  |  |  | |
| Editiorial reviews | |||
| User rating |
| Lens type | Normal | Normal | Normal |
|---|---|---|---|
| Lens mount | Canon EF |
|
|
| Max Format size | Full-frame | Full-frame | Full-frame |
|---|---|---|---|
| Focal length | < 40 | < 50 | < 85 |
| Maximum magnification | 0.18 x | 0.15 x | N/A |
| Image stabilisation | no | no | no |
| Aperture max | 2.8 | 1.4 | 1.4 |
|---|---|---|---|
| Aperture min | 22 | 22 | 22 |
| Aperture ring | no | no | yes |
| Number of diaphragm blades | 7 | 8 | N/A |
| Focus method |
| Unit | N/A |
|---|---|---|---|
| Autofocus | yes | yes | no |
| Autofocus motor type | STP | Ultrasonic | N/A |
| Full-time Manual focusing | yes | yes | N/A |
| Closest focusing distance | 0.3 | 0.45 | 1 |
| Distance scale | no | N/A | yes |
| Depth of field (DoF) scale | no | N/A | no |
| Construction | Fixed | Fixed | N/A |
|---|---|---|---|
| Elements | 6 | 8 | 9 |
| Groups | 4 | 6 | 7 |
| Special elements / coatings | 1 Aspherical element |
| 1 Aspherical element |
| Colour of product | Black | Black | N/A |
|---|---|---|---|
| Tripod collar | no | no | no |
| Hood supplied | no | yes | N/A |
| Filter thread | yes | yes | N/A |
| Sealing | no | no | no |
| Body materials | N/A |
| N/A |
| Weight | 4.59 oz | 10.23 oz | 19.01 oz |
|---|---|---|---|
| Diameter | 2.69 in | 2.91 in | 3.07 in |
| Length | 0.9 in | 1.99 in | 2.95 in |
| Filter size | 2.05 in | 2.91 in | 2.83 in |
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