N°102852 · Family detail
SigmaFisheye·PENTAX K mount
Sigma 4.5mm F/2.8 EX DC HSM Circular Fisheye
Specifications01
MountPENTAX K
Focal length4mm
Max aperturef/2.8
TypeFisheye · Wide · Prime
Weight470 g
Physical length78 mm
Min focus distance14 m
Field Notes02
Sigma 4.5mm f/2.8 circular fisheye prime for Pentax K, an ultra-wide lens intended for creative wide-angle and distortion effects. Works for low-light wide-angle shooting at its maximum aperture.
AI-assisted summary — verify against linked sourcesSources03
dpreview.comVisit ↗
Other Mounts03
This lens family is also indexed in 4 other mounts.