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Samyang / Rokinon AF 45mm F1.8 FE

Sony E Autofocus

Samyang / Rokinon AF 45mm F1.8 FE

Focal length
45 mm
Aperture
f/1.8
Weight
162 g
Filter diameter
49 mm
Min. focus distance
45 cm
Length
56.1 mm
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At a Glance

This 45 mm standard prime for full frame Sony E-Mount opens to f/1.8, which allows shorter shutter times in low light. At 162 g it is compact, and its autofocus uses a linear motor with internal focusing. The minimum focus distance is 45 cm. It suits everyday shooting, street work, travel and dim scenes.

Good for

  • Everyday
  • Street
  • Low light
  • Travel

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

Technical Specifications

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Min. focal length
45 mm
Max. focal length
45 mm
Max. aperture (min. zoom)
f/1.8
Max. aperture (max. zoom)
f/1.8
Min. aperture
f/22
Elements
7
Groups
6
Weight
162 g (0.36 lb)
Filter diameter
49 mm
Min. focus distance
45 cm (17.72 in)
Max. magnification
1:8.3 (0.12×)
Length
56.1 mm (2.21 in)
Diameter
61.8 mm (2.43 in)
Released
May 2019

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 AF 45mm F1.8 FE fit?

The Samyang / Rokinon AF 45mm F1.8 FE 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 68 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 AF 45mm F1.8 FE compared

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

LensSamyang / Rokinon AF 45mm F1.8 FE7Artisans AF 50mm F1.8Sony FE 50mm F1.8Yongnuo YN 50mm F1.8 DF DSM II
Focal length45 mm50 mm50 mm50 mm
Max. aperturef/1.8f/1.8f/1.8f/1.8
Weight162 g421 g186 g273 g
Filter diameter49 mm62 mm49 mm58 mm
Min. focus distance45 cm50 cm45 cm45 cm
Length56.1 mm104 mm59.5 mm79 mm
Autofocusyesyesyesyes
Image stabilizationnononono
Open these lenses in the comparison and add more

Samyang / Rokinon AF 45mm F1.8 FE: FAQ

Does the Samyang / Rokinon AF 45mm F1.8 FE have autofocus?

Yes, the Samyang / Rokinon AF 45mm F1.8 FE has autofocus.

Does the Samyang / Rokinon AF 45mm F1.8 FE have image stabilization?

No, the Samyang / Rokinon AF 45mm F1.8 FE 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 AF 45mm F1.8 FE weigh?

The Samyang / Rokinon AF 45mm F1.8 FE weighs 162 g. It is 56.1 mm long with a diameter of 61.8 mm.

What filter size does the Samyang / Rokinon AF 45mm F1.8 FE use?

The Samyang / Rokinon AF 45mm F1.8 FE takes 49 mm screw-in filters.

How close can the Samyang / Rokinon AF 45mm F1.8 FE focus?

The minimum focus distance of the Samyang / Rokinon AF 45mm F1.8 FE is 45 cm, measured from the sensor plane.

Is the Samyang / Rokinon AF 45mm F1.8 FE a full-frame lens?

Yes, the Samyang / Rokinon AF 45mm F1.8 FE covers full frame. On APS-C cameras its field of view equals 68 mm in full-frame terms.

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