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Samyang / Rokinon 50mm F1.4 AS UMC

Nikon F (DX/FX)

Samyang / Rokinon 50mm F1.4 AS UMC

Focal length
50 mm
Aperture
f/1.4
Weight
520 g
Filter diameter
77 mm
Min. focus distance
45 cm
Length
72 mm
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At a Glance

This 50 mm standard prime for Nikon F-mount full-frame cameras opens to f/1.4, which allows short shutter times in low light. Aperture and focus are both set by hand. A hybrid aspherical element and internal focusing are part of the design, and the closest focus is 45 cm. It suits everyday shooting, street and low light.

Good for

  • Everyday
  • Street
  • Low light

Worth knowing

  • No autofocus: focusing is manual only.

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

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Min. focal length
50 mm
Max. focal length
50 mm
Max. aperture (min. zoom)
f/1.4
Max. aperture (max. zoom)
f/1.4
Min. aperture
f/22
Elements
9
Groups
6
Weight
520 g (1.15 lb)
Filter diameter
77 mm
Min. focus distance
45 cm (17.72 in)
Length
72 mm (2.83 in)
Diameter
82 mm (3.23 in)

Manufacturer data: rokinon.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Samyang / Rokinon 50mm F1.4 AS UMC fit?

The Samyang / Rokinon 50mm F1.4 AS UMC is a full-frame lens for Nikon F-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Nikon F-Mount cameras its field of view equals 75 mm in full-frame terms.

Nikon F-Mount cameras

Full frame:
Nikon D6,Nikon D780,Nikon D850,Nikon D5,Nikon D810A,Nikon D4S,Nikon D810,Nikon D750,Nikon Df,Nikon D610,Nikon D4,Nikon D800,Nikon D800E,Nikon D600,Nikon D3S,Nikon D3X,Nikon D700
APS-C:
Nikon D3500,Nikon D7500,Nikon D500,Nikon D3400,Nikon D5600,Nikon D5500,Nikon D7200,Nikon D3300,Nikon D7100,Nikon D5300,Nikon D3200,Nikon D5200,Nikon D5100,Nikon D7000,Nikon D3100,Nikon D300S,Nikon D5000,Nikon D3000,Nikon D90,Nikon D60

With the Nikon FTZ II / FTZ the lens can also be used on Nikon Z (DX/FX) cameras.

Samyang / Rokinon 50mm F1.4 AS UMC compared

Key specs side by side with the most similar Nikon F-Mount lenses.

LensSamyang / Rokinon 50mm F1.4 AS UMCSamyang 50mm F1.4 AS UMCZeiss Milvus 50mm F1.4Zeiss Planar T* 1,4/50
Focal length50 mm50 mm50 mm50 mm
Max. aperturef/1.4f/1.4f/1.4f/1.4
Weight520 g520 g875 g330 g
Filter diameter77 mm77 mm67 mm58 mm
Min. focus distance45 cm45 cm45 cm45 cm
Length72 mm72.2 mm94 mm45 mm
Autofocusnononono
Image stabilizationnononono
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Samyang / Rokinon 50mm F1.4 AS UMC: FAQ

Does the Samyang / Rokinon 50mm F1.4 AS UMC have autofocus?

No, the Samyang / Rokinon 50mm F1.4 AS UMC has no autofocus; you focus it manually.

Does the Samyang / Rokinon 50mm F1.4 AS UMC have image stabilization?

No, the Samyang / Rokinon 50mm F1.4 AS UMC has no stabilization of its own. On cameras with in-body image stabilization (IBIS) the image is still stabilized.

How much does the Samyang / Rokinon 50mm F1.4 AS UMC weigh?

The Samyang / Rokinon 50mm F1.4 AS UMC weighs 520 g. It is 72 mm long with a diameter of 82 mm.

What filter size does the Samyang / Rokinon 50mm F1.4 AS UMC use?

The Samyang / Rokinon 50mm F1.4 AS UMC takes 77 mm screw-in filters.

How close can the Samyang / Rokinon 50mm F1.4 AS UMC focus?

The minimum focus distance of the Samyang / Rokinon 50mm F1.4 AS UMC is 45 cm, measured from the sensor plane.

Is the Samyang / Rokinon 50mm F1.4 AS UMC a full-frame lens?

Yes, the Samyang / Rokinon 50mm F1.4 AS UMC covers full frame. On APS-C cameras its field of view equals 75 mm in full-frame terms.

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