CPC G03B 17/565 (2013.01) [G02B 7/006 (2013.01); G02B 7/02 (2013.01); G03B 11/00 (2013.01); G03B 2217/002 (2013.01)] | 17 Claims |
1. An optical element for use with a camera, the optical element comprising:
an optical body having a front surface, a rear surface, and a side surface extending axially between the front and rear surfaces;
a frame disposed along the optical body side surface, the frame having an outer surface;
an indicator that is integral with and formed from the frame, wherein the indicator is located on the outer surface of the frame, the indicator comprising a surface feature that is not in the form of a numerical and that is configured to convey a fixed property of the optical element visually or by touch.
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