Rokinon 50mm f/1.4 AS IF UMC Lens for Sony E-Mount

Model #50M-E

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Weight 19.6 oz (556 g)
Dimensions (DxL) Approx. 3.2 x 4.0" (8.13 x 10.16 cm)
Filter Thread Front:77 mm


Format Compatibility 35mm Film / Full-Frame Digital Sensor
Sony NEX (APS-C)
Angle of View 46.2°
APS-C Picture Angle: 30.8°
Minimum Focus Distance 17.7" (44.96 cm)
Elements/Groups 9/6
Focal Length 50mm
Comparable 35mm Equivalent on APS-C Format Focal Length: 75 mm
Diaphragm Blades 8
Aperture Maximum: f/1.4
Minimum: f/22
Camera Mount Type Sony E (Full-Frame)


Tripod Collar No
Autofocus No
Image Stabilization No
Expert Reviews
19 November 2014

This manual focus standard lens, offers a fast f/1.4 maximum aperture for a price of around £379, which is a little surprising, as Samyang lenses are traditionally pitched in at the budget end of the market.

Lenstip com.34355424
3 December 2014

Although the comparison between the number of pros and cons of the tested lens seems to be hardly favourable you still cannot call it a botched device, quite the opposite. Even though it costs only a bit more than brand name models with autofocus, in many categories it fared better than them.

  • +

    very good image quality in the frame centre,, sensibly corrected chromatic aberration,, slight coma in the corners of the APS-C/DX,, low astigmatism.

  • -

    image quality near the maximum relative aperture could have been better,, too high distortion,, unacceptable performance against bright light,, noticeable vignetting.

16 October 2014

There is no doubting that this is a good lens, capable of producing images with outstanding sharpness. However, for a basic lens, that offers no electronic coupling with the camera, to be more expensive than the equivalents on offer from the manufacturer doesn't make a lot of sense.

  • +

    Decent sharpness, especially when stopped down, Smooth manual focus action, Good build, Low CA

  • -

    Performance from this lens is on a par with manufacturers own lenses, but nothing special, Pronounced falloff at f/1.4, Seems like poor value for money at current price, Lower contrast than other modern lenses

User Reviews
B h photo.32817553
20 November 2016

This lens is all around extremely good for the price. The build quality is quite good and the build feels very nice, not cheap like some of the lower end Sony lenses. Even though the lens is manual focus, it is extremely easy to use on the a7.

10 June 2017

5/5 Focus is manual, but your camera might have focus confirmation, focus peaking or quick zoom, which will help get the shots in focus. You may adjust aperture manually on the lens but it can be set on the camera too (manually or automatically).

26 May 2017

Pin sharp optics, 1st Samyang purchase......will not be my last......ok it's manual but on my d500 it's truly superb

9 October 2016

As usual, top optical quality from Samyang. I own the 12mm, 35mm, 50mm & 85mm and can say that I like them much better than my Canon 135mm f2 or 16-35 f4. None of the Samyang lenses have autofocus, and to me this is an advantage as it makes me a better photographer.

B h photo.32817553
20 July 2016

This is my first lens, bought for the Sony A7S ii, and I'm pleased with it. It's cheapo, has a shallow depth of field, can open the aperture up wide for low-light shots, and isn't too zoomed in or out, hence its usability in diverse settings.

18 April 2016

A truly awesome lens. Sharp image, no aberrations, no vignetting! Amazing and at a relatively low price!

12 November 2014

Well wll well what a lens for the money using it on my sony A7rii with metabones convertor all I can say is faultless.. also noted that other places are selling this for nearly £300 and I paid just £166 bargain!!!!

12 November 2014

great lens Great Price use it on an A7RII with Metabones V4 very sharp and heavy quality

Product Highlights
  • Sony E-Mount/Full-Frame Format
  • Aperture Range: f/1.4 to 22
  • One Hybrid and One Aspherical Element
  • Ultra Multi-Coating Lens Coat
  • Manual Focus & Aperture Lens
  • Internal Focus Design
  • Bright Distance & Depth of Field Scales
  • Minimum Focus Distance: 17.7"
  • Filter Thread Diameter: 77mm
  • Removable Petal Style Lens Hood
Average Expert Score
Average User Score
In The Box
  • Rokinon 50mm f/1.4 AS IF UMC Lens for Sony E-Mount
  • Removable Petal Shape Lens Hood
  • Front Lens Cap
  • Rear Lens Cap
  • Limited 1-Year Warranty
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