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Mamiya Auto Extension Ring No. 1 - Accessory

Mamiya Auto Extension Ring No. 1 - Accessory

No.1 extension ring made by Mamiya for Mamiya 645. Designed for use with the 80mm f1.9 and 2.8 lenses. Metal body available in black.

  • Size: 75 x 16mm
  • Weight: 57g
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Mamiya 645

Mamiya’s manual focus 645 system was introduced in 1975 and was produced until the 645AF supplanted it in 1999.

There are two generations of manual focus 645 cameras. Lenses can be shared between models of different generations, but accessories can only be used with cameras of the same generation. Earlier generation cameras are called M645 and have mainly metal and leatherette exteriors, while later generation M645 Super/Pro cameras have a more plasticky exterior.

Instead of a leaf shutter like other modular SLRs, the Mamiya 645 uses a focal plane shutter. This allows the camera to use faster shutter speed and makes lenses smaller but limits the camera's ability to sync with a flash.

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Mamiya Auto Extension Ring No. 1 - Accessory Availability & Price History
Date Sold SKU Quality Control Price Image
Available T59155 €29,00 Mamiya Auto Extension Ring No. 1
28 Mar 2024 T65062 € 29,69 Mamiya Auto Extension Ring No. 1 - Accessory Image
03 Dec 2023 T58494 € 25,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
01 Aug 2023 T42126 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
15 Apr 2023 T27860 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
20 Mar 2023 T35306 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
20 Jan 2023 T23887 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
22 Dec 2022 T23170 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
04 Nov 2022 T11279 € 30,61 Mamiya Auto Extension Ring No. 1 - Accessory Image
20 Sep 2022 T24430 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
03 Jul 2022 T16091 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
18 Jan 2022 A75827 € 30,00 Mamiya Auto Extension Ring No. 1 - Accessory Image
22 Nov 2021 A66335 € 22,50 Mamiya Auto Extension Ring No. 1 - Accessory Image