Samyang 50mm f/1.4 AS UMC Lens

The Samyang 50mm f/1.4 AS UMC lens slots in between the Samyang 35mm and 85mm lenses. The 50mm is a standard focal length prime lens, with fast f1.4 aperture full frame compatibility, and is also suitable for smaller sensor cameras.

Perfect for the recent super high resolution full frame cameras, such as the Nikon D600, D610 D750, D800, D810, The Canon 5D Mark III, Sony A7 / A7R / A7S etc. The Samyang 50mm lens is also available in a cine / video version: Samyang 50mm T1.5 AS UMC VDSLR lens.

The Nikon versions feature AE (Auto Exposure) featuring an electronic circuit which allows for full control of exposure parameters accessible from the Nikon camera, including i-TTL flash communication and EXIF data, compatible with all Nikon Digital SLR cameras.

Many Samyang users have requested a 50mm standard prime lens and here it is! This specially designed Samyang 50mm lens is full frame compatible, suitable for cameras and interchangeable lens camcorders fitted with 24x36mm (full frame) or smaller sensor.

Offering a 46.2 degrees field of view with a fast aperture of f/1.4 means it is superb for low light shooting and shallow depth of field photography where separation of the subject from the background is desired and beautiful bokeh with a circular aperture with 8 blades.

Optics of the lens consists of nine lens elements arranged in six groups (including one aspherical and one hybrid aspherical lens element). The Hybrid glass aspherical lens (H-ASP) minimizes colour aberration to produce exceptional image quality and high contrast for throughout the image, from centre to the corners, even for wide apertures. The aspherical element (ASP) further helps to produce the highest resolution and sharpness throughout the image. To ensure high contrast and faithful colour reproduction, all lens elements have been covered with Samyang's multi-layered UMC anti-reflective coatings.

Supplied with removable lens hood, and front and rear lens caps. Filter size: 77mm

Available in the following mounts: Canon EF, Nikon F, Sony E mount.

Samyang 50mm f/1.4 AS UMC Lens


ManufacturerSamyang Optics
ModelSamyang 50mm f/1.4 AS UMC Lens
Lens typeStandard lens for cropped sensor or full frame cameras
Focal length50mm
Maximum aperturef1.4
Min aperturef22
Angle of view46.2 degrees
Min focusing distance0.45m
No. of diaphragm blades8 (circular blades)
Focus typeMF (Manual Focus only)
Lens construction9 elements in 6 groups, including 1 aspherical lens.
Dimensions81.4mm diameter
Weight575g (approx, dependant on mount)
Lens hood:Detachable
Filter Size:77mm
Available mountsCanon EF, Nikon F, Sony E mount

Whats in the box?

Front and rear lens caps, lens hood, soft lens bag.


Samyang 50mm f/1.4 AS UMC lens test / reviews