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Olympus M.Zuiko Digital ED 8-25mm F4 Pro Review

Olympus M.Zuiko Digital ED 8-25mm F4 Pro

Main Features

  • 8-25mm Focal Range
  • F4 Max Aperture
  • Weather Sealed
  • Filter Thread: 72mm
  • Max Format: FourThirds
  • Micro Four Thirds Mount
  • Weight: 411g.
  • Diameter: 77mm
  • Length: 89mm
  • Min Focus Distance:0.23m
  • Max Magnification:0.14x
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Olympus ED 8-25mm F4 Pro Overview

Olympus ED 8-25mm F4 Pro is an Auto Focus (AF) Ultra-Wideangle Zoom lens with FourThirds max sensor coverage and it is designed to be used with Micro Four Thirds mount cameras.

Lens Mount

Olympus ED 8-25mm F4 Pro is compatible with cameras that have Micro Four Thirds lens mount. Some of the latest released cameras that are compatible with the Micro Four Thirds lenses are Panasonic GH6, OM System OM-1 and Panasonic GH5 II.

Focal Range

Olympus ED 8-25mm F4 Pro has a focal range of 8-25mm and 3.1X zoom ratio which has a 35mm equivalent focal range of 16-50mm when used on a FourThirds format camera.


Weather Sealings

Olympus ED 8-25mm F4 Pro is a weather sealed lens which provides an extra protection to prevent water and dust get inside the lens and camera body under light rain, snow and wind. In order to have an effective protection, you have to pair the Olympus ED 8-25mm F4 Pro with a weather sealed camera body such as Panasonic GH6, OM System OM-1 and Panasonic GH5 II.

Optical Image Stabilization

Olympus ED 8-25mm F4 Pro doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).

Zoom Method

Olympus ED 8-25mm F4 Pro features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.

Maximum Magnification Ratio

Olympus ED 8-25mm F4 Pro has a Max Magnification Ratio of 0.14x and has a minimum focusing distance of 0.23m. 0.14x means that the max magnification ratio is very low and not suitable even for modest close-up shots.

Aperture

Olympus ED 8-25mm F4 Pro is a fixed aperture lens with a constant max aperture of f4 from 8mm all the way to the 25mm .

Optical Formula

Olympus ED 8-25mm F4 Pro's optical formula consists of 16 elements in 10 groups . Following special elements are used in this design:

  • 1 DSA
  • 1 Super ED
  • 1 ED
  • 1 HR
  • 2 aspherical ED elements
  • ZERO coating

Lens Hood

Olympus ED 8-25mm F4 Pro comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.

Body Colour

Olympus ED 8-25mm F4 Pro is available in Black color.

Popular Comparisons of Olympus ED 8-25mm F4 Pro

Here is the eight most popular comparisons of Olympus ED 8-25mm F4 Pro amongst Camera Decision readers.

Top Alternatives of Olympus ED 8-25mm F4 Pro Lens
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Panasonic Leica DG Vario-Summilux 10-25mm F1.7 ASPH Lens Panasonic Leica DG Vario-Summilux 10-25mm F1.7 ASPH
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FourThirds 382gr AF Amazon B&H Photo
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Pros and Cons of Olympus M.Zuiko Digital ED 8-25mm F4 Pro


PROs
Weather Sealed
Built-in Autofocus
Hood supplied
Full-time Manual Focusing
Fast and Bright at Tele end
Constant f4 Aperture throughout the range

CONs
Lens Extents while focusing
Slow Aperture at Wide end
Olympus M.Zuiko Digital ED 8-25mm F4 Pro Alternatives in Micro Four Thirds Mount
Model Coverage Weight Focusing Street Price
Panasonic Leica DG Vario-Summilux 10-25mm F1.7 ASPH Lens Panasonic Leica DG Vario-Summilux 10-25mm F1.7 ASPH
Compare
FourThirds 690gr AF Amazon B&H Photo

Olympus ED 8-25mm F4 Pro Detailed Specifications


General
Brand Olympus
Lens Type Zoom
Lens Type Wideangle Zoom
Lens Mount Micro Four Thirds
Max Format FourThirds
Focal Range 8-25mm
Image Stabilization No
Colour Black
Zoom Method Rotary (extending)
Power Zoom No
Zoom Lock No Zoom
Zoom Ratio 3.1X
APERTURE
Max Aperture F4
Min Aperture F22
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 16
Optical Groups 10
Special Elements 1 DSA + 1 Super ED + 1 ED + 1 HR + 2 aspherical ED elements, ZERO coating

FOCUSING
Min Focus Distance 0.23m
Max Magnification 0.14X
Autofocus Yes
AF Motor Type Linear Motor
Full Time Manual Yes
Focus Method Internal
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 411g
Diameter 77mm
Length 89mm
Materials Magnesium alloy
Weather Sealing Yes
Filter Thread 72mm
Filter Notes -
Hood Supplied Yes
Tripod Collar No
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Frequently Asked Questions about Olympus M.Zuiko Digital ED 8-25mm F4 Pro
is the Olympus M.Zuiko Digital ED 8-25mm F4 Pro a Weather Sealed lens?
What is the Minimum Focusing Distance of Olympus M.Zuiko Digital ED 8-25mm F4 Pro
is the Olympus M.Zuiko Digital ED 8-25mm F4 Pro an Autofocus (AF) lens?
What is the Filter Thread Size of Olympus M.Zuiko Digital ED 8-25mm F4 Pro
Does Olympus M.Zuiko Digital ED 8-25mm F4 Pro have Image Stabilization?
Does Olympus M.Zuiko Digital ED 8-25mm F4 Pro have Aperture Ring?
What is the Maximum Magnification Ratio of Olympus M.Zuiko Digital ED 8-25mm F4 Pro
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