Sigma MF 8mm F/4 Filtermatic Fisheye
The Sigma MF 8mm F/4 Filtermatic Fisheye is a 8mm fisheye lens designed for the CONTAX/YASHICA mount. Manufactured by an unspecified manufacturer, it offers a maximum aperture of f/4, covering a 8mm focal range. Sigma MF 8mm F/4 Filtermatic Fisheye is one of 9 variants in its family on lens-database.com, with sibling versions across mounts including ROLLEI QBM, FUJIFILM X, OLYMPUS OM, PENTAX K, 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
- CONTAX/YASHICA
- Focal Length
- 8mm
- Max Aperture
- F/4
- Type
- Fisheye
- Brand
- Unknown
What is the Sigma MF 8mm F/4 Filtermatic Fisheye?
The Sigma MF 8mm F/4 Filtermatic Fisheye is a 8mm fisheye lens for the CONTAX/YASHICA mount with a maximum aperture of f/4. Full specifications and source attribution are available at lens-database.com.
What mount does the Sigma MF 8mm F/4 Filtermatic Fisheye use?
The Sigma MF 8mm F/4 Filtermatic Fisheye uses the CONTAX/YASHICA mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/contaxyashica.
What is the maximum aperture of the Sigma MF 8mm F/4 Filtermatic Fisheye?
The Sigma MF 8mm F/4 Filtermatic Fisheye has a maximum aperture of f/4, 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.
Where can I find specifications for the Sigma MF 8mm F/4 Filtermatic Fisheye?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/110273-sigma-mf-8mm-f4-filtermatic-fisheye. Data is aggregated from manufacturer sources and updated continuously.
Sigma 8mm F/4 fisheye prime lens for Contax/Yashica mount. It uses a fixed f/4 maximum aperture for wide, highly distorted ultra-wide imagery typical of fisheye work.
Last verified: 2026-04-27