Combining a wide-angle perspective with a fast maximum aperture, this 12mm f/2.0 AF Lens from Rokinon is designed for APS-C-format FUJIFILM X-mount mirrorless cameras and provides an 18mm focal length perspective equivalent in 35mm full-frame format. Three extra-low dispersion elements, one aspherical element, and one hybrid-aspherical element are incorporated into the lens construction to help to control aberrations and distortions for increased clarity and sharpness. Ultra Multi-Coating has also been applied to all lens elements to reduce lens flare and ghosting for increased contrast and color fidelity. The bright f/2.0 maximum aperture excels in difficult lighting conditions and enables greater control over depth of field and focus placement. The Linear STM autofocus motor provides fast, quiet focus, and the lens barrel incorporates a custom function switch and a focus hold button for optimal focus control. Additionally, the lens incorporates a seven-blade diaphragm to produce a smooth quality of bokeh.

X-Mount Lens / APS-C Format    Aperture Range: f/2.0 to f/22    1 ASPH, 1 Hybrid ASPH, and 3 XD Elements    UMC Ultra Multi-Coating    Linear STM Autofocus Motor    Minimum Focus Distance: 7.48"    Weather-Sealed Construction    Filter Size: 62mm    7-Blade Diaphragm    Petal Lens Hood and Fitted Case

Related Questions and Answers

Q: 1. Is there no autofocus on this lens?

A: No autofocus. But with a lens this wide it's quite easy to achieve focus manually. At f8 and focus set to infinity, almost everything is in focus. Just point and shoot.

Q: 2. Does this lens have an inherent infinity focus problem? I suspect 90% of my shots would be at infinity, and I just want to turn the focus ring all the way to the stop and forget about it.

A: No,not quite. As is true of most lenses, this one focuses slightly past infinity to allow for variables such as filter refraction, weather impact and manufacturing tolerances. My copy appears to be aligned very close to where the infinity indicator points outward toward the front element. So, if you are shooting stopped down somewhat (roughly f/5.6 or beyond - as would be advised for any landscape shooting), focusing to the hard stop would allow infinity to be in fairly good focus. However, as a fast lens (f/2 wide open), more precise focus accuracy is advisable.

Q: 3. will it fit a Sony A7s II?

A: Yes, but since it is made for a crop sensor it will crop your image as if it were on a crop sensor body.

Q: 4. I know this lens is fully manual but when mounted on an A6000 will it communicate at all with the camera for MF-Assist (auto-zoom) when you turn the focus ring?Also will it provide any lens EXIF data?

A: Hello, I have this lens and in my experience the answer to both your questions is no. It does not do Manual Focus Assist (zoom/enlarge when focusing) or record EXIF data. If I am not mistaken it is not only fully manual but fully 'passive' in the sense that it has no brains/processor at all. That being said: it does work with Focus Peaking (where the screen shows highlights around the in focus area) and you can easily assign a button (I use AEL) for MF Assist. The manual control ring for Aperture works well and often for a semi-automatic experience I put the camera in Aperture Priority mode so it compensates the shutter speed and ISO for me. Overall I enjoy the lens. I hope this info helps you make your choice fellow a6000'erBest regards,Jason

Q: 5. I bought this lens for my XT-1 and I can't seem to shoot with it. Everything is on manual but when I click the shoot button nothing happens. How do I fix this?

A: Make sure the camera is set to Shoot without lens It's in the third shooting menu (red) then it's second to bottom. Select on. Also, just above that is the Mount Adapter Setting, in there you can select the focal length, which will be recorded in the EXIF data. The first four are set; lens 5 and 6 are put in manually. This is where you would put in 12mm because the first 4 settings do not have 12 . FYI, because there is no communication between the lens and camera, the Aperture is not recorded in EXIF.

Q: 6. When using this lens, I get black corners in my pictures, it looks like I am looking thru a tube, is there something wrong with lens, or am I doing something wrong? The viewfinder also shows this black distortion.

A: This lens is designed for cameras with an APS-C size sensor. If your camera is full frame, like the Sony A7 series, it will vignette.

Q: 7. Is the silver the same lens as the black? It is a lot cheaper and I don't want to spend $70 extra to have a black lens

A: Same performance. I've been using it with the a6300 for astro and landscape photography and it always has a home in my travel bag.

Q: 8. Will this lens fit on a Canon T3i?

A: No it will not. This lens is for the Canon M mirrorless camera which has a different mount from their DSLRs.

Q: 9. I have been told that for the Fuji X system, firmware update is possible through the camera's body. Is it right?

A: Yes. correct Here is a step by step assistance that will help you with the procedure. https://bit.ly/3MGFz6R

Q: 10. is any difference in quality between the silver and the black? as the silver is cheaper.

A: No difference, just color. Black is more popular hence the price difference.