Mamiya m645 2x N Teleconverter (USED)

Mamiya m645 2x N Teleconverter (USED)

The Mamiya M645 2× N Teleconverter is a genuine Mamiya accessory designed for the Mamiya 645 manual-focus medium format system. Built to Mamiya’s high optical and mechanical standards, this teleconverter doubles the focal length of compatible Mamiya 645 N-series lenses while preserving excellent image quality and reliable operation.

Extend Your Reach in Medium Format

By multiplying the focal length of your lens by 2×, this teleconverter allows photographers to achieve tighter framing and greater subject isolation without the need to carry an additional long lens. It’s especially useful for portraiture, landscape details, and compressed-perspective shots, where added reach can dramatically change the look of an image.

Designed for the Mamiya 645 System

• Native Mamiya 645 mount for seamless compatibility

• Designed specifically for N-series lenses

• Maintains proper mechanical coupling for accurate focusing and aperture control

• Solid, all-metal construction typical of Mamiya professional gear

The teleconverter integrates cleanly between the camera body and lens, maintaining the balance and handling expected from the Mamiya 645 system.

Optical Performance

Mamiya’s optical design ensures minimal degradation in sharpness and contrast when used with compatible lenses. While a 2× teleconverter naturally reduces maximum aperture by two stops, image quality remains strong—particularly when stopped down slightly.

Ideal For

• Medium format photographers needing extra reach

• Film shooters who want flexibility without buying additional lenses

• Mamiya 645 users building a complete, original system

• Collectors seeking authentic Mamiya accessories