IMFIN

• Code name - IMFIN also called IMRAEAC
• Production era - 1940-1964
• Type - Universal viewfinder for the focal lengths 3.5-13.5 cm - NY item - two prism lateral correction and parallax foot adjustment. The back has a rounded (beaded) edge as opposed to square edge on VIOOH
• Inscription - "E.Leitz | NY | USA | xxxx" logo above eyepiece
• Accessories - VIOAD similar to TUVOO for 2.8 cm lenses
• Reference - Page 12 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus