| http://www.w3.org/ns/prov#value | - 20130027601IMAGING DEVICE, FILTER HOLDING MEMBER, AND FILTER MOUNTING METHOD FOR IMAGING DEVICE - Provided is an imaging device including an image sensor, and an engagement member which is an annular or cylindrical member provided between a lens mount unit and a first optical filter fixedly installed on a subject side of the image sensor, and has a second uneven portion formed in an inner circumfe
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