Canon 17-40mm F/4.0 Specs
| Performance |
|---|
| Focal Length | 17 - 40mm |
| Aperture | Maximum: f/4
Minimum: f/22 |
| Camera Mount Type | Canon EF |
| Format Compatibility | 35mm Film / Full-Frame Digital Sensor |
| Angle of View | 104° - 57° 30' |
| Minimum Focus Distance | 11.02" (28 cm) |
| Magnification | 0.24x |
| Maximum Reproduction Ratio | 1:4 |
| Optical Design | 12 Elements in 9 Groups |
| Diaphragm Blades | 7, Rounded |
| Physical |
|---|
| Filter Thread | Front: 77 mm
Rear: |
| Dimensions (DxL) | Approx. 3.29 x 3.81" (83.5 x 96.8 mm) |
| Weight | 1.10 lb (500 g) |
| Packaging Info |
|---|
| Package Weight | 900 gms |
| Box Dimensions (LxWxH) | 7.0 x 5.5 x 5.5" |