FOFER

• Production era - 1926-1939
• Type - Longbase rangefinder with leather case to measure distance from film plane to object; metric and international versions with fixing clip.
• Variants - Black, gold plated and Nagel version with N inscribed on wheel.
• FONOR - For 6 x 9 to 10 x 15 cm cameras with fixing clip.
• FOKIN - Cine camera version with adjustable clamp.
• Reference - Page 8 and 9 of Dennis Laney's Leica 1984 Accessory Guide courtesy of Mike Butkus