Zeiss Ikon Ikophot Rapid Light Meter. In excellent conditions, working properly.
Just acquired a fully functional and almost mint Zeiss Ikon Ikophot CD from late 60s, this thing is unbelievably accurate even compared to my modern Canon EOS 750D DSLR : r/AnalogCommunity
Light (or exposure) meters – John's Cameras. A collection of interesting and old cameras.
The Incredible Ikophot - Classic Manual Film Cameras - Photo.net
Rare Vintage Zeiss Ikon Ikophot Selenium Exposure Light Meter Orig Parts Germany | eBay