the built-in flash.
When shooting in M (Manual), A (Aperture priority) or S (Shutter Speed priority) shooting modes,
please take into consideration that once the flash has been popped up –it cannot be disabled.
Therefore, in such cases, it's recommended to switch to Auto shooting mode to eliminate the flash
after it has been popped up.
OPTIONAL ACCESSORIES
For the full selection of Fantasea accessories compatible with the FRX100 III Housing, please
refer to the Fantasea website –WWW.FANTASEA.COM
EXTERNAL FLASHES
Underwater flashes and strobes were designed to improve the color, lighting and quality of your
underwater images. Since light and color are absorbed by water, using an external flash is recommended in
all depths, during daylight and night dives. In addition to retrieving the color and light absorbed by water,
underwater flashes also allow for creative lighting, assist in reducing the amount of backscatter and prevent
the shadowing effect caused by the housing lens port when using the built-in camera flash, especially when
accessory lenses are mounted on the housing.
The FRX100 III Housing can be used with underwater slave flashes. These external flashes feature a slave
sensor which triggers the external flash to fire in sync with the internal camera flash.
Most underwater slave strobes are capable of synchronizing with the internal camera flash without any
cables under certain diving conditions. They feature a slave sensor that triggers the strobe to fire in sync
with the camera built-in flash as long as the strobe and the camera are positioned on the same axis and as
long as there is not much ambient light available. However, if the strobe slave sensor isn’t pointed directly
at the internal camera flash, or when photographing during daylight, in clear water and bright conditions,
the slave sensor might fail recognizing the output of the internal camera flash. Connecting a fiber optic
cable between the internal camera flash and the slave strobe ensures full synchronization in all angles and
diving conditions.
Attaching Fiber Optic Cables to the Housing
1. When installed on the housing, the fiber optic cable plate and the two adaptors inserted inside it
allow for an easy attachment of up to 2 fiber optic cables to the housing.