Sigma AF 50-500mm F4-6.3 D EX DG APO HSM Lens
The Sigma 50-500mm f/4-6.3 D APO HSM is a 50–500mm f/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 50-500mm F4-6.3 D EX DG APO HSM Lens
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Lens Overview — Sigma 50-500mm f/4-6.3 D APO HSM
Key Features — Sigma 50-500mm f/4-6.3 D APO HSM
50-500mm Focal Range: A single lens covers everything from standard telephoto to extreme wildlife or sports reach, eliminating the need to swap glass in the field.
HSM Autofocus Motor: Sigma's Hypersonic Motor delivers fast, quiet autofocus for tracking moving subjects at long focal lengths.
APO Apochromatic Design: Apochromatic optical construction minimizes chromatic aberration and color fringing, particularly important at 500mm telephoto reach.
EX DG Build Quality: Sigma's EX series denotes professional-grade construction with quality optics, while DG designation confirms full-frame sensor compatibility.
f/4–6.3 Variable Aperture: Opens to f/4 at 50mm and stops down to f/6.3 at 500mm, typical of this zoom range class.
86mm Filter Thread: Large-diameter filter thread accepts standard 86mm filters, including polarizers and ND filters, for in-field light control.
Lens Specifications — Sigma 50-500mm f/4-6.3 D APO HSM
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Sports, Travel |
| Lens Type | Zoom |
| Format | Full Frame |
| Zoom/Prime | Zoom |
| Focal Length | 50–500mm |
| Maximum Aperture | f/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 | 86mm |
Description — Sigma 50-500mm f/4-6.3 D APO HSM
The Sigma AF 50-500mm F4-6.3 D EX DG APO HSM is a full-frame telephoto zoom lens built for DSLR systems, offering a focal length range that stretches from 50mm all the way to 500mm. This wide zoom span makes it a versatile choice for photographers who want significant reach without switching lenses. The maximum aperture of f/4 at the wide end provides reasonable light-gathering capability, though it narrows to f/6.3 at the 500mm end of the range.
Autofocus and manual focus are both supported, giving users control over how they acquire focus depending on the shooting scenario. The 86mm filter thread is large but consistent with the optical requirements of a lens in this class. At 1,970g, this lens has a serious presence in hand and in a camera bag.
It is available in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, ensuring broad compatibility across the DSLR ecosystem. Note that image stabilization is not included in this lens design.
Pros — Sigma 50-500mm f/4-6.3 D APO HSM
- ✓Extremely versatile focal length range from 50mm to 500mm (specifications: minFocalLength / maxFocalLength)
- ✓Wide maximum aperture of f/4 at the short end of the zoom range (specifications: maximumAperture)
- ✓Broad mount compatibility across Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA systems (specifications: mount.lens)
Cons — Sigma 50-500mm f/4-6.3 D APO HSM
- ✗No image stabilization included, which can be challenging at longer focal lengths (specifications: imageStabilization: None)
- ✗At 1,970g, the lens is quite heavy and may require additional support for extended use (specifications: weight)
- ✗Aperture narrows to f/6.3 at 500mm, limiting light intake at maximum reach (specifications: maximumAperture / maxFocalLength)
Reviews — Sigma 50-500mm f/4-6.3 D APO HSM
Videos — Sigma 50-500mm f/4-6.3 D APO HSM
Sigma 50-500mm f/4.5-6.3 OS HSM lens review with samples (APS-C and full-frame) — Christopher Frost