Samyang
300mm ƒ/6.3 ED UMC CS
300mm F6.3 ED UMC CS
Samyang 300mm ƒ/6.3 ED UMC CS is a 300mm prime lens for the Fujifilm X mount, equivalent to 450mm on full frame, with a maximum aperture of ƒ/6.3 and manual focus. It weighs 320 g.

Optics
- Type
- Prime · Photo
- Specialty
- Mirror
- Focal length
- 300mm (450mm eq.)
- Angle of view
- 5.4°
- Aperture
- ƒ/6.3
- Blades
- —
- Aperture ring
- —
- Construction
- 9 el. / 9 gr.
- Designations
- ED · UMC · CS
- Designed for
- APS-C
Focus
- Type
- Manual
- Minimum distance
- 0.90 m
- Magnification
- —
Size and mount
- Diameter × length
- 64.5 × 74.1 mm
- Weight
- 320 g
- Filter
- 25.5 mm rear
- Mount
- Native X mount
Features
- Yes
- —
- No
- —
History
- Maker
- Samyang · KR
- Announced
- —
- Status
- Current
- Also sold as
- Rokinon 300mm F6.3 Catadioptric Compact Telephoto for Mirrorless Camerasofficial ↗
Mirror (catadioptric) lens; the mirrorless version (9 elements in 9 groups) differs from the DSLR version. The page text also mentions a 58 mm front filter thread and black and silver finishes; Rokinon lists the Fuji X version in black only.