Irix 15mm f/2.4 Blackstone for Pentax K
This is an Irix lens that is equipped with a Pentax K mount. The aperture of the lens is minimum ƒ/22 and maximum ƒ/2.4.
Nikon FPentax K
This is an Irix lens that is equipped with a Pentax K mount. The aperture of the lens is minimum ƒ/22 and maximum ƒ/2.4.
