Retina Reflex dkl lens bayonet

This is the Retina Reflex bayonet that fits the Reflex, and IIc, IIC, IIIC, only.





This is for the Retina Reflex S, II, IV, IIIs, III, and Instamatics.

I like the IV lens, they are newer and have a closed shutter ring to keep the dust and dirt clods out.