Samyang 50mm F/1.4 AS UMC / Rokinon 50mm F/1.4 AS IF UMC

Specifications01

MountPENTAX K

Focal length50mm

Max aperturef/1.4

TypePortrait · Prime

Weight535 g

Physical length75 mm

Min focus distance45 m

Field Notes02

50mm prime lens for Pentax K-mount, with a maximum aperture of f/1.4 for low-light and shallow depth-of-field portrait use. Manual-focus design (AS UMC/AS IF UMC versions).

AI-assisted summary — verify against linked sources

Catalog note · source: dpreview

Sources03

dpreview.comVisit ↗

Other Mounts03

This lens family is also indexed in 4 other mounts.

CANON EFView lens

Samyang 50mm F/1.4 AS UMC / Rokinon 50mm F/1.4 AS IF UMC

50mmf/1.42015

MINOLTA/SONY AView lens

Samyang 50mm F/1.4 AS UMC / Rokinon 50mm F/1.4 AS IF UMC

50mmf/1.4

NIKON FView lens

Samyang 50mm F/1.4 AS UMC / Rokinon 50mm F/1.4 AS IF UMC

50mmf/1.4

SONY EView lens

Samyang 50mm F/1.4 AS UMC / Rokinon 50mm F/1.4 AS IF UMC

50mmf/1.4