
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.
Features
• The ED150mm f2.0 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 300 mm lens for a 35 mm camera.
• F2.0 high-quality lens with 11 elements in 9 groups including one Super ED and one ED glass
elements (ED: Extra-low Dispersion).
• Can be used in combination with the optional EC-14 teleconverter. Set the aperture at composite
f-stop of f4 or more.
• Can be used in combination with the optional EX-25 extension tube under the following conditions:
Focus adjustment
MF
This lens cannot be used in combination with the Olympus Macro Flash System.
Working distance
79 cm – 126 cm
(2.6 ft – 4.1 ft)
( ): When converted to 35 mm film camera
Magnification
0.17X – 0.31X
(0.34X – 0.62X)
Contents
• Features ....................................................................................................................................... 10
• Nomenclature .............................................................................................................................. 11
• Lens Case (Provided) .................................................................................................................. 11
• Attaching the Hood ...................................................................................................................... 12
• Storing the Hood .......................................................................................................................... 12
• Attaching and Detaching the Tripod Mount .................................................................................. 12
• Focus Limit Switch ....................................................................................................................... 13
• Focus Stop Buttons ..................................................................................................................... 13
• Shooting Cautions ....................................................................................................................... 13
• Precautions: Be Sure to Read the Following ............................................................................... 14
• Main Specifications ...................................................................................................................... 15
10

Nomenclature
⑦
①
⑩
⑨
②
⑥
③
⑤
④
⑧
①Front cap
②Focus stop buttons (x4)
③Mounting index
④Rear cap
⑤Focus limit switch
⑥Focus ring
⑦Filter mount thread
⑧Electrical contacts
⑨Tripod mount
⑩Lens hood
Lens Case (Provided)
• Attaching the lens case strap.
Pull the end of the
strap at least 5 cm
away from the
buckle.
11

Attaching the Hood
Storing the Hood
Attaching and Detaching the Tripod Mount
12

Focus Limit Switch
-
1.4m
∞
-
∞
4m
4-1.4m
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 4 meters
(13.1ft) and 1.4 meters (4.6 ft).
Normal shooting : Autofocus is performed from ∞ (infinity) to
1.4 meters (4.6 ft).
Distant shooting : Autofocus is performed from ∞ (infinity) to
4 meters (13.1 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.
13

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.
Organic solvents
Do not leave the lens without the cap.
If solar light is converged through the
lens, a fire may result.
Abrupt temperature
changes
Submergence
Excessive moisture
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.
Magnetism
Too much pressure
Do not drop
Do not hold the camera by the section of
the lens extruded by
the focusing operation.
Storage Precautions
Cap the lens when it is
not used.
14
Lens cleaning tissue or
soft cloth
Lens cleaning
Moth repellents
If you experience any
problems, contact your
nearest Olympus service
center.

Main Specifications
Mount : Four Thirds mount
Focal distance : 150 mm
Max. aperture : f2.0
Image angle : 8.2°
Lens configuration : 11 elements in 9 groups
Multi-layer coating (partial single-layer coating)
Iris control : f2.0 to f22
Shooting range : 1.4 m (4.6 ft) to ∞ (infinity)
Focus adjustment : AF/MF switching
Weight : 1610 g (56.8 oz) (excluding hood and cap)
Dimensions : Max. dia. ø100 mm (3.9 in) x Overall length 150 mm (5.9 in)
Lens hood mount : Bayonet
Filter mount thread diameter : 82 mm (3.2 in)
• Design and specifications are subject to change without any notice or obligation on the part of
the manufacturer.
Lens configuration diagram
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●Technical Support (USA)
24/7 online automated help: http://www.olympusamerica.com/E1
Phone customer : Tel.1-800-260-1625 (Toll-free)
Our phone customer support is available from 8 am to
10 pm (Monday to Friday) ET
E-Mail : e-slrpro@olympusamerica.com
●European technical Customer Support
Please visit our homepage http://www.olympus-europa.com
or call NUMBER : Tel.00800-67 10 83 00 (Toll-free)
+49 1805-67 10 83 or +49 40-23 77 38 99 (Charged)
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