Difference between revisions of "Petri 7s"
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| − | The '''Petri 7s''' is a 35mm fixed-lens rangefinder camera made by [[Petri]] in 1962<ref>According to McKeown; other sources say '63; perhaps the delay between announcement by Petri in Japan and availability in foreign markets. {{McKeown12}} p579.</ref> as an improved replacement for the [[Petri 7]] of 1961. Like that camera, it has an around-the-lens [[Selenium_meter|selenium]] cell [[light meter]], which reads Light Values 7 to 17.<ref>[http://www.butkus.org/chinon/petri/petri_7s/petri_7s.htm User's manual] at Mike Butkus' [http://www.butkus.org/chinon/ Orphan Cameras].</ref> This is improved in the 7s by the addition of a second match-needle display on the top plate; the original model has the meter display only in the viewfinder. This top-plate display was retained in later models. | + | The '''Petri 7s''' is a 35mm fixed-lens rangefinder camera made by [[Petri]] in 1962<ref>According to McKeown; other sources say '63; perhaps the delay between announcement by Petri in Japan and availability in foreign markets. {{McKeown12}} p579.</ref> as an improved replacement for the [[Petri 7]] of 1961. Like that camera, it has an around-the-lens [[Selenium_meter|selenium]] cell [[light meter]], which reads Light Values 7 to 17.<ref>[http://www.butkus.org/chinon/petri/petri_7s/petri_7s.htm User's manual] at Mike Butkus' [http://www.butkus.org/chinon/ Orphan Cameras].</ref> This is improved in the 7s by the addition of a second match-needle display on the top plate; the original model has the meter display only in the viewfinder. This top-plate display was retained in later models. On the first version of the 7S there is a translucent panel on the front of the top housing, in front of the shutter release button; this panel served no apparent purpose, and was deleted later in the production run. |
| − | Other differences from the previous model include an improved [[film advance]] lever (pictured below right) and frame counter. The lens is the same as in the previous model; a coated 45mm f/2.8 or f/1.8. A clamp-on hood was supplied, and the lens accepts 52mm screw-in filters; these will cover the meter sensor, so exposure will be corrected for the filter. The Citizen [[leaf shutter]] gives speeds from 1 to 1/500 second, plus 'B', and is [[flash sync|synchronised]], switchable between X- and M-synch. with a small lever on the lens barrel. There is also a self-timer. The brightline frame in the viewfinder is also slightly improved, having extra marks for parallax error correction when focused close up. | + | Other differences from the previous model include an improved [[film advance]] lever (pictured below right) and frame counter. The lens is the same as in the previous model; a coated 45mm f/2.8 or f/1.8. A clamp-on hood was supplied, and the lens accepts 52mm screw-in filters; these will cover the meter sensor, so exposure will be corrected for the filter. The Citizen [[leaf shutter]] gives speeds from 1 to 1/500 second, plus 'B', and is [[flash sync|synchronised]], switchable between X- and M-synch. with a small lever on the lens barrel. There is also a self-timer. The brightline frame in the viewfinder is also slightly improved, having extra marks for parallax error correction when focused close up. Early versions of the 7S included a silver and black aperture ring, while later versions used an all-black aperture ring. |
Production ended in 1973, and the 7s was superseded by the [[Petri 7s II]] in 1974. | Production ended in 1973, and the 7s was superseded by the [[Petri 7s II]] in 1974. | ||
Revision as of 22:06, 22 November 2023
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| Petri 7s image by Christopher Robin Roberts (Image rights) |
The Petri 7s is a 35mm fixed-lens rangefinder camera made by Petri in 1962[1] as an improved replacement for the Petri 7 of 1961. Like that camera, it has an around-the-lens selenium cell light meter, which reads Light Values 7 to 17.[2] This is improved in the 7s by the addition of a second match-needle display on the top plate; the original model has the meter display only in the viewfinder. This top-plate display was retained in later models. On the first version of the 7S there is a translucent panel on the front of the top housing, in front of the shutter release button; this panel served no apparent purpose, and was deleted later in the production run.
Other differences from the previous model include an improved film advance lever (pictured below right) and frame counter. The lens is the same as in the previous model; a coated 45mm f/2.8 or f/1.8. A clamp-on hood was supplied, and the lens accepts 52mm screw-in filters; these will cover the meter sensor, so exposure will be corrected for the filter. The Citizen leaf shutter gives speeds from 1 to 1/500 second, plus 'B', and is synchronised, switchable between X- and M-synch. with a small lever on the lens barrel. There is also a self-timer. The brightline frame in the viewfinder is also slightly improved, having extra marks for parallax error correction when focused close up. Early versions of the 7S included a silver and black aperture ring, while later versions used an all-black aperture ring.
Production ended in 1973, and the 7s was superseded by the Petri 7s II in 1974.
Notes
- ↑ According to McKeown; other sources say '63; perhaps the delay between announcement by Petri in Japan and availability in foreign markets. McKeown, James M. and Joan C. McKeown's Price Guide to Antique and Classic Cameras, 12th Edition, 2005-2006. USA, Centennial Photo Service, 2004. ISBN 0-931838-40-1 (hardcover). ISBN 0-931838-41-X (softcover). p579.
- ↑ User's manual at Mike Butkus' Orphan Cameras.
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| Top view, showing the match-needle meter display image by AWCam (Image rights) |
Links
- Petri 7s manual at Mike Butkus Orphan Cameras
- Petri 7s at Karen Nakamura's Photoethnography.com
- Petri 7, Petri 7S, Petri 7 S II on www.collection-appareils.fr (in French)
