Beginning in the late 1970s, motor drives began to be integrated into cameras themselves & mdash; at first, in compact cameras for the beginner market, and by the 1980s, in amateur-grade and later professional-grade single lens reflex cameras.
12.
It remains popular, however, for use on digital single lens reflex cameras using the AF system, such as the Konica-Minolta sharpness, constant maximum aperture and smooth bokeh effect, though it suffers from more pronounced aberrations than equivalent modern designs.
13.
Linear polarising filters, while effective, can interfere with metering and auto-focus mechanisms when mirrors or beam-splitters are in the light path, as in the digital single lens reflex camera; a circular polarizer is also effective, and does not affect metering or auto-focus.
14.
The C3's enduring popularity allowed it to outlast nearly all of its American competitors, including the Kodak 35 Rangefinder, but it was not able to compete with the flood of inexpensive Japanese single lens reflex cameras entering the market in the 1960s and was finally discontinued in 1966.
