Rokinon

Rokinon RK50M-MFT 50mm f/1.2 Lens (Micro Four Thirds)

4.0 (63 reviews)

Capture Stunning Images with a High-Speed Prime LensThe Rokinon RK50M-MFT 50mm F1.2 AS UMC Lens is designed for mirrorless camera systems. Its fast f/1.2 aperture allows for exceptional low-light performance and beautiful background blur. With its superb optical construction, this lens delivers b...

$375.00*
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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

Capture Stunning Images with a High-Speed Prime Lens

The Rokinon RK50M-MFT 50mm F1.2 AS UMC Lens is designed for mirrorless camera systems. Its fast f/1.2 aperture allows for exceptional low-light performance and beautiful background blur. With its superb optical construction, this lens delivers bright, sharp, and clear images with minimal distortion.


Specifications:

  • Brand: Rokinon
  • Model: RK50M-MFT
  • Focal Length: 50mm
  • Aperture: f/1.2
  • Lens Mount: Micro Four Thirds
  • Optical Construction: 2 Aspherical Elements
  • Focus: Manual Focus
  • Includes: Detachable Lens Hood
  • Color: Black

Key Features

Lens features Rokinon Ultra Multi-Coated (UMC) optical glass for sharp, clear images

50mm fixed focal length with aperture range of f1.2-f20

Constructed of 9 lens elements in 7 lens groups

Removable Lens Hood

Specifications

Focal Length
50mm
Maximum Aperture
f/1.2
Minimum Aperture
f/20
Optical Construction
9 lens elements in 7 lens groups
Coating
Rokinon Ultra Multi-Coated (UMC)
Mount Type
Micro Four Thirds
Included Accessory
Removable Lens Hood

Pros & Cons

👍 Pros

  • The lens uses Rokinon Ultra Multi-Coated (UMC) optical glass, which helps in producing sharp and clear images by minimizing reflections.
  • A fast maximum aperture of f/1.2 enables excellent low-light photography and allows for creative shallow depth of field effects.
  • The 50mm fixed focal length is a versatile option for various photography styles, including portraits, street, and general use.
  • Constructed with 9 lens elements in 7 groups, the optical design aims to deliver high image quality and reduced optical aberrations.
  • A removable lens hood is included, which can effectively reduce lens flare and ghosting, thus improving overall image contrast.

👎 Cons

  • This lens has a fixed focal length, meaning it does not offer the flexibility of a zoom lens for varying perspectives.
  • The aperture range extends only to f/20, which might not be ideal for photographers who need an even deeper depth of field in certain situations.
  • The lens is designed specifically for Micro Four Thirds mounts, limiting its compatibility to that particular camera system.
  • No mention of autofocus capability indicates that this is a manual focus lens, which requires manual adjustment for sharp focus.
  • Specific weight or dimensions are not provided, making it challenging to assess its portability and physical handling characteristics.

Frequently Asked Questions

This Rokinon lens features Ultra Multi-Coated (UMC) optical glass, designed to provide sharp and clear images by minimizing internal reflections.
The lens offers an aperture range from a bright f/1.2 to f/20, providing flexibility for various lighting conditions and depth of field control.
The optical system is constructed with 9 lens elements arranged in 7 lens groups, designed to achieve high image quality.
Yes, a removable lens hood is included, which helps to reduce flare and ghosting and protect the front element of the lens.
This lens is designed for the Micro Four Thirds mount, ensuring compatibility with cameras that use this specific mounting type.