Difference between revisions of "Minolta SR-1"

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The '''Minolta SR-1''' was the second model of [[Minolta]]'s first series of single lens reflex camera bodies. It was a purely mechanical camera. A 6-lens 55mm-Rokkor had been the standard lens for that camera. When it had been introduced in 1959 several other Minolta [[Rokkor]] lenses had already been available, from 35mm upto 600mm focus. At least 5 different improved versions of the SR-1 had been brought to the market in the following 3 years.
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In 1961 a holder ('''1''') for an additional selenium exposure meter had been added to the camera's design. The applicable meters for the SR-1 were connected mechanically with the shutter-speed preselector of the camera: The little bolt ('''2''') on the camera's preselector was connected to the clutch ('''3''') of the meter's shutter-speed preselector. When the correct ASA-value of the film and the exposure time had been preselected on the meter, the measuring instrument's scale directly showed the aperture that the user had to select at the lens.
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|image_source= http://www.flickr.com/photos/89864432@N00/128954560/in/pool-camerawiki/
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Another optional part of the SR-1 was the flash shoe.
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The SR-1's predecessor had been the [[Minolta SR-2]], the first single lens reflex camera for Minolta's SR-Rokkor-lenses, which also had been the first camera ever combining several typical features of modern SLR-cameras. Later the SR-3 took the place of the SR-2. Both cameras had slightly faster exposure mechanics than the SR-1. In 1962 the first Minolta SLR camera with inbuilt meter had been introduced as last member of the SR-n-family: The SR-7. One of the SR1-models, the SR-1 (V), had been the base on which the [[Minolta_SRT_101|Minolta SR-T 101]] had been developped.
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|image_text= SR-1 with exposure meter
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|image_by= Uwe Kulick
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|image= http://farm1.static.flickr.com/80/274107857_ddfc8558fe_m.jpg
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|image_text= An SR-1 with a later model of the meter
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|image_by= Uwe Kulick
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The '''Minolta SR-1''' was launched in 1959 as the second 35mm [[SLR]] camera from [[Minolta | Chiyoda Kōgaku Seikō]]. There is actually not much difference between this and the first one, the SR-2. It was obviously introduced as a low budget alternative, with the fastest shutter speed removed, and offered with a slightly slower standard lens, the six-element Auto Rokkor-PF 1:2 f= 55mm.
  
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Several versions of the SR-1 were introduced over the following years. In 1961 a rather bulky chrome bracket ('''1''') with two holes at the top was added to the right-hand front of the camera for the separately available [[selenium]] [[light meter|exposure meter]], requiring the model name to be moved to the opposite side on the front. The shutter-speed dial had already been modified to rotate without being lifted. A small protruding pin was added to the shutter speed dial ('''2''') to mesh with the meter ('''3'''). When the film speed and a suitable shutter speed is set, the meter shows directly on its scale the recommended aperture which must be set on the lens aperture ring. A light value system is provided on the early Minolta SR cameras, indicated by the yellow "LV"-index next to the shutter-speed dial, on which yellow numerals are engraved on the edge. Corresponding values in yellow is also engraved on the aperture ring on the appropriate Rokkor lens. For correct exposure, the sum of the numerals set on the shutter-peed dial and the aperture ring must equal the EV-value read on the meter (eg. 5 + 3 = 8 for 1/30 sec. at f2.8, when reading EV8 at the meter scale). An accessory shoe to be attached to the finder eyepiece was separately available. It rests on top of the finder prism housing.  
  
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'''Metering was simple''': The meter had to be put into its holder and its
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In 1965 the SR-1 series V with significantly improved body was introduced, recognizable by a new body design without the stepped "shoulders", and a slimmer front-side meter socket. The finder eye piece became rectangular, requiring a series V accessory shoe. Also the wind-on lever became bulkier, and the strap lugs protrudes from the black part of the body rather than the chrome top.
  
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shutter-speed selector's clutch connected correctly to the camera's selector's
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The last version, the Minolta SR-1s - introduced in 1967, has the additional 1/1000s shutter speed. 
  
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bolt('''1'''). Then the right ASA film speed had to be selected on the meter ('''2'''),
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===Lens Mount===
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|image_source=http://www.flickr.com/photos/89864432@N00/138576920/in/pool-camerawiki/
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|image_by= Uwe Kulick
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The SR camera series's lens mount was a sophisticated new sort of lens bayonet. The lens had to be put into the bayonet ring of the camera body. There it had to be fixed by turning it 54 degrees to the right. <br />By fixing it a tappet ('''1''') of the shutter release mechanism got in contact to the aperture release lever ('''2''') of the lens. For removing the lens the camera's lens unlock button had to be pressed. That way lens exchange was a secure procedure and a task of a few seconds.
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{{brl}}
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===Metering===
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|image_source=http://www.flickr.com/photos/89864432@N00/138576918/in/pool-camerawiki/
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|image=http://static.flickr.com/45/138576918_5f313e6fe4_m.jpg
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|image_align=left
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|image_by= Uwe Kulick
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|image_rights= wp
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Metering is simple.<br /> The meter is put into its holder and its shutter-speed selector's clutch connected correctly to the camera's selector's bolt ('''1''').<br /> Then the [[film speed]] (ASA) is selected on the meter ('''2'''),<br /> and the meter mode to be chosen ('''3''').<br /> Shutter speed is chosen for each exposure with the meter's selector ('''4''').<br /> The correct aperture is shown by the meter ('''5'''). <br />Finally the aperture is selected at the lens manually.
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{{br}}
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== Images ==
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{{Flickr_image
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|image_source= https://www.flickr.com/photos/24288287@N05/28387673798/in/pool-camerawiki/
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|image= https://live.staticflickr.com/950/28387673798_eac0f2fcf4_w_d.jpg
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|image_align= left
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|image_text= Original SR-1, yet w/o meter holder, and w/ Auto [[Rokkor]] 1:2 f=53mm
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|image_by= Henrik Robeck
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|image_rights= commercial
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}}
  
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and the meter mode to be chosen ('''3'''). Shutter speed had to be chosen for each
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|image_source= http://www.flickr.com/photos/89864432@N00/138576923/in/pool-camerawiki/
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|image_by= Uwe Kulick
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|image_rights= with permission
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|image_source= http://www.flickr.com/photos/nippoletano/5610100266/in/pool-camerawiki/
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|image_by= nippoletano
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exposure with the meter's selector ('''4'''). The correct aperture had been shown
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|image_source= https://www.flickr.com/photos/casualcameracollector/8580871388/in/pool-camerawiki/
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|image= http://farm9.staticflickr.com/8517/8580871388_80c2424344_n_d.jpg
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|image_by= Casual Camera Collector
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by the meter ('''5'''). Finally the aperture had to be selected at the lens manually.
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<div align="right">[http://www.flickr.com/photos/89864432@N00/128954560/in/pool-camerapedia/ http://static.flickr.com/53/128954560_b2a36dc955.jpg]</div>
 
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==Links==
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{| class="toccolours" align="right" style="clear: both; text-align: left; margin: 0 0 1em 1em;"
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*[https://www.butkus.org/chinon/minolta/minolta_sr-1/minolta_sr-1.htm Minolta SR-1 user manual] at [https://www.butkus.org/chinon/ Butkus.org]
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* [http://www.cameraquest.com/minsr1b.htm Black Minolta SR-1] at[http://www.cameraquest.com cameraquest]
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! bgcolor="#A5C9EB" | lens mount
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* [http://www.collection-appareils.fr/x/html/page_standard.php?id_appareil=11508 Minolta SR-1] on [http://www.collection-appareils.fr/general/html/francais.php www.collection-appareils.fr] by Sylvain Halgand (in French)
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* [http://progsch.net/mediawiki2/index.php?title=SR-1 SR-1] in [http://progsch.net/mediawiki2/ Minowiki] (German)
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<div align="center">http://static.flickr.com/53/138576920_ac7df76a6b_m.jpg</div>
 
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The SR camera series's lens mount was a sophisticated<br/>
 
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new sort of lens bayonet. The lens had to be put into<br/>
 
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the bayonet ring of the camera body. There it had to be<br/>
 
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fixed by turning it 54 degrees to the right. By fixing it a tappet ('''1''')<br/>
 
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which belonged to the shutter release mechanics had been<br/>
 
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connected to the aperture release lever ('''2''') of the lens.
 
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|}
 
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<div align="left">http://static.flickr.com/45/152086591_07c9390635.jpg<br/>
 
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On top of 1962's new SR-1 versions the new company name "Minolta" had been imprinted.</div>
 
  
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[[Category: Japanese 35mm SLR]]
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[[Category: 35mm SLR]]
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[[Category: Minolta SR mount]]
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[[Category: Japan]]
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[[Category:Minolta|SR-1]]
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[[Category: Minolta]]
 
 
[[Category: M]]
 
[[Category: M]]
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[[Category: S|Sr-1]]
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[[Category:S|SR-1 Minolta]]

Latest revision as of 14:51, 22 November 2022

128954560_b2a36dc955_m.jpg
SR-1 with exposure meter
image by Uwe Kulick (Image rights)
274107857_ddfc8558fe_m.jpg
An SR-1 with a later model of the meter
image by Uwe Kulick (Image rights)
50817463661_c3b4f8ee94_w_d.jpg
scanned by Voxphoto  (Image rights)

The Minolta SR-1 was launched in 1959 as the second 35mm SLR camera from Chiyoda Kōgaku Seikō. There is actually not much difference between this and the first one, the SR-2. It was obviously introduced as a low budget alternative, with the fastest shutter speed removed, and offered with a slightly slower standard lens, the six-element Auto Rokkor-PF 1:2 f= 55mm.

Several versions of the SR-1 were introduced over the following years. In 1961 a rather bulky chrome bracket (1) with two holes at the top was added to the right-hand front of the camera for the separately available selenium exposure meter, requiring the model name to be moved to the opposite side on the front. The shutter-speed dial had already been modified to rotate without being lifted. A small protruding pin was added to the shutter speed dial (2) to mesh with the meter (3). When the film speed and a suitable shutter speed is set, the meter shows directly on its scale the recommended aperture which must be set on the lens aperture ring. A light value system is provided on the early Minolta SR cameras, indicated by the yellow "LV"-index next to the shutter-speed dial, on which yellow numerals are engraved on the edge. Corresponding values in yellow is also engraved on the aperture ring on the appropriate Rokkor lens. For correct exposure, the sum of the numerals set on the shutter-peed dial and the aperture ring must equal the EV-value read on the meter (eg. 5 + 3 = 8 for 1/30 sec. at f2.8, when reading EV8 at the meter scale). An accessory shoe to be attached to the finder eyepiece was separately available. It rests on top of the finder prism housing.

In 1965 the SR-1 series V with significantly improved body was introduced, recognizable by a new body design without the stepped "shoulders", and a slimmer front-side meter socket. The finder eye piece became rectangular, requiring a series V accessory shoe. Also the wind-on lever became bulkier, and the strap lugs protrudes from the black part of the body rather than the chrome top.

The last version, the Minolta SR-1s - introduced in 1967, has the additional 1/1000s shutter speed.

Lens Mount

138576920_ac7df76a6b_m.jpg
image by Uwe Kulick (Image rights)

The SR camera series's lens mount was a sophisticated new sort of lens bayonet. The lens had to be put into the bayonet ring of the camera body. There it had to be fixed by turning it 54 degrees to the right.
By fixing it a tappet (1) of the shutter release mechanism got in contact to the aperture release lever (2) of the lens. For removing the lens the camera's lens unlock button had to be pressed. That way lens exchange was a secure procedure and a task of a few seconds.

Metering

138576918_5f313e6fe4_m.jpg
image by Uwe Kulick (Image rights)

Metering is simple.
The meter is put into its holder and its shutter-speed selector's clutch connected correctly to the camera's selector's bolt (1).
Then the film speed (ASA) is selected on the meter (2),
and the meter mode to be chosen (3).
Shutter speed is chosen for each exposure with the meter's selector (4).
The correct aperture is shown by the meter (5).
Finally the aperture is selected at the lens manually.

Images

28387673798_eac0f2fcf4_w_d.jpg
Original SR-1, yet w/o meter holder, and w/ Auto Rokkor 1:2 f=53mm
image by Henrik Robeck (Image rights)
138576923_a50f3f1559.jpg
image by Uwe Kulick (Image rights)


5610100266_e04485f254.jpg
image by nippoletano (Image rights)
8580871388_80c2424344_n_d.jpg
image by Casual Camera Collector (Image rights)


Links

Retrieved from "http://camera-wiki.org/index.php?title=Minolta_SR-1&oldid=218718"