Irix 45mm F/1.4

Specifications01

MountPENTAX K

Focal length45mm

Max aperturef/1.4

TypePrime

Field Notes02

Irix 45mm F/1.4 is a Pentax K-mount prime lens for standard/low-light photography. The wide maximum aperture (f/1.4) supports shallow depth of field and low-light use.

AI-assisted summary — verify against linked sources

Catalog note · source: dpreview

Sources03

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allphotolenses.comVisit ↗

Other Mounts03

This lens family is also indexed in 4 other mounts.