The Irix 30mm f1.4 lens features an advanced optical design that includes 3 ultra-low dispersion lenses, 2 high-refractive lenses, and an aspherical lens .
Top-Features
Bright aperture of f1.4
Aperture
control via camera
61.9 degree field of view
"Focus Lock" function
Focus ring with 140 degree rotation
86mm filter thread
Support for in-camera focus indication
Support for semi-automatic modes (PASM)
All exposure parameters are stored in EXIF data
Laser-engraved markings filled with UV-reactive ink
Scratch-resistant surface
Reinforced internal structure based on metal elements
Non-slip focus ring with special surface for easy operation
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