The Schneider-Kreuznach Retina-Xenon 50mm f/1.9 is a 50 mm prime lens with a maximum aperture of f/1.9 for the DKL mount. Here are its field of view on different sensors, hyperfocal distances and the cameras it fits.
Focal length
50 mm
Max aperture
f/1.9
Mount
DKL
Designed for
Full frame
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| Full frame | 46.8° | 50 mm |
| APS-C (1.5×) | 31.6° | 76 mm |
| Canon APS-C (1.6×) | 30.3° | 80 mm |
| Micro Four Thirds | 24.4° | 100 mm |
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 50 mm | 30 m | 15 m | 10 m | 7.6 m | 5.3 m |
Circle of confusion 0.030 mm (sensor size the lens is designed for).
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Schneider-Kreuznach Retina-Xenon 50mm f/1.9 equivalent to on APS-C?
About 75 mm (1.5×) or 80 mm on Canon APS-C (1.6×).