Samyang 24mm f/1.4 ED AS UMC Wide-Angle Lens for Sony Alpha

Model #SY24M-S

Samyang Warranty - USA Version
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Weight Not Specified By Manufacturer
Dimensions (DxL) Approx. 3.27 x 3.74" (83 x 95 mm)
Filter Thread Front:77 mm


Format Compatibility 35mm Film / Full-Frame Digital Sensor
DSLR (APS-C Sensor)
Angle of View 84.1°
APS-C Picture Angle: 61.8°
Minimum Focus Distance 9.84" (24.99 cm)
Elements/Groups 13/12 1 Please Note:2 Aspheric Lensesclose
Focal Length 24mm
Diaphragm Blades 8
Aperture Maximum: f/1.4
Minimum: f/22
Camera Mount Type Sony Alpha, Minolta AF


Tripod Collar No
Autofocus No
Image Stabilization No
Expert Reviews
The digital picture.34755376
13 January 2013

While I would like to complete a full Samyang 24mm f/1.4 US UMC Lens review in the future, please use the standard lens test results for now.

13 January 2013

Handling and features This lens is available to fit many different types of cameras, including Canon, Nikon, Pentax, Sony and Four Thirds SLRs as well as Samsung NX mirrorless cameras.

Techradar uk.32817471
3 November 2014

Apart from a lack of sharpness at very wide apertures, image quality is very convincing from this Samyang, making it very good value.

Amateur photographer.32822919
27 October 2012

Samyang has long been a minor player in the UK lens market, but with supply improving, new releases extending the company’s range and each model available in most of the popular lens mounts, Samyang may just find itself emerging from the shadows.

Photozone de.34752480
29 August 2012

It may be a bit embarrassing for the original manufacturers but the Samyang 24mm f/1.4 ED AS UMC manages to produce a quality similar to its roughly double priced counterparts. Admittedly, the 24mm f/1.4 suffers from slightly lower contrast at large apertures but the resolution is already pretty...

4 July 2012

For the price, this Samyang 24mm f/1.4 offers a decent, budget introduction to fast aperture lenses. Although the sharpness delivered at f/1.4 may not be up to that delivered my manufacturer’s own lenses, it may still be usable for some applications, and it certainly costs a lot less too.

  • +

    Very good value for the price, Excellent sharpness when stopped down, Good build, Good sharpness in the centre stopped down to f/2 or beyond

  • -

    A little soft at f/1.4, Pronounced falloff at f/1.4

Lenstip com.34355424
10 February 2012

Our summary can be a simple parable about climbing to the top, which was too quick, and a very painful downfall. After several very successful launches Samyang assumed too hastily that they belong to the elite and they can offer a lens with professional parameters in every category for a price not...

  • +

    very good image quality on stopping down the lens by 1.5 EV,, chromatic aberration well-controlled,, decent work against bright light,, well-corrected coma on APS-C/DX and smaller detectors.

  • -

    real aperture of the lens is much closer to f/1.8 than to f/1.4 or/and wrong conctruction of the diaphragm,, distortion level higher than in the case of its competitors,, slackened manual focus ring,, very high vignetting on full frame,, no contacts in the Canon mount version,, weak image quality by...

User Reviews
3 September 2016

I had read that quite a few astrophotographers had noticed that the images had a defect at one side. I had taken daylight photographs and had not noticed anything odd but the first photo of stars showed clear distortion to the right side of the image.

15 August 2016

Bought specially for astrophotography this lens is superb. Some glorious milky way shots from Devon. Using it on EOS 5D Mk III

Lenstip com.34355424
19 February 2016

I own many SamYangs; and I like this one very much; good for walkaround

  • +

    sharp, contrasty

  • -

    can catch some flair; not very sharp at 1.4 - 2.0

3 January 2016

Don`t remember so nothing unfavourable.

25 December 2015

The box contained dust and a piece of old sticky tape, the lens had wear marks on the bayonet fitting.

Lenstip com.34355424
16 November 2015

Overall a quite good wide angle lens for photographers who have time for image setup, focussing,...

  • +

    well suited for astrophotography

  • -

    Large housing, could be more compact no chip/auto focus

16 November 2015

I have just done a few tests, no real night shots, which is why I bought it. Using Focal software, in theory the quality is poor under f2.2 In practice, it compared favorably (at f2.8) with a much more expensive 25mm lens.

22 August 2015

Really impressed with this Lens, wanted a manual focus, fast lens for Timelapse/Aurora and Astrophotography as well a Landscape Lens,I tried it out locally on a Canon 40D and got great results of Milkyway .Can't wait to try it on a Full Frame 6D.

13 August 2014

Firstly to provide some context to this review, I reviewed this lens alongside the Samyang 35mm lens using a Canon 5D which has a full-frame sensor (and therefore no CCD cropping). As a child when I first got to play with cameras, I had a 50mm and 35mm lens.

20 July 2014

First impressions are that this is a well made, good quality lens; although quite large at around 102mm long and not light at 680g. In use the initial impressions are confirmed, it is capable of taking good quality, sharp pictures.

Product Highlights
  • 24mm Wide-Angle Lens
  • Aperture Range: f/1.4-22
  • For APS-C & Full-Frame Image Formats
  • Minimum Focusing Distance of 9.84"
  • Hybrid Aspherical Lenses
  • Manual Focus
  • Operates in P/A/S/M Exposure Modes
  • Multi-Layer Coating to Reduce Flare
  • For Sony Alpha Cameras
Average Expert Score
Average User Score
In The Box
  • Samyang 24mm f/1.4 ED AS UMC Wide-Angle Lens for Sony Alpha
  • Lens Pouch
  • Front and Rear Lens Caps
  • Removable Petal Lens Hood
  • Instruction Manual
  • Limited 1-Year Warranty
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