Rokinon

Rokinon RK12M-FX-SIL 12mm F2.0 Ultra Wide Fujifilm Lens

4.4 (110 reviews)
f/2.09 oz

An ultra-wide 12mm f/2.0 manual-focus lens with advanced optics for Fujifilm X-mount landscape and astro shooters.

$249.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

The Rokinon 12mm F2.0 Ultra Wide Angle Lens for Fujifilm X-Mount is purpose-built for photographers who want the widest possible perspective from their APS-C mirrorless cameras. With a 98.9° angle of view, it captures sweeping landscapes, architectural interiors, and dramatic cityscapes with impressively controlled distortion for such a wide focal length. The optical design uses 12 elements in 10 groups, including three extra-low dispersion elements to suppress chromatic aberration and two aspherical elements to minimize field curvature and astigmatism. Rokinon's Nano Coating System is applied to lens surfaces to reduce flare and ghosting, maintaining contrast and color accuracy when shooting into bright light sources.

The fast f/2.0 maximum aperture makes this lens particularly capable in low-light environments and a popular choice for night sky photography, where its wide field of view and light-gathering ability combine to capture detailed star fields and Milky Way compositions. At under 9 ounces, it adds very little weight to a Fujifilm body, making it an ideal travel and hiking companion. The long-throw manual focus ring provides the tactile precision needed for critical focusing at wide apertures, and the minimum focus distance of 7.9 inches allows for creative close-up perspectives. While the fully manual operation—no autofocus, no electronic aperture control, no EXIF communication—requires a more deliberate shooting approach, it also contributes to the lens's compact size, light weight, and accessible price point.

Key Features

Rokinon 12mm F/2.0 Ultra Wide Angle Lens - Front Lens Cap - Rear Lens Cap - Lens Pouch - Rokinon 1 Year Limited Warranty

Prime wide-angle lens provides a 35mm-equivalent focal length of 18mm, making it ideally suited for architectural and landscape subjects.

Fast f/2.0 maximum aperture benefits working in low-light conditions.

Three extra-low dispersion elements and two aspherical elements reduce chromatic aberrations and distortions in order to produce sharper images.

Nano Coating System improves light transmission and suppresses lens flare and ghosting for more contrast-rich, color-neutral images.

Specifications

Brand
Rokinon
Model
RK12M-FX-SIL
Focal Length
12mm
Maximum Aperture
f/2.0
Angle of View
98.9°
Lens Mount
Fujifilm X-Mount
Sensor Format
APS-C
Optical Construction
12 elements in 10 groups
Special Elements
3 ED, 2 Aspherical
Coating
Nano Coating System
Minimum Focus Distance
7.9" (0.2m)
Filter Thread
67mm
Weight
Under 9 oz
Focus Type
Manual

Pros & Cons

👍 Pros

  • Ultra-wide 98.9° angle of view captures expansive landscapes, interiors, and cityscapes with minimal edge distortion
  • Fast f/2.0 maximum aperture delivers strong low-light and astrophotography performance
  • Nano Coating System effectively suppresses flare and ghosting in backlit shooting conditions
  • Weighs under 9 oz, making it one of the lightest ultra-wide options for Fujifilm X-mount
  • Long focus throw provides fine manual focusing precision for critical sharpness

👎 Cons

  • Manual focus only with no autofocus motor, which limits usefulness for fast-moving subjects
  • No electronic communication with the camera body means no EXIF data and no in-body aperture control
  • Manual aperture ring requires stopping down by hand, adding steps compared to electronically coupled lenses
  • Not stabilized, so handheld shooting in very low light at slower shutter speeds relies entirely on steady technique

Frequently Asked Questions

The Rokinon 12mm F2.0 is a fully manual-focus lens. It features a long focus throw for precise focusing control, which is especially useful for landscape and astrophotography.
On Fujifilm's APS-C sensor, the 12mm focal length provides an equivalent field of view of approximately 18mm in full-frame terms, delivering a 98.9° ultra-wide angle of view.
Yes, the fast f/2.0 aperture gathers significant light, and the ultra-wide field of view captures expansive night sky scenes. The manual focus with long throw allows precise focusing on stars.
No, this is a fully manual lens without electronic contacts. Aperture is controlled via the lens ring, and EXIF data such as focal length and aperture will not be recorded automatically.
It accepts 67mm threaded filters.