Olympus ZUIKO DIGITAL ED 300mm F2.8 User manual

ED300mm f2.8
Instructions

12
Contents
Features
• The ED300mm f2.8 is a lens with high imaging capability, designed exclusively for use with Olympus
FOUR THIRDS single-lens-reflex digital cameras.
• Dustproof and drip-proof construction.
• Super-telephoto lens corresponding to a 600 mm lens for a 35 mm camera.
• F2.8 high-quality lens with 13 elements in 11 groups including three ED (extra-low dispersion) glass
elements.
• Can be used in combination with the optional EC-14 teleconverter.
• Can be used in combination with the optional EX-25 extension tube for low-magnification shooting
(between 0.08X and 0.25X).
• Checking the Package Contents .................................................................................................. 13
• Nomenclature .............................................................................................................................. 14
• Attaching the Lens Strap ............................................................................................................. 14
• Attaching the Lens Case Strap .................................................................................................... 14
• Attaching the Lens Hood LH-120 ................................................................................................. 15
• Filters ........................................................................................................................................... 15
• Mounting a Filter .......................................................................................................................... 16
• Focus Limit Switch ....................................................................................................................... 17
• Focus Stop Buttons ..................................................................................................................... 17
• Shooting Cautions ....................................................................................................................... 17
• Attaching the Lens Cap LC-140 ................................................................................................... 17
• Precautions: Be Sure to Read the Following ............................................................................... 18
• Main Specifications ...................................................................................................................... 19
For customers in Europe
The “CE” mark indicates that this product complies with the European requirements for safety, health,
environment and customer protection. CE-mark products are for sale in Europe.
For customers in USA
FCC Notice
This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference received, including interference
that may cause undesired operation.
Any unauthorized changes or modifications to this equipment would void the user’s authority to operate.
For customers in CANADA
This Class B digital apparatus complies with Canadian ICES-003.

13
Checking the Package Contents
Lens body Lens Hood LH-120 Lens Case LSH-1738
Drop-In Filter Holder DFH-43/
Standard Clear Filter SCF-43
(Mounted on the lens body at the factory)
Filters (ND4-43, ND8-43) Drop-In Circular PL Filter DPF-43
Filter Case FSC-1 Lens Cap LC-140 Lens strap

14
Attaching the Lens Strap
Nomenclature
①Focus stop buttons (x4)
②Drop-in filter
③Mounting index
④Rear cap
⑤Strap attachment
⑥Focus limit switch
⑦Focus ring
⑧Filter mount thread
⑨Hood attaching section
⑩Electrical contacts
⑪Tripod mount
Attaching the Lens Case Strap
Pull the end of
the strap at least
5 cm away from
the buckle.
Pull the end of
the strap at least
5 cm away from
the buckle.

15
*
*
Attaching the Lens Hood LH-120
<When mounting>
<When storing>
Filters
The lens comes with the following filters.
①Standard clear filter SCF-43 .... Always mount this filter when not using any
of the other filters.
②ND4-43 .................................... Decreases the amount of light entering the
lens by 1/4.
③ND8-43 .................................... Decreases the amount of light entering the
lens by 1/8.
④Drop-in PL filter DPF-43
This filter eliminates surface reflected light.
The amount of reflected light eliminated can be adjusted with a rotary lever.
Fit the claws inside the lens hood securely
into the grooves in the hood mounting sec-
tion and then tighten the mounting screw.
After putting the hood on the lens as shown,
fit the claw inside the lens hood securely
into the grooves in the hood mounting sec-
tion and then tighten the mounting screw.
*Before mounting the lens hood on the lens or before storing them, loosen the mounting screw
until it stops.
Mounting screw
Mounting claws

16
①Attach the DPF-43 drop-in PL filter to the
lens body so that the ▲is pointing to the
front.
Mounting a Filter
1. ND4-43/ND8-43
①Remove the SCF-43 clear filter from the filter holder
and attach the ND4-43 or ND8-43 to the filter
holder.
•The DPF-43 drop-in PL filter should not be used
with the filter holder.
②Insert the filter holder in the lens’s mounting
section.
③Firmly push the filter holder in until it clicks.
•After mounting the filter holder, make sure that it
does not come off.
■Notes:
If the filter holder is improperly mounted, it may
come off. In this case, the unit’s dust and drip re-
sistance may be compromised.
④When detaching the filter holder, push and hold
the detach button and pull out the filter holder.
2. Drop-in PL filter DPF-43
FRONT
FRONT
②Rotate the rotary lever to adjust the level
of surface reflection elimination.
• Push the filter in until it clicks.

17
Focus Limit Switch
∞
- 6m 6 - 2.4m
∞
- 2.4m
This switch limits the autofocus range to speed up focusing in each
range.
Select the optimum mode according to the shooting distance.
Close-up shooting : Autofocus is performed between 6 meters and
2.4 meters.
Normal shooting : Autofocus is performed from ∞(infinity) to
2.4 meters.
Distant shooting : Autofocus is performed from ∞(infinity) to
6 meters.
Focus Stop Buttons
•By holding down one of the focus stop buttons, you can deactivate
autofocus operation and fix focus at the point where the button
was pressed.
•Four buttons are provided. All have the same effect.
Shooting Cautions
•Be sure to attach the hood when shooting against the light.
•When two or more filters are used or a thick filter is used, part of the picture may be cut off or
obscured.
Attaching the Lens Cap LC-140

18
Precautions: Be Sure to Read the Following
Lens cleaning tissue or
soft cloth
Lens cleaning tissue or
soft cloth
Submergence
Do not put the lens with
its contacts facing down.
Abrupt temperature
changes
Do not drop
Do not hold the cam-
era by the section of
the lens extruded by
the focusing operation.
Organic solvents Magnetism
Lens cleaning
Too much pressure
Moth repellents
Excessive moisture
Do not touch the lens. Do not touch the
contacts.
Do not view the sun
through the lens.
Cap the lens when it is
not used.
Do not leave the lens without the cap.
If solar light is converged through the
lens, a fire may result.
Do not point the camera lens at the sun. Sunlight
will converge in the lens and focus inside the cam-
era, possibly causing a malfunction or fire.

Working temperature
range
Handling Precautions
Storage Precautions
Warnings: Safety Precautions
If you experience any
problems, contact your
nearest Olympus service
center.

19
Main Specifications
Mount : Four Thirds mount
Focal distance : 300 mm
Max. aperture : f2.8
Image angle : 4.2°
Lens configuration : 13 elements in 11 groups
Multi-layer coating (partial single-layer coating)
Iris control : f2.8 to f22
Shooting range : 2.4 m to ∞(infinity)
Focus adjustment : AF/MF switching
Weight : 3290 g (excluding hood and cap)
Dimensions : Max. dia. ø127 x Overall length 285 mm
Lens hood mount : Covering
Filter mount thread diameter : 112 mm
•Design and specifications are subject to change without any notice or obligation on the part of
the manufacturer.
Lens configuration diagram

20
●Technical Support (USA)
24/7 online automated help: http://www.olympusamerica.com/E1
Phone customer : Tel.[phone] (Toll-free)
Our phone customer support is available from 8 am to
10 pm (Monday to Friday) ET
E-Mail : [email protected]
●European technical Customer Support
Please visit our homepage http://www.olympus-europa.com
or call NUMBER : Tel.[phone] (Toll-free)
[phone] or [phone] (Charged)