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|---|---|
| Filter Thread | Front: 77 mm |
| Dimensions (DxL) | Approx. 3.54 x 3.66" (90.0 x 93.0 mm) |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
|---|---|
| Angle of View | 99.9° |
| Minimum Focus Distance | 9.84" (25 cm) |
| Focal Length | 18mm |
| Elements/Groups | 14/12 |
| Maximum Reproduction Ratio | 1:7.4 |
| Aperture | Maximum: f/2.8Minimum: f/22 |
| Camera Mount Type | Canon EF |
| Autofocus | No |
|---|