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Mamiya 645 Auto Extension Ring No. 2 (210-251)

KEH Model# 292446
Grade Notes Price Qty


Mamiya 645 Auto Extension Ring No. 2 (210-251) Description


Mamiya Automatic Extension Ring Number 2 is designed to extend the lens 23.6mm from the camera body. This set is designed for use with 80mm f/1.9 and 80mm f/2.8 lenses. Its diaphragm automation and meter coupling are preserved when coupled to lens. When combined with Number 2 and 3 extension rings 80mm lens enables full 1:1 ratio. Individually the extension rings extend the lens either 11.8mm (No. 1 ring), 23.6mm (No. 2 ring) or 35.4mm (No. 3 ring) from the camera body.

Mamiya Auto Extension Tube #2 (24mm) is precision machined for close-up and macrophotography. It is fully meter coupled for automatic or manual exposure.

KEH Specifications

  • Function: Extends the lens 23.6mm from the camera body
  • Compatibility: 80mm f/1.9 and 80mm f/2.8 lenses


General information

Brand Name Mamiya
Manufacturer Part Number 210251
Product information
Certifications & Standards

Mamiya 645 Series Cameras

Physical Characteristics

Lens Mount Mamiya M645