Sigma AF 50mm F1.4 EX DG HSM Lens
The Sigma 50mm f/1.4 HSM is a 50mm f/1.4 lens designed for Canon EF, Nikon F, Sony A, Pentax K, Sigma SA mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.
Sigma AF 50mm F1.4 EX DG HSM Lens
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Lens Overview — Sigma 50mm f/1.4 HSM
Key Features — Sigma 50mm f/1.4 HSM
f/1.4 Maximum Aperture: Allows strong light gathering in low-light situations and provides precise control over depth of field for subject separation.
50mm Full-Frame Coverage: Standard focal length equivalent to roughly the human field of view, suitable for portraits, street, and everyday photography on full-frame and APS-C DSLR bodies.
HSM Autofocus Motor: Hyper Sonic Motor delivers fast, quiet autofocus operation with full-time manual focus override without switching modes.
EX Series Build Quality: Sigma's EX designation indicates a higher-grade construction with a solid, substantial feel and tighter manufacturing tolerances.
Five-Mount Compatibility: Available in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, making it accessible across a wide range of DSLR systems.
77mm Filter Thread: Widely standardized filter diameter that works with a broad selection of filters and accessories already common in most photographers' kits.
Lens Specifications — Sigma 50mm f/1.4 HSM
| Spec | Detail |
|---|---|
| Use Cases | Portrait, Street, Studio, Product |
| Lens Type | Prime |
| Format | Full Frame |
| Zoom/Prime | Prime |
| Focal Length | 50mm |
| Maximum Aperture | f/1.4 |
| Camera System | DSLR |
| Lens Mount | Canon EF, Nikon F, Sony A, Pentax K, Sigma SA |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | None |
| Filter Thread | 77mm |
Description — Sigma 50mm f/1.4 HSM
The Sigma AF 50mm F1.4 EX DG HSM is a prime lens built for full-frame DSLR cameras, featuring a 50mm focal length and a fast f/1.4 maximum aperture. It is compatible with Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, making it one of the more broadly compatible 50mm options available in the DSLR space. The lens supports both autofocus and manual focus, giving photographers control over their preferred focusing method.
With a 77mm filter thread, it pairs easily with a wide range of filter systems. Weighing 505g, it has a substantive feel consistent with its EX-series build. Note that this lens does not include image stabilization, so users should factor that into their handheld shooting approach, particularly in lower-light environments where the wide f/1.4 aperture will do much of the work.
Pros — Sigma 50mm f/1.4 HSM
- ✓Wide f/1.4 maximum aperture provides strong light-gathering capability for a 50mm prime
- ✓Full-frame compatible lens format works with both full-frame and APS-C DSLR bodies
- ✓Broad mount compatibility covers Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA systems
Cons — Sigma 50mm f/1.4 HSM
- ✗No image stabilization, which may limit handheld shooting in very low light at slower shutter speeds
- ✗At 505g, this is a relatively heavy lens for a standard 50mm prime
- ✗Fixed 50mm focal length offers no zoom flexibility for framing adjustments
Videos — Sigma 50mm f/1.4 HSM
The BEST 50mm Lens for the Money - My NEW Favourite Lens!! (Real world test) — Mark McGee Photos