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Canon groothoek objectief van 28mm en een lichtsterkte/f-getal/diafragmawaarde van 1,8. EF staat voor Electric Focus. USM staat voor Ultra Sonic Motor.
- Optical structure (lenses / groups): 9/7
- Number of aperture blades: 7
- Smallest aperture: 22
- Minimum focusing distance (m): 0.23
- Largest magnification: 0.2
- Distance information: yes
- Image stabilizer: 4 levels
- AF motor: ring USM
| Detail | Value |
|---|---|
| Focusmode | Manualfocus |
| Filter Diameter (mm) | 58 |
| Imagestabilizer | No |
| Aperture | 1.8 |
| Min. Focal Length (mm) | 28 |
| Max. Focal Length (mm) | 28 |
| Lenstype | Fixed focal lenght |
| Closest Focuspoint (m) | 0,25 |
| Image Circle | FF |
| Lens Mount | EF |
| Focal Length (mm) | 28 - 28 |