Canon Extender EF 1.4x II minox The Konica Auto-Up is a

The Konica Auto-Up is a close-up lens for select Konica rangefinder cameras

Otherwise in great condition

this lens might just do the trick: it's relatively compact for an f2

requires a Visoflex

so it's not the most convenient method we've seen- but it works

Canon Extender EF 1.4x II minox The Konica Auto-Up is aCanon Extender EF 1. 4x II teleconverter, in excellent cosmetic condition. Increases the effective focal length of the lens mounted to it by forty percent while maintaining complete communication between lens and camera. Since the teleconverter extends into the back of the lens, not all lenses may be mounted. Please confirm compatibility between your intended lens and this teleconverter. Clean glass and excellent function. Includes pouch.