Samyang
20mm ƒ/1.8 ED AS UMC
20mm F1.8 ED AS UMC
Samyang 20mm ƒ/1.8 ED AS UMC is a 20mm prime lens for the Fujifilm X mount, equivalent to 30mm on full frame, with a maximum aperture of ƒ/1.8 and manual focus. It weighs 565 g.

Optics
- Type
- Prime · Photo
- Focal length
- 20mm (30mm eq.)
- Angle of view
- 70.3°
- Aperture
- ƒ/1.8 – ƒ/22
- Blades
- 7, rounded
- Aperture ring
- —
- Construction
- 13 el. / 12 gr.
- Special elements
- 2 aspherical
- Designations
- ED · AS · UMC
- Designed for
- Full frame
Focus
- Type
- Manual
- Minimum distance
- 0.20 m
- Magnification
- —
Size and mount
- Diameter × length
- 83 × 114.7 mm
- Weight
- 565 g
- Filter
- 77 mm front
- Mount
- Native X mount
Features
- Yes
- —
- No
- —
History
- Maker
- Samyang · KR
- Announced
- —
- Status
- Current
- Also sold as
- Rokinon 20mm F1.8 Full Frame Wide Angleofficial ↗