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Rokinon

Rokinon 12mm F2.0 NCS CS Ultra Wide Angle Lens for Fuji X Mount Digital Cameras (Black) (RK12M-FX) - Fixed | Premium optical design delivers sharp image quality and reliable performance for photography and video.

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Availability: In Stock.
Fulfilled by Amazon
Arrives Monday, Sep 7
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Style: Fuji X


Color: Black


Features

  • STUNNING IMAGERY - Experience exceptional image quality with 12 elements in 10 groups, delivering sharp, clear photos and videos for your Fujifilm X-mount camera.
  • ULTRA-WIDE PERSPECTIVE - Capture expansive scenes with a 12mm focal length (18mm equivalent), perfect for landscapes, interiors, and creative compositions with a 98.9 angle of view.
  • SUPERIOR LOW LIGHT - The fast f/2.0 aperture allows for excellent performance in low-light conditions, creating beautiful background blur and enabling faster shutter speeds.
  • PRECISION FOCUS - Achieve precise focus with the manual focus system, allowing you to fine-tune your shots and explore creative focusing techniques with a close focus distance of 7.87".
  • COMPACT AND LIGHTWEIGHT - Designed for portability, this lens weighs only 9.17 oz (260g), making it an ideal travel companion without sacrificing optical performance and build quality.

Description

The Rokinon 12mm f/2.0 NCS CS Wide Angle Lens for Fujifilm X is a high- performance, manual-focus prime lens designed for mirrorless APS-C cameras. With a full-frame equivalent focal length of 18mm, it’s ideal for landscape, interior, and architectural photography. Its fast f/2.0 aperture allows for bright, detailed image capture in low-light conditions without the need for external lighting. From tight indoor spaces to dusk cityscapes, it performs reliably in challenging environments. The optical design includes 12 elements in 10 groups, featuring three Extra-low Dispersion (ED) and two aspherical elements (1 ASP, 1 hybrid ASP) to reduce chromatic aberration and distortion, delivering sharp, color-accurate results across the frame. Rokinon's Nano Coating System enhances light transmission while reducing ghosting and flare, improving contrast and color fidelity—especially in bright or backlit settings. Despite its advanced optics, the lens is compact and lightweight, measuring just over 2.3 inches and weighing around 8.6 ounces. Its long, smooth manual focus ring provides precision control for accurate focusing, whether capturing wide landscapes or close-up compositions. Compatible with Fujifilm X-mount APS-C cameras, it offers a sweeping 98.9° angle of view—perfect for capturing expansive scenes. A close minimum focusing distance of 7.87 inches (0.2m) also enables creative wide-angle close-ups. Included is a removable petal-shaped lens hood to help minimize flare and protect the front element. The 67mm front filter thread supports a wide range of filters for greater shooting versatility.

Brand: Rokinon


Focal Length Description: 12 mm


Lens Type: Wide Angle


Compatible Mountings: Fujifilm X


Camera Lens Description: Rokinon 12mm f/2.0 CS Lens for Fujifilm X


Focal Length Description: 12 mm


Lens: Wide Angle


Compatible Camera Mount: Fujifilm X


Maximum Focal Length: 12 millimeters


Minimum Focal Length: 12 millimeters


Lens Design: Prime


Focus Type: Manual Focus


Lens Fixed Focal Length: 12 millimeters


Lens Coating Description: Nano Crystal Coating


Zoom Ratio: 11


Image stabilization: digital,optical


Real Angle Of View: 110 degrees


Maximum Aperture: 2 millimeters


Minimum Aperture: 22 millimeters


Number of Diaphragm Blades: 6


Compatible Camera Models: Fujifilm X-mount cameras


Lens Mount: Fujifilm X


Color: Black


Exposure Control Type: Manual


Media Type: ProductImage


Water Resistance Level: Not Water Resistant


Brand: Rokinon


Camera Lens: Rokinon 12mm f/2.0 CS Lens for Fujifilm X


Model Name: RK12M-FX


UPC: 796594380764 084438762556


Number of Items: 1


Manufacturer Part Number: RK12M-FX


Global Trade Identification Number: 56


Unit Count: 1 Count


Built-In Media: Lens


Item Weight: 272.15 g


Manufacturer: Rokinon


Warranty Description: 1 year


Model Number: RK12M-FX


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Monday, Sep 7

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

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View our full returns policy here.

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Top Amazon Reviews

    • Good quality fast wide lens
Style: Fuji X Color: Black
I never used Rokinon/Samyang lenses before but this one was so highly recommended on various photo-forums that I decided to try it on my X-T10. Build quality: very good. Solid and sturdy lens. No backlashes, shifts or anything similar. When you take and put on your camera you feel its quality. Sharpness: extremely, crystal sharp even completely open. Maximum aperture F2: forget about "low light condition" Weight: It is light! It will not add load to you neck or shoulder. Price: one third of direct competitor from Fujifilm Resume: best value for money lens. Point. The only "drawback" - it is manual. Means - no auto-focus. For somebody this can be a problem but if you have grown with old school manual lenses like I have, youг will not notice that. I highly recommend this lens. ... show more
Reviewed in the United States on August 9, 2018 by Victor
    • So good for Milky Way and night photography
Style: Fuji X Color: Black
This lens is so good and easy to use, even though it is manual focus. Even at f2.0, due to the amount of wide angle, it is easy to find focus in the dark, especially if you live view that zooms in. I use it on the fuji X system and i have zero complains about this lens. A near-perfect lens for astrophotography, specifically Milky Way photograhy. there is some coma in the corners, but if you can find a lens at this wide angle that does not have coma at the edges, especially at this price point, you are buying your lenses in lala land. Honestly, the coma is so well controlled, you will not notice it unless you know what you are looking for. It is SHARP, even sharper at f4-f-11, great for landscapes and architectural photography! If your camera has focus peaking, manual focusing is extremely easy and fast Build quality is great, all metal and the included lens hood is a nice addon. ... show more
Reviewed in the United States on June 28, 2019 by Haralambos Babaletskos
    • This is an exceptional lens! Great value for the money spent.
Style: Fuji X Color: Black
This lens really surprized me. It is extremely sharp and well made. Great micro-contrast and a joy to use. Manual focus is not such a big issue with this lens as at 12mm it has a huge depth of field. I bought this lens to use on my Fuji cameras and it is as sharp as any fuji lens I currently own. In additon I use this lens for wide-field astrophotography and it works great. The only real gripe I have about this lens is that the rear lens cap is extremely loose and tens to come off. I am looking for a replacement that will provide a good tight fit. Other than that I could not be happier with this lens and that is why I only gave it four stars. ... show more
Reviewed in the United States on March 26, 2018 by James L Radcliffe
    • The budget 12mm F2.0 with views that are priceless
Style: Fuji X Color: Black
First it's a manual lens, so setting up your camera (in my case x-t30 FujiFilm camera) for focus assist is a must. (ALSO another note: at least in FujiFilm cameras, you need to set a setting that makes camera take photo without lens, because there is no electronic communication the camera assumes there is no lens and wont take a photo unless you turn off that setting) However, after that you get into the groove of working with this lens you will get amazing views. This lens being 12mm with a 2.0f stop means you get a wide field of view and with the low f-stop (2.0) your open to astrophotography even in the lowest of lights (without the noise of a high ISO). I haven't tried astrophotography yet however f2.8 was amazing for night photos and because of the low f-stop you always have that flexibility to get more light in before going to your last option of bumping up ISO to crazy noise levels. General purpose, this is indeed a prime lens (fixed to 12mm) so you will get a lens curve in image however in post you can crop or correct for it, and since you get a lot more of the scene you actually have to consider subject matter on taking the photo, but its more of a mindset change than anything else and its definitely a good trade-off to be able to have the capability to do good low light photos as well. I pretty much take landscape, nature (will be trying more on night and low light now I got this lens) definitely a good lens to at least have in your bag, although I am a heavy budget guy so this manual lens with its ultra-wide 12mm and low light capabilities of f2.0 is definitely my main lens for now and worth it for people who want a budget way to get into astrophotography, and low light photos besides the standard day time photos. ... show more
Reviewed in the United States on December 2, 2020 by sdpenaloza
    • Won't replace a $700-$1,500 lens, but *great* for the price
Review Image by Colin Huth
After a year and a half of use, I can safely say that though it has its flaws, this lens is a solid way to get a practical wide into your kit for cheap. Downsides: -Fairly-frequent green/magenta color fringing on both my X-Pro1 & X-T2, though usually easy to remove in post -Quality of optics isn't incredible, and at apertures 5.6+ quality loss becomes *very* noticeable -Manual focus, though not an issue while composing slower shots, has caused me issues in fast & precise scenarios like theatre -Can shift ever-so-slightly while on the camera body... it has no stability issues, though, so this is just a pet peeve Upsides: -A way to have a surprisingly-decent wide lens for less than half the cost of a Fuji autofocus lens -Build quality is solid, focusing & aperture rings still feel sturdy after countless hours of use -f2 is pretty darn fast glass compared to similar autofocus lenses -Focuses very close, and is tack-sharp at minimum distance + minimum aperture, something many Fuji lenses aren't Conclusion: Though now I'm buying a Fuji wide (10-24mm f4) to have more flexibility & consistency on shoots that need it, I don't regret this purchase one bit. If you have a hard time justifying a larger purchase right now, or simply don't need fast focusing/flawless clarity/higher apertures, this lens may be just what you need. ... show more
Reviewed in the United States on October 29, 2017 by Colin Huth
    • Excellent Manual Focus Lens for the Money
Style: Fuji X Color: Black
Review Image by Douglas D. Golupski
Its a great little lens for the Fuji X format. Focus past five feet is near infinite at all f-stops. There were rumors of a yellow color cast that has afflicted a few of these lenses mine didn't suffer from that. Color reproduction is very good, I cant speak to contrast as I have my Fuji set to maximize the dynamic range for editing. The lens is very sharp though not as good as the Fuji 10-24 but for half the cost, two extra f-stops and a more compact size I think its an excellent value and worth the minor pixel peeping trade off. Purchased this lens mainly for the F2 aperture to aid in my Astro and night time photography and it really excels there. There is a slight smearing of stars in the corners but to the untrained eye it looks like star trails beginning to form. ... show more
Reviewed in the United States on December 15, 2014 by Douglas D. Golupski
    • For the price you cant beat it.
Fast lens, fully manual shooting isnt a big deal for me because Im using this for landscapes and staged indoor shots. Sharpness: good distortion: minimal colour: as good as the fuji kit 18-55 f2.8 bokeh:decent not outstanding build: mostly metal. solid. hard stops, nice and clicky. I really like this lens. For 300$ its a steal. Fuji lenses are great but they dont offer anything with these capabilities for under $600-700. If the auto functions don't matter to you keep your money this is the lens you want. ... show more
Reviewed in the United States on September 4, 2015 by Eric Forest
    • Great value and can be sharper than a Fujinon 16-50 XC 3.5-5.6
Style: Fuji X Color: Black
Review Image by A. Der
Review Image by A. Der
Review Image by A. Der
Review Image by A. Der
Review Image by A. Der
Review Image by A. Der
Review Image by A. Der
I have had it less than a week and my test shots show it will meet my needs for landscape and astrophotography. I have included one astrophoto and three test showing center edge and corner sharpness with f-stops. It is great wide open for astro photography, for day landscapes, it is good from f:4 to maybe f:11 before you get some diffraction. If you need more depth of field, you shoot at f:22 knowing it's limitations. Others have compared it to the equivalent Ziess wide open and they felt the Rokinon was sharper. For night photography, infinity was at the stop at the end, so it was easy to set. CHECK OUT MY F-STOP SAMPLES! I will append this if I find anything new. Update: Sorry my samples were reduced by Amazon and did not show the details. After using the lens for a few months, it is a keeper. Some cave photos worked out well, but slower to use than an auto-focus lens, I need to add some DOF marks for my commonly used f-stops, compact size is great for packing into a waterproof case in my pack. ... show more
Reviewed in the United States on September 3, 2019 by A. Der

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