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Samyang / Rokinon 85mm F1.8 ED UMC CS

Sony E

Samyang / Rokinon 85mm F1.8 ED UMC CS

Focal length
85 mm
Aperture
f/1.8
Weight
344 g
Filter diameter
62 mm
Min. focus distance
65 cm
Length
80.7 mm
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At a Glance

On Sony E-mount APS-C cameras, the 85 mm focal length gives a full-frame equivalent of 128 mm. This telephoto prime opens to f/1.8 and is compact at 344 g. Focusing is manual, and the closest focus of 65 cm gives a magnification of 1:5.88 (0.17x). It is suited to portraits, landscape and travel.

Good for

  • Portraits
  • Landscape
  • Travel

Worth knowing

  • APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
  • 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
85 mm
Max. focal length
85 mm
Max. aperture (min. zoom)
f/1.8
Max. aperture (max. zoom)
f/1.8
Min. aperture
f/22
Elements
9
Groups
7
Weight
344 g (0.76 lb)
Filter diameter
62 mm
Min. focus distance
65 cm (25.59 in)
Max. magnification
1:5.9 (0.17×)
Length
80.7 mm (3.18 in)
Diameter
67.5 mm (2.66 in)
Released
September 2018

Manufacturer data: lksamyang.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 85mm F1.8 ED UMC CS fit?

The Samyang / Rokinon 85mm F1.8 ED UMC CS is designed for APS-C sensors. On APS-C Sony E-Mount cameras its field of view equals 128 mm in full-frame terms. Full-frame bodies use it in APS-C (crop) mode, recording only part of the sensor and fewer megapixels.

Sony E-Mount cameras

Full frame (in APS-C mode):
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 85mm F1.8 ED UMC CS compared

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

LensSamyang / Rokinon 85mm F1.8 ED UMC CSLensbaby Velvet 85mm f/1.8Viltrox AF 90mm F2.2 EVOSamyang / Rokinon 85mm F1.4 Aspherical IF
Focal length85 mm85 mm90 mm85 mm
Max. aperturef/1.8f/1.8f/2.2f/1.4
Weight344 g530 g320 g570 g
Filter diameter62 mm67 mm58 mm72 mm
Min. focus distance65 cm23 cm74 cm110 cm
Length80.7 mm89 mm76 mm101 mm
Autofocusnonoyesno
Image stabilizationnononono
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Samyang / Rokinon 85mm F1.8 ED UMC CS: FAQ

Does the Samyang / Rokinon 85mm F1.8 ED UMC CS have autofocus?

No, the Samyang / Rokinon 85mm F1.8 ED UMC CS has no autofocus; you focus it manually.

Does the Samyang / Rokinon 85mm F1.8 ED UMC CS have image stabilization?

No, the Samyang / Rokinon 85mm F1.8 ED UMC CS 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 85mm F1.8 ED UMC CS weigh?

The Samyang / Rokinon 85mm F1.8 ED UMC CS weighs 344 g. It is 80.7 mm long with a diameter of 67.5 mm.

What filter size does the Samyang / Rokinon 85mm F1.8 ED UMC CS use?

The Samyang / Rokinon 85mm F1.8 ED UMC CS takes 62 mm screw-in filters.

How close can the Samyang / Rokinon 85mm F1.8 ED UMC CS focus?

The minimum focus distance of the Samyang / Rokinon 85mm F1.8 ED UMC CS is 65 cm, measured from the sensor plane.

Is the Samyang / Rokinon 85mm F1.8 ED UMC CS a full-frame lens?

No, the Samyang / Rokinon 85mm F1.8 ED UMC CS is an APS-C lens. On APS-C cameras its field of view equals 128 mm in full-frame terms.

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