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Tokina | Digital Eyes - Visionary technology makes a difference you can see

Specifications:

Focus distance : 20mm
Brightness : F2
Compatible format : Full format
Minimum aperture : F22
Lens configuration : 13 elements in 11 group
Angle of view : 92.651°
Filter size : 62mm
Shortest object distance : 0.28m / 11 in.
Macro maximum magnification : 1 : 10.33
Focus method : Internal focus
Number of aperture blades : 9
Maximum diameter : 69mm
Full length : 81.5mm
Weight : 490g
Hood : Square, bayonet type
Mount type : Sony-E

[Mistral75]

This is a 24x36 manual focus lens for mirrorless cameras, Sony to begin with, with CPU and contacts to encode and transmit aperture, distance and optical data to the camera body, allowing the camera to utilize the 5-axis image stabilization, manual focus assist, automatic correction of vignetting, distortion and chromatic aberrations and other features that require electronic lens communication.

Kind of competitor to Zeiss Loxia lenses.