Battery adaptor for Minox 35 cameras

The Minox 35 range of cameras was originally designed to be powered by a 5.6v PX27 Mercury battery. These are now no longer available, so now a 6v alkaline battery is required.

This sleeve allows 4 x LR44 batteries to be used. LR44 batteries are cheap and widely available.  The sleeve fits inside the battery compartment and prevents the sides of the batteries touching the metal camera battery holder.