Asanuma Extension Tube Set - Accessory

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Model Details

Set of 3 extension tubes by Asanuma for 35mm SLRs with M42 screw mount. Has aperture-activation pin. Tubes are ~10, 18, and 28mm long. Black metal construction, with rubber grips and silver rings near the edges.

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Brand
Asanuma
System
M42
Usage
Film

M42

M42 (also known as Pentax Universal) is a screw-type lens mount for SLR cameras. It was originally developed by Carl Zeiss but was adopted by many other manufacturers throughout Europe and Asia. Other notable M42 manufacturers include Praktica, Fujica, Pentax, and Zenit.

M42 is a very simple system with a long flange distance, making adapters simple and common. Many film manufacturers made adapters for mounting M42 lenses to their systems, and they can also be used with modern SLR & mirrorless cameras quite easily. Because it was used by so many companies, there are a huge number of M42 lenses out there, covering every focal length and level of optical quality.

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Asanuma Extension Tube Set - Accessory Availability & Price History
Date Sold SKU Quality Control Price Image
Available T29485 $18.00 Asanuma Extension Tube Set
06 Jun 2023 T24017 € 15.00 Asanuma Extension Tube Set - Accessory Image
04 Feb 2022 A68263 € 15.00 Asanuma Extension Tube Set - Accessory Image