Irix 11mm F4 is a Manual Focus (MF) Wideangle Prime lens with 35mm FF max sensor coverage and it is designed to be used with Pentax KAF3 mount cameras.
Irix 11mm F4 is compatible with cameras that have Pentax KAF3
lens mount. Some of the latest released cameras that are compatible with the Pentax KAF3 lenses are Pentax K-3 III
, Pentax K-1 II
and Pentax KP
Max sensor coverage of Irix 11mm F4 is 35mm FF
Irix 11mm F4 has a fixed focal lenght of 11mm.
Optical Image Stabilization
Irix 11mm F4 doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Maximum Magnification Ratio
Irix 11mm F4 has a Max Magnification Ratio of 0.07x
and has a minimum focusing distance of 0.28m
Irix 11mm F4 has a max aperture of F4 and a minimum aperture of F22.
Irix 11mm F4's optical formula consists of 16 elements in 10 groups. Following special elements are used in this design:
- 3 aspherical
- 4 HRI
- 2 ED elements
- Neutrino coating
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