Kiyohara Kogaku 50mm F/4.5 Soft

Specifications01

MountT MOUNT

Focal length50mm

Max aperturef/4.5

TypePrime

Release year1987

Weight125 g

Min focus distance0.5 m

Aperture blades10

Optical elements2

Groups1

AutofocusNo

StabilizationNo

Aperture controlDial-set aperture ring

TeleconvertersNot available

Production statusDiscontinued

Additional Info02

Lens TypePrime lens

Field Notes02

50mm prime lens with a maximum aperture of f/4.5 for T-mount. Marked as a “Soft” lens, intended for a softened rendering/portrait-like look at typical prime focal length.

AI-assisted summary — verify against linked sources

Catalog note · source: thelensdb

Sources03

thelensdb.comVisit ↗

Other Mounts03

No alternate mounts are indexed for this family yet.