Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4

The Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 is a 58mm portrait lens designed for the M42 mount and released in 2003. Manufactured by Cosina, it offers a maximum aperture of f/1.4, covering a 58mm focal range, weighs 305, accepts 58 filters. Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 is one of 2 variants in its family on lens-database.com, with sibling versions across mounts including NIKON F, 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 Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4?

The Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 is a 58mm portrait lens for the M42 mount with a maximum aperture of f/1.4. Full specifications and source attribution are available at lens-database.com.

What mount does the Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 use?

The Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 uses the M42 mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/m42.

What is the maximum aperture of the Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4?

The Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 has a maximum aperture of f/1.4, placing it in the ultra-fast lens category. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.

When was the Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 released?

The Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4 was released in 2003, placing it within the 2000s 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 Cosina Tokyo Kogaku Auto-Topcor 58mm F/1.4?

Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/91773-cosina-tokyo-kogaku-auto-topcor-58mm-f14. Data is aggregated from manufacturer sources and updated continuously.