The Sun Wide YS-28 28mm f/2.8 is a 28 mm prime lens with a maximum aperture of f/2.8 for the Olympus OM, T2 mounts. Here are its field of view on different sensors, hyperfocal distances and the cameras it fits.
Focal length
28 mm
Max aperture
f/2.8
Mount
Olympus OM
Designed for
2.00× crop
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| Canon APS-C (1.6×) | 51.6° | 45 mm |
| Micro Four Thirds | 42.2° | 56 mm |
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 28 mm | 19 m | 9.4 m | 6.6 m | 4.8 m | 3.3 m |
Circle of confusion 0.015 mm (sensor size the lens is designed for).
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Sun Wide YS-28 28mm f/2.8 equivalent to on APS-C?
It is designed for a 2.00× sensor, giving a full-frame equivalent of 56 mm.