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| Manufacturer | Canon | Nikon Nikkor | Pentax | Voigtlander |
|---|---|---|---|---|
| Model | EF 40 mm f/2.8 STM | MF 45 mm f/2.8 P | smc DA 40 mm f/2.8 Limited | Ultron 40 mm f/2 SL II Aspherical |
| Lenst style | Wide angle | Normal | Telephoto | Wide angle |
| Focal length | 40 mm | 45 mm | 40 mm | 40 mm |
| Maximum aperture | f/2.8 | f/2.8 | f/2.8 | f/2 |
| Angle of view | 56.8 o | 50 o | 39 o | 57 o |
| Closest focusing distance | 0.3 m | 0.45 m | 0.4 m | 0.38 m |
| Maximum magnification | 1:5.5 | 1:7.6 | 1:7.69 | 1:7 |
| Minimum aperture | 22 | 22 | 22 | 22 |
| Diaphragm blades | 7 | 7 | 9 | 9 |
| Auto focus type | AF STM | MF | AF | MF |
| Lens Construction | 6 elements / 4 group | 4 elements / 3 group | 5 elements / 4 group | 6 elements / 5 group |
| Filter diameter | 52 mm | 52 mm | 49 mm | 52 mm |
| Macro Yes/No | No | No | No | No |
| Stabilization | No | No | No | No |
| Available mounts | Canon EF | Nikon F | Pentax K | Canon EF Nikon F Pentax K |
| Dimensions | 68.2 x 22.8 mm | 17 x 61.5 mm | 63 x 15 mm | 24.5 x 63 mm |
| Weight | 130 g | 120 g | 90 g | 200 g |
| Additional information | one aspherical element | Available in black or silver colour | ||
| Score [max 5.00] | ||||
| Our Review |
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