Olympus ED 90-25 User Manual

ED90-250mm f2.8

Instructions

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.

Features

• The ED90-250mm 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.

• Telephoto zoom lens equivalent to a 180–500 mm lens on a 35 mm film camera.

• High-image-quality, 12-group, 17-element F2.8 lens system that includes three ED elements (Ex­tra-low Dispersion glass lenses).

• Can be used in combination with the optional EC-14 teleconverter.

• Can be used in combination with the optional EX-25 extension tube under the following conditions:

Focal Distance

90 mm

150 mm

250 mm

This lens cannot be used in combination with the Olympus Macro Flash System.

Shooting Range

47.7 cm – 53.5 cm
(1.59 ft – 1.78 ft)

69.9 cm – 103.7 cm
(2.33 ft – 3.45 ft)

107.1 cm – 264.3 cm
(3.57 ft – 8.81 ft)

(Equivalent 35mm values are shown in parentheses)

Magnification

0.28x – 0.32x

(0.56x – 0.64x)

0.17x – 0.24x

(0.34x - 0.48x)

0.10x – 0.21x

(0.20x - 0.42x)

Contents

• Features ....................................................................................................................................... 12

• Checking the Package Contents .................................................................................................. 13

• Nomenclature .............................................................................................................................. 13

• Attaching the Lens Strap ............................................................................................................. 14

• Attaching the Lens Case Strap .................................................................................................... 14

• Using the Protection Filter ........................................................................................................... 14

• Attaching Lens Hood LH-120B .................................................................................................... 15

• How to Turn the Camera .............................................................................................................. 15

• Focus Limit Switch ....................................................................................................................... 16

• Focus Stop Buttons ..................................................................................................................... 16

• Shooting Cautions ....................................................................................................................... 16

• Attaching Lens Cap LC-140 ......................................................................................................... 16

• Precautions: Be Sure to Read the Following ............................................................................... 17

• Main Specifications ...................................................................................................................... 18

12

Checking the Package Contents

Lens body Lens Hood LH-120B Lens Case LSH-1738

Lens Cap LC-140 Lens Strap Protection filter

Nomenclature

⑨

⑧

①

⑦

②

⑫

⑥

③

⑤

④

①Focus stop buttons (x4)
②Zoom ring
③Mounting index
④Rear cap
⑤Focus limit switch
⑥Strap mount
⑦Focus ring
⑧Hood mount
⑨Filter mount thread
⑩Electrical contacts
⑪Tr ipod mount
⑫Lens hood

⑪

⑩

13

Attaching the Lens Strap

Attaching the Lens Case Strap

Using the Protection Filter

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.

14

•To protect the lens, attach the protection filter.

• Remove the protection filter before attaching another
filter.

Attaching Lens Hood LH-120B

<During use>

<During storage>

How to Turn the Camera

15

Focus Limit Switch

-

2.5m

∞

-

∞

8m

8-2.5m

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 8 meters

(26.6 ft) and 2.5 meters (8.3 ft).

Normal shooting : Autofocus is performed from ∞ (infinity) to

2.5 meters (8.3 ft).

Distant shooting : Autofocus is performed from ∞ (infinity) to

8 meters (26.6 ft).

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 Lens Cap LC-140

16

Precautions: Be Sure to Read the Following

Warnings: Safety Precautions

Do not view the sun
through the lens.

Handling Precautions

Working temperature
range

Do not touch the lens.

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

Abrupt temperature
changes

Submergence

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.

Do not put the lens with
its contacts facing down.

Do not touch the
contacts.

Too much pressure

Do not drop

Organic solvents

Storage Precautions

Cap the lens when it is
not used.

Excessive moisture

Moth repellents

Magnetism

Lens cleaning tissue or
soft cloth

Lens cleaning

17

Main Specifications

Mount : Four Thirds mount
Focal distance : 90-250 mm
Max. aperture : f2.8
Image angle : 14°-5.0°
Lens configuration : 17 elements in 12 groups

Multi-layer coating (partial single-layer coating)
Iris control : f2.8 to f22
Shooting range : 2.5 m (8.3 ft) to ∞ (infinity)
Focus adjustment : AF/MF switching
Weight : 3250 g (114.6 oz)
Dimensions : Max. dia. ø123 mm (4.8 in) x Overall length 276 mm (10.9 in)
Lens hood mount : Covering
Filter mount thread diameter : 105 mm (4.2 in)

• Design and specifications are subject to change without any notice or obligation on the part of
the manufacturer.

Lens configuration diagram

18

●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)

19

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