Super-quiet and fast auto-focus (HSM) makes for a lens larger than most f/1.4s. Slightly sharper by a hair than the others—price is higher, too.
Similar in size, features, and price (though not format) to Sigma's 30mm f/1.4 high-speed "normal" prime for DSLRs with APS-C sensors, this 50mm full-framer ($500, street) also belongs to Sigma's EX family of pro-quality glass. Unusually expensive compared with 50mm f/1.4 glass from Canon, Nikon, Pentax, and Sony (the Pentax streets for $200), the Sigma scales up to an 80mm on most DSLRs, and is available in all popular mounts except Four Thirds.
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Read more| Lens Type: | Prime |
| Compatibility: | Full Frame |
| Range: | Normal |
| Mount: | Canon Four Thirds Nikon Pentax Sigma Sony |
| Auto Focus: | Yes |
| Full-Time Manual Focus Override: | Yes |
| Silent AF: | Yes |
| Zoom: | No |
| Minimum Focal Length: | 50 mm |
| Maximum Focal Length: | 50 mm |
| Fastest Aperture: | f/1.4 |
| Slowest Aperture: | f/16.0 |
| Image Stabilization: | No |
| Elements: | 8 |
| Groups: | 6 |
| Filter Size: | 77mm |
| Length: | 2.7 inches |
| Weight: | 17.8 ounces |
| Price: | $500.00 |
| Tripod Collar: | No |
| Included Case: | No |
| Macro: | No |
| Tilt/Shift: | No |
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