You will want to compare gear that you have found to what you have equipped.
You can unequip the item and select another and then compare that newly selected item the same way.
is the premier site for restoration, repairs, maintenance, custom modifications, advice and information about your Zeiss Ikon Contax cameras, lenses and accessories.
Custom machining and repair parts are available in conjunction with service and overhaul work performed here.
These tips can be found in several places in the ESO Wiki.