Recommend to use on a manual lens (manual focus/manual iris) .If you used on an automatic lens, it just was a common cover, lost the fun of playing. BTW: You transfer SLR manual lenses to Leica M mount by the adapter ring.
You needn't a camera to play with a lens.
Look at the image like a film.(135 full frame )
Seeing the view effect of the lens is like a director's viewfinder. Note: It is an inverted image
Observe imaging from the closest focusing distance to infinity.
Description
Features :
The Rear Lens Cap that can imaging . You needn't a camera to play with a lens.
Seeing the view effect of the lens is like a director's viewfinder. Note: It is an inverted image
Almost all SLR lenses can be converted into SONY E mount by the adapter ring
Specification:
Model: XuanLens Cap E
Material: ABS shell + PVC