M.Zuiko Digital ED 300mm f/4 IS PRO · OM System

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Micro Four Thirds Super Telephoto mft 2016

Image Stabilization

Weather Sealed

Autofocus

Full-time Manual Focus

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Useful links

Official Website

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300mm

Focal length

f/4

Max aperture

1270 g

Weight

14mm35mm85mm200mm600mm

▲ 300mm

Max aperture

f/2

f/4

f/8

Constant Aperture

Aperturef/4

f/4f/22

Near focus64' 10"

Far focus66' 5"

Total DOF1' 8"

Hyperfocal5117' 10"

Subject distance65' 7"

Focal length300 mm

Aperturef/4

SensorMicro 4/3

Illustrative scene preview based on this lens's focal length, aperture, and sensor coverage.

This preview uses 300mm, f/4, and Micro 4/3. Subject distance is estimated to keep lens previews comparable.

Min aperture: f/22
Diaphragm blades: 9

Optics

Optical construction: 17 elements in 10 groups
Special elements: 3 Super ED elements, 1 E-HR element and 3 HR elements
Coatings: Z Coating Nano

Focusing

Minimum focus: 1.4 m
Max magnification: 0.24×
AF motor: MSC stepping motor

Physical

Weight: 1270 g
Dimensions: ⌀93mm × 227mm
Filter thread: 77 mm
Hood included: built-in sliding hood
Color: Black

Handling & Controls

Tripod Collar: Yes
Focus Limiter: Yes
Distance Scale: Yes
Custom Buttons: 1

Recommended Use

Ideal for: Landscapes, Sports, Wildlife

Release year: 2016
Announced: Jan 6, 2016
Approx price: $3299 USD
Optical correction & RAW development: NDPix Photo Editor

The best

A 600mm-equivalent Micro Four Thirds super-telephoto with a constant f/4 aperture.

Also

Weather sealing, optical stabilization and internal focusing for wildlife and sports.

Summary

OM System designed the M.Zuiko Digital ED 300mm f/4 IS PRO as a professional Micro Four Thirds super-telephoto prime with a 600mm full-frame equivalent angle of view. The constant f/4 aperture, optical stabilization and weather-resistant barrel make it a serious field lens for wildlife, birds, outdoor sports and distant landscape details. Rather than covering many focal lengths, it concentrates on reach, stability and a fast handling rhythm for photographers who know they need long telephoto compression.

The optical construction uses 17 elements in 10 groups, including Super ED, E-HR and HR glass, supported by Z Coating Nano to preserve contrast and suppress flare in demanding light. A minimum focus distance of 1.4 m and 0.24x maximum magnification give the lens more close-range usefulness than a 300mm specification might suggest, from small wildlife to flowers, textures and compressed environmental details. The 77mm filter thread, rotating tripod collar and built-in sliding hood add practical support for long sessions outdoors.

At 1270 g without the tripod adapter, it is substantial for the Micro Four Thirds system, yet still compact when judged as a hand-holdable 600mm-equivalent field tool. Internal focusing, a manual-focus clutch, focus limiter and L-Fn button help keep operation direct when subjects move unpredictably. It is best suited to photographers who value a fixed long focal length, robust sealing and effective stabilization more than zoom convenience, especially in travel-light wildlife and sports kits.