Kenko N-AF 1.5x Teleplus SHQ for Nikon F eyepiece Not rangefinder coupled: these are

Not rangefinder coupled: these are for bellows or Visoflex use

This lens includes permanently-mounted reflex housing for use with Barnack-body Leicas

and there are two different shutter speed dials for high and low speed

there's a 1/4" outer thread up top for camera mounting

Kenko N-AF 1.5x Teleplus SHQ for Nikon F eyepiece Not rangefinder coupled: these areThe Kenko N AF 1. 5x Teleplus SHQ for Nikon F is a 1. 5x teleconverter for Nikon F mount lenses. This is an autofocus focus teleconverter that will work with any AI, AI S or AF lens with an on lens aperture ring (that is to say, no G type lenses). Light cosmetic wear, clean glass, good function.