Samyang 16mm f/2.0 ED AS UMC CS Lens for Micro Four Thirds Mount Cameras

Model #SY16M-M43

USA Version
Samyang sy16m m43 1
Samyang sy16m m43 1
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Weight 1.34 lb (610 g)
Dimensions (DxL) Approx. 3.39 x 4.50" (86 x 114.2 mm)
Filter Thread Front:77 mm


Format Compatibility Micro Four Thirds
Angle of View 67.6°
Tilt/Shift None
Minimum Focus Distance 7.87" (20 cm)
Elements/Groups 13/11
Focal Length 16mm
Comparable 35mm Focal Length: 32 mm
Diaphragm Blades Not Specified By Manufacturer
Aperture Maximum: f/2
Minimum: f/22
Camera Mount Type Micro Four Thirds


Tripod Collar No
Autofocus No
Image Stabilization No


Operating/Storage Temperature Not Specified By Manufacturer
Expert Reviews
Pc magazine.32817846
22 December 2015

The affordable Samyang 16mm F2.0 ED AS UMC CS is a sharp, fast wide-angle lens for APS-C SLRs and mirrorless cameras.

  • +

    Nice price. Quite sharp. Focuses to 7.9 inches. Available for multiple systems.

  • -

    Doesn't cover a full-frame image sensor. Manual focus isn't for everyone. Omits optical stabilization. Some fall-off at corners.

Pentaxforums com.33034396
20 May 2015

Over the length of this lens review, we’ve delved into the intricacies of optical performance and the handling nuances of the Samyang 16mm F2.0 ED AS UMC CS wide-angle prime lens. This lens is exceptional by most measures, and deserves a nod from the Pentax community.

  • +

    Fast F2.0 aperture, Pleasant bokeh, Exceedingly sharp across the frame, Minimal barrel distortion, Great contrast, Ghosting and flare resistance, Great starbursts in daylight, Aperture ring control and automatic aperture control (supports M, A/Av, S/Tv, and P), Affordable at $479 or less

  • -

    Difficult to fine focus in viewfinder due to wide-angle and large depth of field, Prominent vignetting up to F2.8, Sub-optimal flare control in harsh light, No in-camera lens correction profile, Swirl bokeh when used wide open, 1 year U.S. warranty

7 August 2013

Handling and features This manual focus wide angle lens for APS-C format cameras, offers a fast f/2 maximum aperture for a budget launch price of around £419.

User Reviews
B h photo.32817553
7 September 2014

Shoots very clean and sharp images from corner to corner. A very good buy for the money. Initially, I was not sure about this lens upon recieving it. I couln't seem to get accurate focus regardless of proper manual focus technique. Turns out, my photo review software in the computer was the problem.

  • +

    Buttery smooth focus ring, Consistent Output, Durable, Rugged, Strong Construction

  • -


10 May 2014

I recently transitioned from a full frame Canon 5D Mark III to a Micro Four Thirds Panasonic GH4. I wanted a lens that was affordable and equivalent to 35mm on full frame. This lens delivers. I haven't had a chance to test it in a practical settings yet (i.e.

Product Highlights
  • Micro Four Thirds Mount Lens
  • For MFT Format Mirrorless Cameras
  • Aperture Range: f/2.0-22
  • 32mm Equivalency in 35mm Format
  • Two Aspherical Lens Elements
  • One Extra-low Dispersion Element
  • UMC Lens Coating
  • Manual Focus
Average Expert Score
Average User Score
In The Box
  • Samyang 16mm f/2.0 ED AS UMC CS Lens for Micro Four Thirds Mount
  • Front Lens Cap
  • Rear Lens Cap
  • Lens Hood
  • Pouch
  • Limited 1-year Warranty
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