Zeiss Ikon Nettar 515/16 lens mount_Fuji GFX The Sigma APO Teleconverter 1

The Sigma APO Teleconverter 1

Add the EF Extender 1

and suddenly you've got a F3-style shoe that works with only a few specific flash units

Under 4000 actuations

Zeiss Ikon Nettar 515/16 lens mount_Fuji GFX The Sigma APO Teleconverter 1The Zeiss Ikon Nettar 515 2 is a folding 6x6 camera with a 75mm f4. 5 Novar Anastigmat lens and a Prontor S shutter with speeds from 1s to 1 300s. Uses standard 120 film, too. Cosmetic condition is excellent, with only very minor paint and finish wear. This is a scale focusing camera, so you need to guess your focus (or use an external rangefinder, not included.) Also, no light meter. This is definitely an old school DIY camera, but the appeal of a