OlivierAOP
medium format
Isco Kiptar 100mm f/1.5 projector lens (no iris), adapted with helicoid

DSC06927-1 by Olivier, on Flickr

DSC06927-1 by Olivier, on Flickr

2018-03-10 Stage Maple A7II CV Nokton 50-15 DSC07380 8x10 b-w by newst54, on Flickr
2019-10-28 Stage A7II Canon 100-35 DSC04239 8x10 by newst54, on Flickr