N°104442 · Family detail
Jupiter-21ATelephoto·M42 mount
Jupiter-21A 200mm F/4
Specifications01
MountM42
Focal length200mm
Max aperturef/4
TypeTelephoto · Prime
Field Notes02
Jupiter-21A is a 200mm prime telephoto lens for the M42 mount, with a maximum aperture of f/4. It is typically used for telephoto photography such as portraits or long-distance subjects.
AI-assisted summary — verify against linked sourcesOther Mounts03
This lens family is also indexed in 5 other mounts.