N°104445 · Family detail
Jupiter-21ATelephoto·PENTAX K mount
Jupiter-21A 200mm F/4
Specifications01
MountPENTAX K
Focal length200mm
Max aperturef/4
TypeTelephoto · Prime
Field Notes02
Jupiter-21A is a 200mm fixed focal length prime lens for the Pentax K mount, with a maximum aperture of f/4. It’s typically used for medium to long telephoto shooting such as portraits and distant subjects.
AI-assisted summary — verify against linked sourcesOther Mounts03
This lens family is also indexed in 5 other mounts.