N°421456 · Family detail
PentaxFisheye·PENTAX K mount·1984
Smc Pentax-A 16mm F/2.8 Fish-eye
Specifications01
MountPENTAX K
Focal length16mm
Max aperturef/2.8
TypeFisheye · Wide · Prime
Release year1984
Weight320 g
Min focus distance0.2 m
Max magnification0.1499
Aperture blades6
Optical elements9
Groups7
AutofocusNo
StabilizationNo
Aperture controlAperture ring (Manual settings + Auto Exposure setting)
Lens hoodBuilt-in petal-shaped
TeleconvertersPentax Rear Converter-A 1.4X-S→ 22.4mm F/3.9
Pentax Rear Converter-A 2X-S→ 32mm F/5.6
EraFilm era
Production statusDiscontinued
Additional Info02
Lens TypeFisheye lens
Summary02
Pentax K-mount SMC Pentax-A 16mm f/2.8 fisheye lens. Fixed 16mm focal length for extreme wide-angle fisheye effects; usable in low-light due to f/2.8 maximum aperture.
AI-assisted summary — verify against linked sourcesWhere can this lens be adapted?
The Pentax K mount has a flange distance of 45.46 mm. A plain adapter fits a camera whose flange distance is at least 1.46 mm shorter. How lens adapters work
- Pentax DA and FA J lenses have no aperture ring. Use an adapter with its own aperture control.
- Pentax DA lenses are made for APS-C.
- Sony EAdapter · 27.46 mm
- Canon RFAdapter · 25.46 mm
- Nikon ZAdapter · 29.46 mm
- Fujifilm XAdapter · 27.76 mm
- L-MountAdapter · 25.46 mm
- Micro Four ThirdsAdapter · 26.21 mm
- Fujifilm G (GFX)Adapter · 18.76 mm
- Canon EF-MAdapter · 27.46 mm
- Canon EFAdapter · 1.46 mm
A rear element that sticks out can hit the camera mirror.
No plain adapter reaches infinity focus on: Nikon F.
Sources03
thelensdb.comVisit ↗
Other Mounts03
No alternate mounts are indexed for this family yet.