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| Manufacturer | Sigma | Nikon Nikkor | Pentax | Sony |
|---|---|---|---|---|
| Model | 30 mm f/1.4 EX DC HSM | AF 50 mm f/1.4D | smc FA 50 mm f/1.4 | 50 mm f/1.4 |
| Lenst style | Normal | Normal | Normal | Normal |
| Focal length | 30 mm | 50 mm | 50 mm | 50 mm |
| Maximum aperture | f/1.4 | f/1.4 | f/1.4 | f/1.4 |
| Angle of view | 45 o | 46 o | 47 o | 47 o |
| Closest focusing distance | 0.4 m | 0.45 m | 0.45 m | 0.45 m |
| Maximum magnification | 1:10.4 | 1:6.8 | 1:6.7 | 1:6.67 |
| Minimum aperture | 16 | 16 | 22 | 22 |
| Diaphragm blades | 8 | 7 | 8 | 7 |
| Auto focus type | AF HSM | AF | AF | AF |
| Lens Construction | 7 elements / 7 group | 7 elements / 6 group | 7 elements / 6 group | 7 elements / 6 group |
| Filter diameter | 62 mm | 52 mm | 49 mm | 55 mm |
| Macro Yes/No | No | No | No | No |
| Stabilization | No | No | No | No |
| Available mounts | Nikon F Sony A / Minolta Sigma Pentax K Four Thirds Canon EF-S |
Nikon F | Pentax K | Sony A / Minolta |
| Dimensions | 76.6 x 59 mm | 64.5 x 42.5 mm | 63.5 x 38 mm | 65.5 x 43 mm |
| Weight | 430 g | 230 g | 273 g | 220 g |
| Additional information | 2 SLD elements and 1 hybrid aspherical lens | Marketed 1995 | ||
| Score [max 5.00] | ||||
| Our Review |
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