Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO

Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO

Lens Summary

Brand: Olympus

Also Known As: Olympus 12-40mm f/2.8

Lens Type: Zoom Lens

Format: Four Thirds

Focus: Autofocus

Lens Mount: Micro Four Thirds

Release Date: 2013-09-10

MSRP Price: $999

Made in: Japan

Production Status: In Production

Lens Description: This large-aperture 3.3X Zoom lens is the first in the newly created “M.ZUIKO PRO” category. Covering a 35mm equivalent focal length of 24-80mm, this lens features all metallic construction and makes extensive use of high grade optical components including Dual Aspherical, High Refractive and ED lens elements configured in 9 groups to assure the highest level of reproduction. A fast maximum aperture of f/2.8 throughout the zoom range, a manual focus clutch as well as Splash-proof, Dust-proof and Freeze-proof construction make it suitable for the most demanding professionals and enthusiasts. An “MSC” (movie and still compatible) AF lens drive system ensures fast and quiet auto-focusing – especially important when shooting HD movies. A seven blade circular aperture produces pleasing background defocusing effects.

Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO Specifications

Lens Specifications
Lens TypeZoom Lens
Focal Length12-40mm
Mount TypeMicro Four Thirds
FormatFour Thirds
Compatible Format(s)Micro Four Thirds
Compatible with TeleconvertersNo
Zoom Ratio3.33x
Maximum Reproduction Ratio0.3x
Image StabilizationNo
Aperture Information
Aperture RingNo
Maximim Aperturef/2.8
Minimum Aperturef/22
Maximum Angle of View (APS-C or smaller format)84°
Minimum Angle of View (APS-C or smaller format)30°
Optical Information
Lens Elements14
Lens Groups9
Diaphragm Blades7
Extra-Low Dispersion Glass Elements2 ED glass elements, 2 HR glass elements, 1 EDA glass element, 1 HD glass element
Aspherical Elements1 aspherical element, 1 dual-sided aspherical element,
Focus Information
Built-in Focus MotorYes
Internal FocusingYes
Minimum Focus Distance0.20m
Distance InformationYes
Filter Information
Filter Size62mm
Accepts Filter TypeScrew-on
Physical Characteristics
Weather / Dust SealingYes
Mount MaterialMetal
Dimensions69.9 x 84mm
Other Information
Available in ColorsBlack

Lens Construction and MTF Chart

Olympus M.Zuiko Digital ED 12-40mm f/2.8 PRO MTF and Lens Construction


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Sue Eisert

Has anyone used this lens for infrared? If yes how was it?