Need help?Do you have a question about the Canon EF 50mm1:1.8 and is the answer not in the manual?
Detailed explanation of the Autofocus Drive system used in EF lenses.
Explanation of the Electromagnetic Diaphragm system for aperture control.
Details on data exchange protocols between the camera body and the lens.
Procedure for removing the EMD unit from the EF 15mm f/2.8 lens.
Procedure for removing the AFD unit from the EF 15mm f/2.8 lens.
Methods for adjusting the focus accuracy of the EF 15mm f/2.8 lens.
General| Mount | Canon EF |
|---|---|
| Focal Length | 50mm |
| Maximum Aperture | f/1.8 |
| Minimum Aperture | f/22 |
| Lens Construction | 6 elements in 5 groups |
| Filter Size | 49mm |
| Weight | 130 g (4.6 oz) |
| Number of Diaphragm Blades | 7 |
| Angle of View | 46° |
| Maximum Magnification | 0.21x |
| Minimum Focus Distance | 0.45m |
| Format Compatibility | Full-Frame |
| Dimensions | 69.2 mm x 39.3 mm (2.7 in x 1.5 in) |
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