Century Precision Optics WA-7X5X with FA-7X80 subminiature Lens is clean with only

Lens is clean with only minor oil on the diaphragm blades

Genuine Leitz adapter to mount Leica 39mm thread mount lenses to the M mount

and weather-resistant construction

but is visible through the eyepiece if you're looking for it

The Minolta Dimage Scan Dual IV is a good quality 35mm film scanner with resolutions up to 3200DPI

Century Precision Optics WA-7X5X with FA-7X80 subminiature Lens is clean with onlyThe Century Precision Optics WA 7X5X is a pair of nested wide angle adapters that attach to the front of a lens. With the 0. 7x on the lens, and the 0. 5x on top, the focal length is effectively halved; you can also use the 0. 7x without the 0. 5x if you need a more subtle effect. While the 0. 7x optic itself has an uncommon 96mm thread, the included FA 7X80 adapter allows the system to be clamped to lenses with an 80mm outside diameter (eg, many 77mm