Opteka 85mm F1.8 Specifications
analog/digital limited (dumb mount - aperture priority or manual modes only)
Diagonal Angle of View:
Number of Aperture Blades:
internal focus mechanism, manual focus only
thread mounted, round shape
The lens is reported to be of rather cheap quality (chromatic abberation/purple fringe, bad bokeh and stuck apertures after few times in use). Its release was accompanied by crazy marketing stories
. Aperture settings are limited to 2.5, 3.2, 4.0, 5.0, 7.0, 11.0 and 22.0 (nothing in between).