Patent ID: 9599877
Date: 2017-03-21
CPC Classifications: G02B,G03B,H04N

Claim:
1. A mountable afocal adaptor for a camera, comprising: an attachment plate that contacts the front of a camera housing of a camera; an afocal optical module configured to convert a received optical image to a converted optical image for use by the camera; and a rotation mechanism comprising a rotation ring and a wave spring clamp, wherein the rotation ring contacts the attachment plate and the wave spring clamp, wherein the wave spring clamp contacts the afocal optical module, and wherein the rotation ring and attachment plate rotate together relative to the wave spring clamp around a rotational axis aligned with an axis of an optical path formed between the afocal optical module and the attachment plate and aligned with a view axis of the camera, and wherein the rotation mechanism permits rotation of the camera housing around the rotational axis relative to the afocal optical module.