Irix 11mm F4 Specs

Announced Feb 20, 2018 •
Wideangle prime lens | Canon EF, Nikon F (FX), Pentax KAF3
Principal specifications
Lens type Prime lens
Max Format size 35mm FF
Focal length 11 mm
Image stabilization No
Lens mount Canon EF, Nikon F (FX), Pentax KAF3
Aperture
Maximum aperture F4
Minimum aperture F22
Aperture ring Yes
Number of diaphragm blades 9
Optics
Elements 16
Groups 10
Special elements / coatings 3 aspherical + 4 HRI + 2 ED elements, Neutrino coating
Focus
Minimum focus 0.28 m (11.02)
Maximum magnification 0.07×
Autofocus No
Full time manual Yes
Focus method Internal
Distance scale Yes
DoF scale Yes
Physical
Weight 790 g (1.74 lb)
Diameter 103 mm (4.06)
Length 118 mm (4.65)
Materials Composite (Firefly), aluminum-magnesium alloy (Blackstone)
Sealing Yes
Hood supplied Yes
Other
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