Difference between revisions of "Mamiya 35 Ruby"

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The '''Mamiya Ruby''' is a leaf-shutter fixed-lens rangefinder introduced by [[Mamiya]] starting in September 1959. It features a coupled selenium match-needle lightmeter.  This model was offered initially with a Mamiya-Sekor T 48mm f/2.8 lens and later with a Mamiya-Sekor F 48mm F/1.9 lens. The shutter is a Copal SVK.  The f/2.8 version was sold in the Unites States by [[Sears]] as the '''Tower 10A''' and the f/1.9 version as the '''Tower 18A'''.
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The '''Mamiya Ruby''' is a leaf-shutter fixed-lens rangefinder introduced by [[Mamiya]] starting in September 1959. It features a coupled selenium match-needle lightmeter.  This model was offered initially with a Mamiya-Sekor T 48mm f/2.8 lens and later with a Mamiya-Sekor F 48mm F/1.9 lens. The shutter is a Copal SVK.  The f/2.8 version was sold in the United States by [[Sears]] as the '''Tower 10A''' and the f/1.9 version as the '''Tower 18A'''.
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/90900361@N08/26613805472/in/pool-camerawiki
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|image= http://farm2.staticflickr.com/1445/26613805472_7817f1d1e1.jpg
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|image2_source= http://www.flickr.com/photos/90900361@N08/26613804912/in/pool-camerawiki
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|image2= http://farm2.staticflickr.com/1645/26613804912_485045c2db.jpg
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|image_align= center
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|image_text= Mamiya 35 Ruby with 48mm f/2.8 lens <br><small>images by eBayer tekram-one</small>
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|image_rights= wp
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== Specifications ==
== Technical specifications ==
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{{Flickr_image
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|image_source= http://www.flickr.com/photos/inspiredphotosdotcom/4236763639/in/pool-camerawiki
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|image= http://farm5.staticflickr.com/4004/4236763639_c8d19907e9.jpg
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|image_align= right
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|image_text= Sears Tower 10A
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|image_by= Inspiredphotos
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|image_rights= wp
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* Type: 35mm  
 
* Type: 35mm  
 
* Released: September 1959 (f/2.8) and May 1960 (f/1.9)
 
* Released: September 1959 (f/2.8) and May 1960 (f/1.9)
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* Size and weight: 79 × 131 × 72mm · 680g (f/2.8) or 79 × 131 × 73mm · 774g (f/1.9)
 
* Size and weight: 79 × 131 × 72mm · 680g (f/2.8) or 79 × 131 × 73mm · 774g (f/1.9)
  
=== Links ===
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==Links==
* [http://www.mamiya.co.jp/home/camera/museum/saishu-page/1950/mamiya35-ruby-f28.htm Mamiya 35 Ruby F2.8] in Japanese from the History of Mamiya.
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In English:
* [http://www.mamiya.co.jp/home/camera/museum/saishu-page/1960/mamiya35-ruby-f19.htm Mamiya 35 Ruby F1.9] in Japanese from the History of Mamiya.
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* [https://web.archive.org/web/20210515204649/http://www.herron.50megs.com/rangefinder.htm Mamiya 35 Ruby Standard] at [https://web.archive.org/web/20200222233156/http://www.herron.50megs.com:80/index.html Collecting Mamiya 35mm] (archived)
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*[https://www.butkus.org/chinon/sears/sears_tower_18a/sears_tower_18a.htm Sears Tower 18A user manual] at [https://www.butkus.org/chinon/ Butkus.org]
  
 
[[Category: Japanese 35mm rangefinder]]
 
[[Category: Japanese 35mm rangefinder]]
 
[[Category: Mamiya]]
 
[[Category: Mamiya]]
 
[[Category: M]]
 
[[Category: M]]

Latest revision as of 06:58, 20 February 2022

The Mamiya Ruby is a leaf-shutter fixed-lens rangefinder introduced by Mamiya starting in September 1959. It features a coupled selenium match-needle lightmeter. This model was offered initially with a Mamiya-Sekor T 48mm f/2.8 lens and later with a Mamiya-Sekor F 48mm F/1.9 lens. The shutter is a Copal SVK. The f/2.8 version was sold in the United States by Sears as the Tower 10A and the f/1.9 version as the Tower 18A.


Specifications

  • Type: 35mm
  • Released: September 1959 (f/2.8) and May 1960 (f/1.9)
  • Original Price: ¥ 18,500 (f/2.8) and ¥ 22,800 (f/1.9)
  • Image size: 24 × 36mm
  • Lens:
    • Mamiya-Sekor T 48mm f/2.8 (3 elements in 3 groups)
    • Mamiya-Sekor F 48mm F/1.9 (6 elements in 4 groups)
  • Viewfinder: Reverse Galilean viewfinder, automatic parallax correction
    • Focusing: Double image coincidence rangefinder
    • Magnification 0.66
    • Baseline length 31.5mm
    • Effective baseline length 20.8mm
  • Shutter: Copal SVK leaf shutter with self-timer, B + 1 - 1/500
  • Flash Sync: M · X contact (full sync) 
  • Film Advance: Lever (175 degrees)
  • Exposure Metering: Built-in selenium meter with coupled match needle (visible on top only)
  • Size and weight: 79 × 131 × 72mm · 680g (f/2.8) or 79 × 131 × 73mm · 774g (f/1.9)

Links

In English: