Tamron 200-400mm F/6.3

The Tamron 200-400mm F/6.3 is a 200-400mm telephoto lens designed for the T MOUNT mount and released in 1965. Manufactured by Tamron, it offers a maximum aperture of f/6.3, covering a 200-400mm focal range, weighs 1275, accepts 77 filters. Tamron 200-400mm F/6.3 is one of 2 variants in its family on lens-database.com, with sibling versions across mounts including INTERCHANGEABLE MOUNT, 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.

What is the Tamron 200-400mm F/6.3?

The Tamron 200-400mm F/6.3 is a 200-400mm telephoto lens for the T MOUNT mount with a maximum aperture of f/6.3. Full specifications and source attribution are available at lens-database.com.

What mount does the Tamron 200-400mm F/6.3 use?

The Tamron 200-400mm F/6.3 uses the T MOUNT mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/t-mount.

What is the maximum aperture of the Tamron 200-400mm F/6.3?

The Tamron 200-400mm F/6.3 has a maximum aperture of f/6.3, a slower-aperture design typical of zoom or specialty optics. Aperture is one of the cross-referenced fields used by lens-database.com to compare equivalent optics across mounts and eras.

When was the Tamron 200-400mm F/6.3 released?

The Tamron 200-400mm F/6.3 was released in 1965, placing it within the 1960s 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 Tamron 200-400mm F/6.3?

Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/428706-tamron-200-400mm-f63. Data is aggregated from manufacturer sources and updated continuously.