The Pentax 01 Standard Prime 8.5mm f/1.9 AL [IF] is a 8 mm prime lens with a maximum aperture of f/1.9 for the Pentax Q mount. Here are its field of view on different sensors, hyperfocal distances and the cameras it fits.
Focal length
8 mm
Max aperture
f/1.9
Mount
Pentax Q
Designed for
5.53× crop
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 8 mm | 4.8 m | 2.4 m | 1.7 m | 1.2 m | 0.8 m |
Circle of confusion 0.005 mm (sensor size the lens is designed for).
Cameras that fit (4)
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Pentax 01 Standard Prime 8.5mm f/1.9 AL [IF] equivalent to on APS-C?
It is designed for a 5.53× sensor, giving a full-frame equivalent of 47 mm.
Which cameras is the Pentax 01 Standard Prime 8.5mm f/1.9 AL [IF] compatible with?
It fits Pentax Q, Pentax Q7, Pentax Q10, Pentax Q-S1 (see the full list above).