Sigma AF 70-300mm F4-5.6 DG OS Lens
The Sigma 70-300mm f/4-5.6 is a 70–300mm f/4 lens designed for Canon EF, Nikon F, Sony A mount cameras. Used copies start from $62.22 on GearFocus, with buyer protection on every purchase.
Sigma AF 70-300mm F4-5.6 DG OS Lens
Used Sigma 70-300mm f/4-5.6 Listings on GearFocus
Lens Overview — Sigma 70-300mm f/4-5.6
Key Features — Sigma 70-300mm f/4-5.6
70-300mm Zoom Range: Covers a versatile telephoto range well-suited for sports, wildlife, and travel photography.
Optical Image Stabilization: Built-in OS system helps reduce camera shake for sharper handheld shots across the zoom range.
Full-Frame Compatible: Covers the full-frame image circle, making it usable on both full-frame and APS-C DSLR bodies within the same mount ecosystem.
Variable f/4-5.6 Aperture: Opens to f/4 at the wide end and f/5.6 at 300mm, balancing light intake with a compact form factor.
Autofocus with Manual Override: Supports both AF and MF modes, giving shooters the flexibility to switch based on the situation.
Three Mount Options: Available in Canon EF, Nikon F, and Sony A mounts, covering a wide range of DSLR systems.
Lens Specifications — Sigma 70-300mm f/4-5.6
| Spec | Detail |
|---|---|
| Use Cases | Wildlife, Sports, Travel, Portrait |
| Lens Type | Zoom |
| Format | Full Frame |
| Zoom/Prime | Zoom |
| Focal Length | 70–300mm |
| Maximum Aperture | f/4 |
| Camera System | DSLR |
| Lens Mount | Canon EF, Nikon F, Sony A |
| Autofocus | Yes |
| Focus Type | Auto, Manual |
| Image Stabilization | Optical |
| Filter Thread | 58mm |
Description — Sigma 70-300mm f/4-5.6
The Sigma AF 70-300mm F4-5.6 DG OS is a full-frame telephoto zoom lens built for DSLR camera systems. It covers a 70mm to 300mm focal length range, giving photographers meaningful reach for distant subjects across a variety of shooting situations. The variable maximum aperture runs from f/4 at 70mm to f/5.6 at 300mm. Optical image stabilization is built in to help manage camera shake during handheld use.
Focus options include both autofocus and manual focus, and the lens is available in Canon EF, Nikon F, and Sony A mounts to support a wide range of DSLR systems. The 58mm filter thread accepts standard accessories, and the lens weighs 610g, keeping it reasonably portable for its focal length class.
Pros — Sigma 70-300mm f/4-5.6
- ✓Wide telephoto zoom range from 70mm to 300mm suits a variety of distant-subject scenarios
- ✓Optical image stabilization helps reduce camera shake during handheld shooting
- ✓Full-frame compatible lens design works across both full-frame and APS-C DSLR bodies
Cons — Sigma 70-300mm f/4-5.6
- ✗Variable maximum aperture of f/4–f/5.6 limits light gathering, particularly at 300mm
- ✗At 610g, the lens may feel front-heavy on smaller DSLR bodies over extended use
- ✗No weather sealing information is present in the specifications, which may be a concern for outdoor use in adverse conditions