The Meyer-Optik Görlitz Helioplan 40mm f/4.5 is a 40 mm prime lens with a maximum aperture of f/4.5 for the M42 mount. Here are its field of view on different sensors, hyperfocal distances and the cameras it fits.
Focal length
40 mm
Max aperture
f/4.5
Mount
M42
Designed for
Full frame
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| Full frame | 56.8° | 40 mm |
| APS-C (1.5×) | 38.9° | 61 mm |
| Canon APS-C (1.6×) | 37.4° | 64 mm |
| Micro Four Thirds | 30.3° | 80 mm |
Hyperfocal distance
| Focal length | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|
| 40 mm | 9.6 m | 6.7 m | 4.9 m | 3.4 m |
Circle of confusion 0.030 mm (sensor size the lens is designed for).
Cameras that fit (2)
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Meyer-Optik Görlitz Helioplan 40mm f/4.5 equivalent to on APS-C?
About 60 mm (1.5×) or 64 mm on Canon APS-C (1.6×).
Which cameras is the Meyer-Optik Görlitz Helioplan 40mm f/4.5 compatible with?
It fits KMZ Zenit 122, KMZ Zenit 412LS (see the full list above).