N°109449 · Family detail
KonicaTelephoto·KONICA AR mount·1969
Konica Hexanon AR 300mm F/4.5
Specifications01
MountKONICA AR
Focal length300mm
Max aperturef/4.5
TypeTelephoto · Prime
Release year1969
Weight965 g
Filter size72 mm
Min focus distance4 m
Optical elements8
Groups5
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in telescopic round
TeleconvertersKonica Hexanon Teleconverter AR 2X→ 600mm F/9
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeSuper telephoto prime lens
Summary02
Konica Hexanon AR 300mm F/4.5 is a fixed focal-length telephoto prime lens for the Konica AR mount. It’s intended for distant subjects such as sports or wildlife.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Konica AR mount has a flange distance of 40.5 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Sony EAdapter · 22.5 mm
- Canon RFAdapter · 20.5 mm
- Nikon ZAdapter · 24.5 mm
- Fujifilm XAdapter · 22.8 mm
- L-MountAdapter · 20.5 mm
- Micro Four ThirdsAdapter · 21.25 mm
- Fujifilm G (GFX)Adapter · 13.8 mm
Covers full-frame: it can vignette on a medium format sensor.
- Canon EF-MAdapter · 22.5 mm
No plain adapter reaches infinity focus on: Canon EF, Nikon F.

Other Mounts03
No alternate mounts are indexed for this family yet.