Irix 150mm F/2.8 Macro F/1
The Irix 150mm F/2.8 Macro F/1 is a 150mm macro lens designed for the PENTAX K mount. Manufactured by an unspecified manufacturer, it offers a maximum aperture of f/2.8, covering a 150mm focal range. Irix 150mm F/2.8 Macro F/1 is one of 4 variants in its family on lens-database.com, with sibling versions across mounts including NIKON F, NIKON F DX, CANON EF, 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
- PENTAX K
- Focal Length
- 150mm
- Max Aperture
- F/2.8
- Type
- Macro
- Brand
- Unknown
What is the Irix 150mm F/2.8 Macro F/1?
The Irix 150mm F/2.8 Macro F/1 is a 150mm macro lens for the PENTAX K mount with a maximum aperture of f/2.8. Full specifications and source attribution are available at lens-database.com.
What mount does the Irix 150mm F/2.8 Macro F/1 use?
The Irix 150mm F/2.8 Macro F/1 uses the PENTAX K mount. Lens-database.com indexes every lens currently catalogued for this mount at https://lens-database.com/mount/pentax-k.
What is the maximum aperture of the Irix 150mm F/2.8 Macro F/1?
The Irix 150mm F/2.8 Macro F/1 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 Irix 150mm F/2.8 Macro F/1?
Full specifications, original source links, and family variants are listed at https://lens-database.com/lens/89214-irix-150mm-f28-macro-f1. Data is aggregated from manufacturer sources and updated continuously.
IRIX 150mm macro prime lens for Pentax K mount, with a maximum aperture of f/2.8. Designed for close-up photography and portraits where a longer focal length is useful.
Last verified: 2026-04-27