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Samyang 1223209101 50mm F1.2 Micro 4/3 Lens — main product image
Samyang

Samyang 1223209101 50mm F1.2 Micro 4/3 Lens

★★★★★4.4 (31 reviews)

Capture Stunning Portraits with the Samyang 50mm F1.2 Lens The Samyang 50mm F1.2 AS UMC CS lens is a manual focus lens designed for Micro 4/3 cameras. With its bright F1.2 aperture, it excels in low-light conditions and delivers beautiful bokeh, making it ideal for portrait photography. Key Feat...

$409.88*
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*Price sourced from Amazon.com. Last updated:Jun 04, 2026.Price and availability are subject to change.

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Overview

Capture Stunning Portraits with the Samyang 50mm F1.2 Lens

The Samyang 50mm F1.2 AS UMC CS lens is a manual focus lens designed for Micro 4/3 cameras. With its bright F1.2 aperture, it excels in low-light conditions and delivers beautiful bokeh, making it ideal for portrait photography.

Key Features:

  • Aperture: F1.2 for bright, crisp images and impressive bokeh.
  • Optical Design: 9 elements in 7 groups with 2 ASP lenses.
  • Coating: Ultra Multi Coating (UMC) to minimise flare and ghosting.
  • Minimum Focusing Distance: 0.28m.
  • Aperture Blades: 9 blades for circular bokeh.

Specifications:

  • Mount: Micro 4/3
  • Construction: High-strength aluminium alloy.

Included:

  • Samyang 50mm F1.2 CSC Manual Focus Lens
  • Soft pouch

Key Features

F1.2 aperture creates fantastic image with shallow depth and smooth focus gear ring allows precise adjustment

Glass Aspherical lens elements reduce chromatic aberration effectively to produce excellent image quality

UMC technology reduces flare and ghosting as much as possible for clearer brighter images

9 aperture blades create almost a full circle when closed

Specifications

Brand
Samyang
Model
1223209101
Focal Length
50mm
Maximum Aperture
F1.2
Mount Type
Micro 4/3
Aperture Blades
9
Lens Elements
Glass Aspherical
Coating Technology
UMC (Ultra Multi Coating)
Focus Type
Manual Focus (indicated by smooth focus gear ring)

Pros & Cons

👍 Pros

  • The F1.2 aperture creates a fantastic image with a shallow depth of field, ideal for beautiful background blur (bokeh).
  • Features a smooth focus gear ring, allowing for precise and accurate manual focus adjustments.
  • Equipped with glass aspherical lens elements, which effectively reduce chromatic aberration for excellent image quality.
  • Utilizes UMC technology to minimize flare and ghosting, resulting in clearer and brighter images.
  • The 9 aperture blades create an almost full circle when closed, contributing to a pleasing and natural bokeh effect.

👎 Cons

  • As a manual focus lens, it requires more user input and may not be ideal for fast-moving subjects or quick shots.
  • Designed specifically for Micro 4/3 mounts, limiting its compatibility to cameras within that system.
  • The wide F1.2 aperture makes the lens potentially larger and heavier than lenses with smaller maximum apertures.
  • Chromatic aberration is reduced, but the term "effectively reduce" implies it may not be entirely eliminated under all conditions.
  • Lacks optical image stabilization, which could be a consideration for shooting in low light or handheld video without a stabilized camera body.

Frequently Asked Questions

The Samyang 50mm F1.2 lens boasts a very wide maximum aperture of F1.2, which is excellent for low-light photography and achieving shallow depth of field.
No, the lens is described with a "smooth focus gear ring," indicating it is a manual focus lens, requiring the user to adjust focus manually.
This lens is designed for Micro 4/3 mount cameras, making it compatible with camera bodies that use the Micro Four Thirds system.
The lens features 9 aperture blades, which contribute to creating an almost full circular opening when stopped down, resulting in smooth and pleasing bokeh.
The lens incorporates UMC (Ultra Multi Coating) technology, which reduces flare and ghosting as much as possible, leading to clearer and brighter images.
Yes, it uses glass aspherical lens elements that are designed to effectively reduce chromatic aberration, contributing to overall excellent image quality.

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