Samyang AF 12mm f/2
Samyang · 12 mm · f/2
Score Breakdown
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What We Like
+Excellent compact design and lightweight (213g) makes it ideal for travel and mirrorless camera systems
+Fast f/2.0 aperture provides excellent low-light performance and shallow depth of field for creative compositions
+Very affordable price ($449) for a fast, wide ultra-wide angle prime with autofocus
+Quick, quiet, and accurate Linear STM autofocus with reliable tracking performance
+Well-controlled barrel distortion with minimal native optical aberrations
+Weather-sealed design with included hood and solid build quality
Worth Knowing
−Noticeable color fringing (chromatic aberration) visible toward edges and corners of the frame
−Some coma and edge distortion when shooting wide open at f/2 for astrophotography
−Slightly softer edge definition and field curvature means off-center subjects may require refocusing
−Lacks advanced features like focus hold button or infinity distance indicator found on premium lenses
General | |
|---|---|
About This LensThe Samyang AF 12mm f/2 RF-S Ultra-Wide Angle Prime Lens brings Samyang's ultra-wide prime to Canon RF-S mount. Weighing just 213 grams and measuring 57.2 millimeters long with a 62mm filter thread, the lens features weather-sealing at four points. Available for $449, the lens strikes a good balance between speed and size for an ultra-wide-angle prime and hits the spot for landscape, cityscapes, architectural interiors and even astrophotography, though reviewers note color fringing is quite noticeable towards the edges and corners of the image frame. | |
| Brand | Samyang |
| Release Year | 2024 |
Production Status ⓘCurrent status of lens manufacturing (e.g., in production, discontinued). |  In Production |
Lens Mount ⓘThe lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras. | Canon RF-S |
System ⓘIndicates which camera system the lens is designed to attach to. | Canon EOS R (APS-C) |
Maximum Format ⓘLargest sensor size compatible with the lens. |  APS-C |
Physical | |
| Lens Weight | 213 g |
Lens Diameter ⓘWidth of the lens at its widest point | 70 mm |
Lens Length ⓘHow long the lens is from front to back. | 57.2 mm |
Front Filter Compatible ⓘSome lenses are compatible with front filters, some are compatible with back filters and some are compatible with both. Front filters are usually more convenient to add and remove. |  Yes |
Front Filter Size ⓘDiameter of attachable filters. | 62 mm |
Optics | |
Focal Range ⓘShortest to longest focal length of the lens (zoom range start - end ) | 12 mm |
Aperture Range ⓘLargest aperture at the lens's shortest focal length to longest focal length (aperture range start - end) | 2 |
| Focal Length Angle of View | 96.8° |
Flange Focal Distance ⓘDistance from lens mount to sensor. | 20 mm |
Diaphragm Type ⓘStructure and design of the aperture |  Automatic |
Blades ⓘNumber of diaphragm blades in aperture | 7020 |
Zoom Lens ⓘZoom allows you to vary the focal length, change between long shots and close-ups | No |
Closest Focusing Distance ⓘMinimum distance for a subject to be in focus. | 20 cm01500 |
Maximum Magnification ⓘLargest size a subject can be reproduced | 0.09x |
| Autofocus Mode |  Yes |
| Manual Mode |  Yes |
| Manual Focusing Ring |  Yes |
Features | |
Weather Sealing ⓘWeather sealing capabilities will give you more confidence when shooting in unfavourable conditions. |  Yes |
Fluorine Coating ⓘCoating to repel water and oil from lens elements. | No |
| Built In Lens Hood | No |
| Lens Hood Type |  Petal |
Teleconverter ⓘA teleconverter (extender) is an extra piece of equipment that fits between the lens and the camera body to enhance magnification | No |
| Image Stabilization | No |
Construction | |
Elements ⓘLens elements refer to individual pieces of glass within the lens. | 12 |
| Groups | 10 |
Aspherical Elements ⓘThe number of aspherical lens elements which can help correct aberrations such as spherical aberration. | 2 |
Bi Aspherical Elements ⓘElements with two non-spherical surfaces | 0 |
Low Dispersion ⓘElements that reduce chromatic aberration | 3 |
Super Low Dispersion ⓘAdvanced elements further reducing chromatic aberration | 0 |
CA Reduction ⓘBuilt-in features to reduce chromatic aberration | 0 |