A critical feature paired with the Tessar lens in many Logitech models is the autofocus mechanism. Because the depth of field at f/2.0 is shallower than at higher f-stops, accurate focus is critical.
An older 1080p model that also used Zeiss optics. Driver & Software Information
A critical feature paired with the Tessar lens in many Logitech models is the autofocus mechanism. Because the depth of field at f/2.0 is shallower than at higher f-stops, accurate focus is critical.
An older 1080p model that also used Zeiss optics. Driver & Software Information logitech carl zeiss tessar 2.0 3.7 driver