Sigma 50mm F1.4 EX DG HSM Overview
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The Sigma 50mm F1.4 EX DG HSM is a fast prime that behaves like a classic 'normal' lens on full frame, and a short telephoto portrait lens on APS-C cameras. It offers impressive central sharpness at large apertures, coupled with unusually low vignetting for its class due to its oversized optics; however this also means it’s rather large. Build quality is excellent, and the lens is available in versions to fit every SLR on the market.
| Lens type | Prime lens |
| Focal length | 50 mm |
| Image stab. | No |
| Lens mount | Canon EF, Four Thirds, Nikon F (FX), Pentax KAF3, Sigma SA Bayonet, Sony/Minolta Alpha |
| Max aperture | F1.4 |
| Min aperture | F16 |
| Min focus | 0.45 m (17.72″) |
| Max magnification | 0.14× |
| Weight | 505 g (1.11 lb) |
| Length | 68 mm (2.69″) |
The Sigma 50mm 1.4 has smooth out-of-focus backgrounds, improved sharpness at large apertures, and lessened vignetting due to its large lens barrel. It's a far better portrait lens on APS-C than legacy primes designed for 35mm film, as well as an extremely competent standard on 35mm full-frame.
Good for: Those looking for a sharp, fast normal lens with quick autofocus and good build quality -- especially APS-C camera owners in search of the perfect portrait lens.
Not so good for: Anyone who wants their prime lenses to be small and lightweight.
06:18 (29 Nov, 2013)
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