  |  |  | |
| Editiorial reviews | |||
| User rating |
| Lens type | Normal |
| Normal |
|---|---|---|---|
| Lens mount |
| Canon EF |
|
| Max Format size | Full-frame | Full-frame | Full-frame |
|---|---|---|---|
| Focal length | < 50 | < 50 | < 150 |
| Maximum magnification | 0.15 x | 0.21 x | 1.0 x |
| Image stabilisation | no | no | no |
| Angle of View 35mm Equivalent | N/A | < 46 | N/A |
| Aperture max | 1.4 | 1.8 | 2.9-2.8 |
|---|---|---|---|
| Aperture min | 22 | 22 | 22 |
| Aperture ring | no | no | yes |
| Number of diaphragm blades | 8 | 7 | 9 |
| Aperture features | N/A | Rounded diaphragm | N/A |
| Focus method | Unit | Internal | Internal |
|---|---|---|---|
| Autofocus | yes | yes | yes |
| Autofocus motor type | Ultrasonic | STP | Ring Type Ultrasonic |
| Full-time Manual focusing | yes | yes | yes |
| Closest focusing distance | 0.45 | 0.35 | 0.38 |
| Distance scale | N/A | no | yes |
| Depth of field (DoF) scale | N/A | no | no |
| Focus distance limiter | N/A | no | yes |
| Focus features | N/A | N/A | Floating focus |
| Construction | Fixed | Fixed | N/A |
|---|---|---|---|
| Elements | 8 | 6 | 16 |
| Groups | 6 | 5 | 12 |
| Special elements / coatings |
| N/A | 2 SLD elements |
| Colour of product | Black | Black | N/A |
|---|---|---|---|
| Body materials |
| N/A | N/A |
| Tripod collar | no | no | yes |
| Hood supplied | yes | no | yes |
| Filter thread | yes | yes | N/A |
| Sealing | no | no | no |
| Lens Cap Type | N/A | E-49 | N/A |
| Weight | 10.23 oz | 5.64 oz | 31.57 oz |
|---|---|---|---|
| Diameter | 2.91 in | 2.72 in | 3.15 in |
| Length | 1.99 in | 1.55 in | 5.39 in |
| Filter size | 2.91 in | 1.93 in | 2.83 in |
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