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Samyang / Rokinon 50mm F1.4 AS UMC

Sony E

Samyang / Rokinon 50mm F1.4 AS UMC

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

Sony E-mount full-frame cameras get a 50 mm standard prime with an f/1.4 maximum aperture here. The wide opening allows short shutter times and a shallow depth of field. Focus and aperture are set manually, and a hybrid aspherical element is built in. It focuses down to 45 cm and suits everyday use, 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
565 g (1.25 lb)
Filter diameter
77 mm
Min. focus distance
45 cm (17.72 in)
Length
101 mm (3.98 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 Sony E-Mount cameras. On full-frame bodies it uses the whole sensor; on APS-C Sony E-Mount cameras its field of view equals 75 mm in full-frame terms.

Sony E-Mount cameras

Full frame:
Sony A7R VI,Sony A7 V,Sony FX2,Sony A1 II,Sony A9 III,Sony A7C II,Sony A7CR,Sony ZV-E1,Sony A7R V,Sony A7 IV,Sony A1,Sony FX3,Sony A7S III,Sony A7C,Sony FX6,Sony A7R IV (A7R IVA),Sony A9 II,Sony FX9,Sony A7 III,Sony A7R III (A7R IIIA),Sony A9,Sony A7R II,Sony A7S II,Sony A7 II,Sony A7S,Sony A7,Sony A7R
APS-C:
Sony ZV-E10 II,Sony A6700,Sony FX30,Sony ZV-E10,Sony A6600,Sony A6100,Sony A6400,Sony A6500,Sony A6300,Sony QX1 (ILCE-QX1),Sony A6000,Sony A5100,Sony A3500,Sony A5000,Sony A3000,Sony NEX-5T,Sony NEX-3N,Sony NEX-6,Sony NEX-5R,Sony NEX-F3,Sony NEX-7,Sony NEX-5N,Sony NEX-C3,Sony NEX-5,Sony NEX-3

Samyang / Rokinon 50mm F1.4 AS UMC compared

Key specs side by side with the most similar Sony E-Mount lenses.

LensSamyang / Rokinon 50mm F1.4 AS UMCAstrHori 50mm f/1.4 TiltSamyang 50mm F1.4 AS UMCTTArtisan 50mm f/1.4 ASPH
Focal length50 mm50 mm50 mm50 mm
Max. aperturef/1.4f/1.4f/1.4f/1.4
Weight565 g320 g565 g457 g
Filter diameter77 mm52 mm77 mm49 mm
Min. focus distance45 cm40 cm45 cm50 cm
Length101 mm70 mm100.7 mm69 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 565 g. It is 101 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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