Fotodiox Camera Body & Rear Lens Cap Set for All Pentax K Compatible Cameras & Lenses Lens Mount_Exakta Topcon Integrated aperture control tabs for

Integrated aperture control tabs for adjusting the lens aperture

so the boundary between the colored and transparent sections of lens will not become apparent even with the lens aperture stopped down

large-capacity

eliminating water reflection and window / glass / eyeglass reflection

The Macro Reverse Ring works with all Pentax Q mount camera bodies

Fotodiox Camera Body & Rear Lens Cap Set for All Pentax K Compatible Cameras & Lenses Lens Mount_Exakta Topcon Integrated aperture control tabs forDescription Specs Compatibility Rear lens & body cap protects the rear lens elements and camera internals Enhanced craftsmanship and high tolerance construction for demanding professionals Precise fit and solid connection; no play, gap or wiggling when mounted on lens or adapter Premium grade, high impact plastic Limited 2 Year Manufacturer Warranty The Fotodiox designer lens cap set is specifically made for all Pentax K (PK) mount compatible camera