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| Manufacturer | Pentax | Carl Zeiss | Nikon Nikkor | Voigtlander |
|---|---|---|---|---|
| Model | smc FA 43 mm f/1.9 Limited | Tessar T* 45 mm f/2.8 | MF 45 mm f/2.8 P | Ultron 40 mm f/2 SL II Aspherical |
| Lenst style | Wide angle | Wide angle | Normal | Wide angle |
| Focal length | 43 mm | 46.5 mm | 45 mm | 40 mm |
| Maximum aperture | f/1.9 | f/2.8 | f/2.8 | f/2 |
| Angle of view | 53 o | 51 o | 50 o | 57 o |
| Closest focusing distance | 0.45 m | 0.6 m | 0.45 m | 0.38 m |
| Maximum magnification | 1:8.33 | 1:7.6 | 1:7 | |
| Minimum aperture | 22 | 22 | 22 | 22 |
| Diaphragm blades | 8 | 0 | 7 | 9 |
| Auto focus type | AF | MF | MF | MF |
| Lens Construction | 7 elements / 6 group | 4 elements / 3 group | 4 elements / 3 group | 6 elements / 5 group |
| Filter diameter | 49 mm | 49 mm | 52 mm | 52 mm |
| Macro Yes/No | No | No | No | No |
| Stabilization | No | No | No | No |
| Available mounts | Pentax K | Contax & Yashica | Nikon F | Canon EF Nikon F Pentax K |
| Dimensions | 63.5 x 28 mm | 56 x 18 mm | 17 x 61.5 mm | 24.5 x 63 mm |
| Weight | 168 g | 90 g | 120 g | 200 g |
| Additional information | Available in black or silver colour | |||
| Score [max 5.00] | No score | |||
| Our Review |
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