Cosina Voigtlander ULTRA WIDE-HELIAR 12mm F/5.6 ASPH

Specifications01

MountM39

Focal length12mm

Max aperturef/5.6

TypeWide · Prime

Release year2000

Weight162 g

Min focus distance0.3 m

Aperture blades9

Optical elements10

Groups8

AutofocusNo

StabilizationNo

Aperture controlAperture ring

Lens hoodClamp-on petal-shaped with set screw

EraFilm era

Production statusDiscontinued

Additional Info02

Lens TypeUltra-wide angle prime lens

Field Notes02

12mm f/5.6 ultrawide prime lens for M39 rangefinder cameras. Intended for wide-angle landscape and architectural use with fixed focus typical of this class.

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.