Sigma 300mm F/2.8 APO EX DG [HSM]
The Sigma 300mm F/2.8 APO EX DG [HSM] is a 300mm telephoto lens designed for the CANON EF mount. Manufactured by Sigma, it offers a maximum aperture of f/2.8, covering a 300mm focal range. Sigma 300mm F/2.8 APO EX DG [HSM] is one of 4 variants in its family on lens-database.com, with sibling versions across mounts including PENTAX K, SIGMA SA, MINOLTA/SONY A, making cross-mount comparison straightforward for buyers and researchers alike.
This lens record is part of the open public catalog at lens-database.com — a free, continuously updated database indexing 23,885+ photographic and cinematographic lenses with cross-referenced specifications. Data is aggregated from manufacturer datasheets and authoritative public sources, then normalized so lenses across vendors and eras can be compared on common terms. Released under CC BY 4.0, the specifications shown here may be quoted, cited, or reproduced with attribution to lens-database.com.
Last verified 2026-04-27. Source: manufacturer specifications.
- Mount
- CANON EF
- Focal Length
- 300mm
- Max Aperture
- F/2.8
- Type
- Telephoto
- Brand
- Sigma
What is the Sigma 300mm F/2.8 APO EX DG [HSM]?
The Sigma 300mm F/2.8 APO EX DG [HSM] is a 300mm telephoto lens for the CANON EF mount with a maximum aperture of f/2.8. Full specifications and source attribution are available at lens-database.com.
What mount does the Sigma 300mm F/2.8 APO EX DG [HSM] use?
The Sigma 300mm F/2.8 APO EX DG [HSM] uses the CANON EF mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/canon-ef.
What is the maximum aperture of the Sigma 300mm F/2.8 APO EX DG [HSM]?
The Sigma 300mm F/2.8 APO EX DG [HSM] has a maximum aperture of f/2.8, a standard pro-grade aperture. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.
Where can I find specifications for the Sigma 300mm F/2.8 APO EX DG [HSM]?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/425907-sigma-300mm-f28-apo-ex-dg-hsm. Data is aggregated from manufacturer sources and updated continuously.
Sigma 300mm F/2.8 APO EX DG HSM is a telephoto prime lens for Canon EF. It’s designed for low-light and subject isolation with a constant f/2.8 aperture.
Last verified: 2026-04-27