Rokinon 50mm f/1.2 UMC CS Lens
The Rokinon 50mm f/1.2 is a 50mm f/1.2 lens designed for Sony E, Canon EF-M, Fujifilm X, Micro Four Thirds mount cameras. Used copies start from $128.52 on GearFocus, with buyer protection on every purchase.
Rokinon 50mm f/1.2 UMC CS Lens
Used Rokinon 50mm f/1.2 Listings on GearFocus
Lens Overview — Rokinon 50mm f/1.2
Key Features — Rokinon 50mm f/1.2
f/1.2 Maximum Aperture: Exceptionally wide aperture allows for shooting in low-light conditions and enables strong subject separation with shallow depth of field.
75mm Full-Frame Equivalent: On an APS-C sensor, the 50mm focal length translates to approximately 75mm, making it well-suited for portraiture and street photography.
Four Mount Options: Available in Sony E, Canon EF-M, Fujifilm X, and Micro Four Thirds mounts to cover the most common APS-C mirrorless platforms.
APS-C Dedicated Design: Engineered specifically for crop-sensor mirrorless bodies, so the image circle and optical formula are optimized for this format.
Ultra Multi-Coating (UMC): Multi-layer lens coating reduces flare and ghosting, helping maintain contrast and color accuracy when shooting in strong or direct light.
Manual Focus Only: Fully manual focus operation suits deliberate shooting styles and gives the photographer precise control over focus placement.
Lens Specifications — Rokinon 50mm f/1.2
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Street, Night, Creative Effects |
| Lens Type | Prime |
| Format | APS-C / DX |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.2 |
| Camera System | Mirrorless |
| Lens Mount | Sony E, Canon EF-M, Fujifilm X, Micro Four Thirds |
| Autofocus | No |
| Focus Type | Manual Focus |
| Image Stabilization | None |
| Filter Thread | 62mm |
Description — Rokinon 50mm f/1.2
The Rokinon 50mm f/1.2 UMC CS Lens is a prime lens built for APS-C mirrorless camera systems, available in Sony E, Canon EF-M, Fujifilm X, and Micro Four Thirds mounts. Its standout specification is the f/1.2 maximum aperture, which allows for significant light gathering in dim conditions and gives photographers strong creative control over background separation. Focusing is fully manual, with no autofocus capability — a deliberate design choice that keeps the lens compact and straightforward for photographers who prefer hands-on control.
The lens weighs 385g and accepts 62mm front filters. With no image stabilization on board, steady technique or a stabilized camera body will be important when shooting at slower shutter speeds. The UMC (Ultra Multi-Coating) mentioned in the product data is designed to reduce flare and ghosting.
Across its four supported mounts, this lens offers APS-C mirrorless photographers a fast, manual 50mm prime option that is well-suited to considered shooting scenarios where autofocus is not a requirement.
Pros — Rokinon 50mm f/1.2
- ✓Very fast f/1.2 maximum aperture enables strong low-light performance and shallow depth of field control
- ✓Available in four mounts — Sony E, Canon EF-M, Fujifilm X, and Micro Four Thirds — covering a broad range of APS-C mirrorless systems
- ✓Dedicated APS-C (lensFormat) design ensures the lens is optimized for crop-sensor mirrorless bodies
Cons — Rokinon 50mm f/1.2
- ✗Manual focus only — no autofocus support, which may limit suitability for fast-moving subjects or action photography
- ✗No image stabilization (imageStabilization: None), so sharp results in low light depend entirely on the f/1.2 aperture and shooter technique
- ✗APS-C-only coverage means the lens cannot be used on full-frame mirrorless bodies
Videos — Rokinon 50mm f/1.2
Samyang 50mm f/1.2 AS UMC CS lens review with samples — Christopher Frost