Olympus 12-50mm f/3.5-6.3 ED M.Zuiko EZ Micro 4/3 Lens (Black)

Model #V314040BU000

Olympus Warranty - USA Version
Olympus v314040bu000 1
Olympus v314040bu000 1
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Weight 7.44 oz (211 g)
Dimensions (DxL) Approx. 2.04 x 3.26" (5.18 x 8.28 cm)
Filter Thread Front:52 mm


Format Compatibility Micro Four Thirds
Angle of View 84° - 24°
Minimum Focus Distance 7.87" (19.99 cm)
Magnification 0.36 - 0.72x
Focal Length 12 - 50mm
Comparable Four Thirds and Micro 4/3 Focal Length: 24 - 100 mm
Diaphragm Blades 5
Elements/Groups 10/9
Aperture Maximum: f/3.5 - 6.3
Minimum: f/22 - 22
Camera Mount Type Micro Four Thirds


Tripod Collar No
Autofocus Yes
Expert Reviews
26 March 2012

This 4.2x zoom lens from Olympus is compatible with Micro Four Thirds system cameras and provides an angle of view equivalent to a 24-100mm lens on a 35mm camera. Unusually for a lens covering this range the maximum aperture is rather slow at the telephoto end at only f/6.3.

Imaging resource.34355410
2 August 2011

As the kit lens for the OM-D E-M5, you couldn't really ask for more; the lens offers excellent results for sharpness, corner shading and distortion. The only sore point for the lens is the extraordinary chromatic aberration noted at the 12mm mark, but happily, it's really only noted in the extreme...

Photozone de.34752480
9 August 2012

Unfortunately we didn't really fall in love with the Olympus M.Zuiko 12-50mm f/3.5-6.3 ED EZ. The zoom range is surely very attractive but performance-wise it has its issues. In the resolution chapter, the lens performs just Okay with slightly soft corners at 12mm and a generally reduced quality at...

22 May 2012

A versatile general-purpose lens for Micro Four Thirds cameras, which features motorised zoom control for smooth movie shooting.

Lenstip com.34355424
16 March 2012

I like writing the summaries of Olympus optics because usually I can praise the tested lenses. Olympus has always produced good lenses. Unfortunately the summary of the Olympus M.Zuiko Digital 12–50 mm f/3.5–6.3 ED EZ will be an exception because it won’t feature a lot of praise.

  • +

    quite solid and sealed casing,, useful focal length range,, good image quality in the frame centre,, sensibly corrected chromatic aberration,, slight coma,, low astigmatism,, negligible vignetting at longer focal lengths,, fast and efficient autofocus.

  • -

    average image quality on the edge of the frame,, very high distortion on the wide angle,, significant vignetting at the shortest focal length,, weak work against bright light.

6 March 2012

The novel design and unique macro feature of this lens making this optic a very interesting prospect. Although sharpness levels are good, there are not up to the heights attained by other lenses in the Micro Four Thirds line-up.

  • +

    Novel design, Excellent macro feature, Good splash-proof build, Zoom switchable between powered and direct modes, Lightweight

  • -

    Slow f/6.3 maximum aperture at 50mm, Lower sharpness than many other Micro Four Thirds lenses, especially at 50mm, Prone to flare at 12mm and no hood is supplied as standard

User Reviews
B h photo.32817553
4 April 2016

PROS- The only 'cheap' weatherproof MFT lens as of 2015.- Nice focal length coverage with 24 mm equivalent at the wide end.- E-zoom mode is handy for video shooters.- Not bad sharpness wide open.- Generally fine image quality.- Has its own L-Fn button.

Imaging resource.34355410
19 March 2017

This is a great little lens for the money. Readily available for under $300, I got mine as a kit lens with my first OM-D E-M5 and was expecting it to be crap after the reviews that I read. I think it is superior to the standard 14-42mm kit zoom in every way.

  • +

    Great value, very versatile, good macro for a zoom.

  • -

    Slow at the long end.

4 August 2017

so far so good and the build quality is excellent. For the most part, I have not had to send in lenses for repair as I'm very careful with them, so getting an international lens this time was a good choice

Olympus america.32833372
14 July 2015

Yes a bit slow, yes a bit big, but true its a good go to lens for the beginner. Unitl I started purchaing primes this was my lens of choice.(didnt know better at the time) At the time of purchase I was really into the weatherproofing thing, it seemed I really didnt need that feature.

2 weeks ago

Great lens for the camera, use every day, thanks.

4 August 2017

Olympus M.ZUIKO DIGITAL ED 12-50mm F3.5-6.3 EZ, for me it was an excellent purchase, first for the price $ 164.00 New, then for the quality. I'm using this lens on the Panasonic GH4 and all functions are perfect.

1 August 2017

Great street photography lens for a kit lens. Easy to focus in manual mode and quickly focuses in auto mode as well, it is light weight and easy to use. I haven't used the macro so I can't comment on it. I am looking forward to getting out there and using it more.

26 June 2017

A bit soft around the edges compared to a prime lens but a good all purpose lens.

22 June 2017

Lens is very good and working as I was expected

9 June 2017

I was hesitant to buy this lens because of the mediocre reviews that I saw on other websites. That being said, I really like this lens. It is just important to understand why people do NOT like this lens.

Product Highlights
  • Micro Four Thirds Lens
  • MSC (Movie & Still Compatible) Mechanism
  • High Imaging Performance
  • Equivalent to 24-100mm in 35mm Format
  • Lightweight (7.44 oz/211g)
Average Expert Score
Average User Score
In The Box
  • Olympus M.ZUIKO ED 12-50mm f/3.5-6.3 EZ Micro 4/3 Lens (Black)
  • Front and Rear Lens Caps
  • Instruction Manual
  • Olympus Worldwide Warranty Card
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