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Leica ring for 4/90
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Leica ring for 4/90

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

$7.42

Original: $21.19

-65%
Leica ring for 4/90—

$21.19

$7.42

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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

Product Information

Shipping & Returns

Description

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