Leica ring for 4/90

Leica M39 to M42 Adapter Ring – Mount Conversion Ring

This Leica M39 to M42 adapter ring allows you to mount classic Leica Thread Mount (LTM) lenses onto M42 camera bodies or M42 adapters. It’s a simple yet precise metal ring that enables the use of vintage lenses from Leica, Canon, FED, Zorki, Jupiter, and Industar on M42 systems without affecting optical performance.

Key Features

• Brand: Leica (compatible type)

• Model: M39 to M42 Adapter Ring

• Function: Converts Leica M39 × 1 mm (LTM) thread to M42 × 1 mm thread

• Material: Metal construction for secure and accurate fit

• Optical Elements: None – maintains original image quality

• Compatibility: Suitable for Leica, Canon LTM, Jupiter, Industar, and other M39 lenses used with M42 bodies or adapters

Condition

Used – Good condition
Minor signs of use, fully functional.

What’s Included

• Leica M39 to M42 adapter ring