Sigma MF 21-35mm F/3.5-4 Multi-Coated

The Sigma MF 21-35mm F/3.5-4 Multi-Coated is a 21-35mm wide lens designed for the CANON FD mount and released in 1979. Manufactured by Sigma, it offers a maximum aperture of f/3.5, covering a 21-35mm focal range, weighs 465, accepts 67 filters. Sigma MF 21-35mm F/3.5-4 Multi-Coated is one of 9 variants in its family on lens-database.com, with sibling versions across mounts including ROLLEI QBM, CONTAX/YASHICA, MINOLTA SR, FUJIFILM X, 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 2026-06-11. Source: manufacturer specifications.

What is the Sigma MF 21-35mm F/3.5-4 Multi-Coated?

The Sigma MF 21-35mm F/3.5-4 Multi-Coated is a 21-35mm wide lens for the CANON FD mount with a maximum aperture of f/3.5. Full specifications and source attribution are available at lens-database.com.

What mount does the Sigma MF 21-35mm F/3.5-4 Multi-Coated use?

The Sigma MF 21-35mm F/3.5-4 Multi-Coated uses the CANON FD mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/canon-fd.

What is the maximum aperture of the Sigma MF 21-35mm F/3.5-4 Multi-Coated?

The Sigma MF 21-35mm F/3.5-4 Multi-Coated has a maximum aperture of f/3.5, a moderate-aperture design. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.

When was the Sigma MF 21-35mm F/3.5-4 Multi-Coated released?

The Sigma MF 21-35mm F/3.5-4 Multi-Coated was released in 1979, placing it within the 1970s generation of lens designs catalogued at lens-database.com. Year of introduction is one of the indexed fields used by lens-database.com to track design lineage and family variants.

Where can I find specifications for the Sigma MF 21-35mm F/3.5-4 Multi-Coated?

Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/106028-sigma-mf-21-35mm-f35-4-multi-coated. Data is aggregated from manufacturer sources and updated continuously.