Olympus ED 300 User Manual

ED300mm f2.8

Instructions

For customers 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.

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.

Checking the Package 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).

Contents

• 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

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)

Filter Case FSC-1 Lens Cap LC-140 Lens strap

Filters (ND4-43, ND8-43) Drop-In Circular PL Filter DPF-43

1312

*

*

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 Hood LH-120

* Before mounting the lens hood on the lens or before storing them, loosen the mounting screw

until it stops.

<When mounting>

<When storing>

Mounting screw

Mounting claws

Fit the claws inside the lens hood securely
into the grooves in the hood mounting sec­tion 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 sec­tion and then tighten the mounting screw.

Attaching the Lens Strap

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.

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.

1514

Mounting a Filter

∞

-

6m

6-2.4m

∞

-

2.4m

FRONT

FRONT

1. ND4-43/ND8-43

① Remove 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.

② Insert the filter holder in the lens’s mounting

section.

Focus Limit Switch

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

2. Drop-in PL filter DPF-43

① Attach the DPF-43 drop-in PL filter to the

lens body so that the ▲ is pointing to the
front.

③ Firmly 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 re­sistance may be compromised.

④ When detaching the filter holder, push and hold

the detach button and pull out the filter holder.

② Rotate the rotary lever to adjust the level

of surface reflection elimination.

• 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

• Push the filter in until it clicks.

1716

Precautions: Be Sure to Read the Following

Lens cleaning tissue or
soft cloth

Lens cleaning tissue or
soft cloth



Warnings: Safety Precautions

Do not view the sun
through the lens.

Handling Precautions

Working temperature
range

Do not leave the lens without the cap.
If solar light is converged through the
lens, a fire may result.

Abrupt temperature
changes

Do not put the lens with
its contacts facing down.

Do not point the camera lens at the sun. Sunlight
will converge in the lens and focus inside the cam­era, possibly causing a malfunction or fire.

Too much pressure

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

Do not touch the lens.

Organic solvents

Storage Precautions

Cap the lens when it is
not used.

Submergence

Excessive moisture

Lens cleaning

Do not touch the
contacts.

Magnetism

Moth repellents

Do not drop

Do not hold the cam­era by the section of
the lens extruded by
the focusing operation.

If you experience any
problems, contact your
nearest Olympus service
center.

1918

●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 : [e-mail]

●European technical Customer Support

Please visit our homepage http://www.olympus-europa.com
or call NUMBER : Tel.[phone] (Toll-free)
[phone] or [phone] (Charged)

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