Samyang / Rokinon 8mm F2.8 UMC Fisheye II

Focal length: 8 mm
Aperture: f/2.8
Weight: 265 g
Filter diameter: –
Min. focus distance: 30 cm
Length: 64.5 mm

At a Glance

On Sony E-mount with an APS-C sensor, this 8 mm fisheye gives a full-frame equivalent of 12 mm. Straight lines are rendered curved by its design. The aperture is f/2.8, focusing is by hand, and the weight is 265 g. It focuses down to 30 cm. It fits creative ideas and action shots.

Good for

Creative
Action

Worth knowing

APS-C image circle: on full-frame cameras only usable in crop mode, at reduced resolution.
Fisheye projection: straight lines away from the center are rendered curved.

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

Technical Specifications

Min. focal length: 8 mm
Max. focal length: 8 mm
Max. aperture (min. zoom): f/2.8
Max. aperture (max. zoom): f/2.8
Min. aperture: f/22
Elements: 11
Groups: 8
Weight: 265 g (0.58 lb)
Filter diameter: –
Min. focus distance: 30 cm (11.81 in)
Length: 64.5 mm (2.54 in)
Diameter: 60 mm (2.36 in)

Manufacturer data: samyanglens.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 8mm F2.8 UMC Fisheye II fit?

The Samyang / Rokinon 8mm F2.8 UMC Fisheye II is designed for APS-C sensors. On APS-C Sony E-Mount cameras its field of view equals 12 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