Sealife DIGITAL FLASH User manual

DIGITAL FLASH
Instruction Manual
with Tips from the Pros
DIGITAL FLASH
Instruction Manual
with Tips from the Pros

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Contents:
I. SeaLife Digital Flash Features and Benefits .......PAGE 2
III. Picture samples .....................................................PAGE 5
IV. Preparing your Digital camera and Flash............PAGE 7
V. How to use Digital Flash underwater ..................PAGE 25
VI. Tips from the Pros .................................................PAGE 31
VII. Care and maintenance ..........................................PAGE 42
VIII. Glossary..................................................................PAGE 44
IX. Troubleshooting Guide ..........................................PAGE 46
X. Accessories, and Related Products.....................PAGE 51
XI. Warranty Statement and service..........INSIDE BACK COVER
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I. SeaLife Digital Flash Features and Benefits
Universal Underwater Flash for all film and digital cameras*
• Deeper, richer colors and reduces backscatter
• 5 pre-flash cancellation settings
• Variable power adjustment for correct image exposure.
• Flash Link optical cable connection included
• Includes universal mount to adapt all SeaLife cameras and
other underwater camera housings with tripod mount.
• Flexible, rubberized arm for easy aiming and sure grip.
• Effective underwater distance range up to 8 feet (2.5m)
• Two Digital Flashes can be mounted to the camera.
• Depth rated to 200 feet (60m)
• Approximately 100 flashes with 4 AA batteries (not included)
• Deluxe carry case included.
*Works with digital cameras that have up to 4 pre-flashes

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Without Digital Flash With Digital Flash
Novice and experienced dives alike know that the deeper you dive the
less light penetrates the water column. While this descending drama
adds to your excitement as a diver, you will find that it also will chal-
lenge you as an Underwater Digital Photographer. Having an external
Digital Flash allows you to carry your own supplemental light with you.

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The SeaLife Digital Flash is fully adjustable allowing you to control the
brightness of your “sun” as you need.
The variable power adjustment lets you accent
colors and bring out the brightness of a reef
scene or the brilliant blue and yellows of an
Angelfish gliding by you. Plus, the SeaLife
Digital Flash allows you also to choose a pre-
flash setting that will synchronize your cameras’
flash system with that of the SeaLife Digital
Flash making your underwater images sharper
than ever.
By reading and following the simple instructions in this manual you will
be able make your images come to life with colors and details more
brilliant than ever.

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III. Picture samples – you can do this!

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Photos by John Chandler with SeaLife DC310 digital camera, Wide-Angle Lens and Digital Flash

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IV. Preparing your camera and SeaLife Digital Flash
Prepare your camera for use underwater. Here is a simple checklist
that is useful for most popular digital cameras and their housings.
• Insert blank memory card. It’s good practice
to regularly format the memory card. Make
sure card is blank before formatting.
• Insert freshly charged batteries. High mAh
batteries are suggested. Such as the SeaLife
NiMH AA rechargeable batteries.
• Turn camera power on
• Set SeaLife digital cameras to External Flash
exposure mode (see camera instruction
manual for details)
For non-SeaLife camera’s:
• Set ISO (start with 200 ISO)
• Set White Balance to AUTO
• Set camera’s Flash to ON (Turn off pre-flash, if possible)

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• Important: Turn off camera’s red-eye reduction.
• Select your desired image resolution.
• Use camera’s manual exposure mode to control aperture and shutter
speed, if possible.
• Read your digital camera instruction manual for how to adjust the
above mentioned cameras settings.
• Inspect and clean camera housing and main O-ring (Make sure
O-ring is not damaged and perfectly clean).
• Insert camera into housing and seal.
• Test fire the
camera to
make sure
camera’s
flash fires.