Slide Viewer lens mount_Mamiya 7 This is a compact manual-focus

This is a compact manual-focus teleconverter for Nikon F-mount lenses

and an effective ball drag control

independent ball and pan locks

The taking is clean

Includes some great colour printing

Slide Viewer lens mount_Mamiya 7 This is a compact manual-focusWho makes this slide viewer? I don't know. Someone! It looks like a Kaiser knockoff, but no one's claiming responsibility: the only identification is a model number (M203, for what it's worth). Nevertheless, it works, with a pretty decent LED illumination source that runs of 4 AA batteries (sold separately). Views slides and filmstrips. In very good condition. Worth noting: one of the four clips that secures the top of the viewer to its base is