N°102996 · Family detail
CosinaPrime·CANON EF mount·2007
Cosina Voigtlander Ultron 40mm F/2 ASPH SL II
Specifications01
MountCANON EF
Focal length40mm
Max aperturef/2
TypePrime
Release year2007
Weight200 g
Filter size52 mm
Min focus distance0.38 m
Max magnification0.1429
Aperture blades9
Optical elements6
Groups5
AutofocusNo
StabilizationNo
Aperture controlNone
The aperture is controlled from the camera(Canon EF)
Aperture ring (Manual settings + Auto Exposure setting)(Nikon F, Pentax K)
Lens hoodScrew-type dome-shaped
TeleconvertersNot available
EraDigital era
Production statusDiscontinued
Additional Info02
Lens TypeWide-angle prime lens
Field Notes02
Ultron 40mm f/2 ASPH SL II is a 40mm prime lens for Canon EF mount, offering a fast f/2 maximum aperture for low-light and general-purpose photography.
AI-assisted summary — verify against linked sourcesOther Mounts03
This lens family is also indexed in 2 other mounts.