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Olympus Zuiko DIGITAL ED User Manual

Olympus Zuiko DIGITAL ED
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Instructions
ED90-250mm f2.8
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Olympus Zuiko DIGITAL ED Specifications

Lens Specifications IconLens Specifications
mountFour Thirds mount
focal distance90-250 mm
max aperturef2.8
image angle14°-5.0°
lens configuration17 elements in 12 groups
iris controlf2.8 to f22
shooting range2.5 m (8.3 ft) to ∞ (infinity)
focus adjustmentAF/MF switching
Weight and Dimensions IconWeight and Dimensions
weight3250 g (114.6 oz)
dimensionsMax. dia. ø123 mm (4.8 in) x Overall length 276 mm (10.9 in)
filter mount thread diameter105 mm (4.2 in)

Summary

Olympus Lens Features

Lens Package Contents

Lists items included in the lens package, such as lens body, hood, case, caps, and protection filter.

Lens Nomenclature Diagram

Identifies and labels external parts of the lens with numbered indicators for user reference.

Attaching Lens Accessories

Attaching the Lens Strap

Instructions on how to securely attach the lens strap to the camera or lens body.

Attaching the Lens Case Strap

Guidance on connecting the strap to the lens case for carrying.

Using the Protection Filter

Details on how to attach a protection filter to the lens for safety and maintenance.

Attaching Lens Hood LH-120B

Step-by-step instructions for mounting the lens hood for optimal shooting.

Lens Operation and Controls

Focus Limit Switch Function

Explains how the focus limit switch adjusts autofocus range for faster focusing.

Focus Stop Buttons Usage

Details how to use focus stop buttons to freeze focus at a specific point.

Shooting Cautions

Provides advice on hood usage against light and filter effects on image quality.

Attaching Lens Cap LC-140

Instructions for fitting the front lens cap for protection when not in use.

Important Safety Precautions

General Safety Warnings

Warns against looking at the sun through the lens, solar convergence, and lens handling.

Handling and Storage Precautions

Advises on temperature, moisture, solvents, magnetism, and lens cleaning practices.

Main Lens Specifications

Technical Specifications Table

Lists key technical data including mount, focal distance, aperture, configuration, and dimensions.

Technical Support Information

Provides contact details for technical support via phone, email, and website.

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