Cameratique contacted me about this rare Meyer Primoplan 5cm f/1.9 LTM Leica M39 collapsible lens they listed for sale on their website: “This is the collapsible version a f1.9 f=50mm chrome 1.9/50 lens with Leica M39 vintage screw mount pre war rare uncoated collectible lens. When a bright light is used to inspect the lens, dust … Continue reading Check out this rare Meyer Primoplan 5cm f/1.9 collapsible lens with LTM Leica M39 screw mount