Difference between revisions of "Cosina CT-7"
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| − | The '''Cosina CT-7''' also known as '''Cosina Computer CT7''' is a manual focus 35mm [[SLR]] from [[Cosina]]. It accepts [[K mount]] type lenses. | + | The '''Cosina CT-7''' also known as '''Cosina Computer CT7''' is a manual focus 35mm [[SLR]] from [[Cosina]], announced in 1980.<ref>It was the flagship model listed in a slate of Cosina introductions in the [https://books.google.com/books?id=C2tHd0-73sgC&lpg=PA222&vq=Cosina&dq=Cosina&pg=PA222#v=snippet&q=Cosina&f=false April 1981 ''Popular Photography'', pg. 222]. Cosina began advertising in the [https://books.google.com/books?id=mcWWGkKHUiIC&lpg=PA3&vq=Cosina&dq=Cosina&pg=PA3#v=snippet&q=%22Cosina%20Touch%22&f=false May 1981 ''Popular Photography'', pg.3] stating: "in North America, Cosina equipment has been sold only under other brand names. But now … Cosina is establishing its own name in the USA and Canada." (Scans via [https://books.google.com/books Google Books].)</ref> It accepts [[K mount]] type lenses. |
This cameras was also sold as the '''Quantaray RZ 800''' for the [[Ritz Camera]] shops in the North America, as well as the '''[[Petri]] GX-4'''. | This cameras was also sold as the '''Quantaray RZ 800''' for the [[Ritz Camera]] shops in the North America, as well as the '''[[Petri]] GX-4'''. | ||
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The CT-7 features a center-weighted, open-aperture [[TTL]] metering system with match-LED display (and over indicator). In manual mode the viewfinder's 11 shutter speed LED's aid in proper setting. A LT (Long Time) lamp is lit to signify a 2 to 8 sec. shutter speed in auto mode. The meter has a range of 2 to 19 [[EV]] at (ASA 100), and can be set for film speeds from 25 to 1600 ASA. The film transport uses a manual film advance lever and a rewind crank. A '''Cosina auto-winder''' accessory was also available for the camera. The CT-7 uses two 1.5v SR44 batteries. | The CT-7 features a center-weighted, open-aperture [[TTL]] metering system with match-LED display (and over indicator). In manual mode the viewfinder's 11 shutter speed LED's aid in proper setting. A LT (Long Time) lamp is lit to signify a 2 to 8 sec. shutter speed in auto mode. The meter has a range of 2 to 19 [[EV]] at (ASA 100), and can be set for film speeds from 25 to 1600 ASA. The film transport uses a manual film advance lever and a rewind crank. A '''Cosina auto-winder''' accessory was also available for the camera. The CT-7 uses two 1.5v SR44 batteries. | ||
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| + | ==Notes== | ||
| + | <references/> | ||
==Links== | ==Links== | ||
Revision as of 23:43, 12 May 2021
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| Cosina Computer CT 7 image by Luis Ant. Rivera (Image rights) |
The Cosina CT-7 also known as Cosina Computer CT7 is a manual focus 35mm SLR from Cosina, announced in 1980.[1] It accepts K mount type lenses.
This cameras was also sold as the Quantaray RZ 800 for the Ritz Camera shops in the North America, as well as the Petri GX-4.
It has a electromagnetic metal focal plane shutter with speeds from 8s to 1/1000 in automatic aperture priority mode, and 2s to 1/1000 with B in manual mode. Shutter speed is set by the up and down buttons on the shoulder area of the camera. Flash sync is at 1/100 a sec. The self-timer is electronic with a delay of approx 10 sec.
The CT-7 features a center-weighted, open-aperture TTL metering system with match-LED display (and over indicator). In manual mode the viewfinder's 11 shutter speed LED's aid in proper setting. A LT (Long Time) lamp is lit to signify a 2 to 8 sec. shutter speed in auto mode. The meter has a range of 2 to 19 EV at (ASA 100), and can be set for film speeds from 25 to 1600 ASA. The film transport uses a manual film advance lever and a rewind crank. A Cosina auto-winder accessory was also available for the camera. The CT-7 uses two 1.5v SR44 batteries.
Notes
- ↑ It was the flagship model listed in a slate of Cosina introductions in the April 1981 Popular Photography, pg. 222. Cosina began advertising in the May 1981 Popular Photography, pg.3 stating: "in North America, Cosina equipment has been sold only under other brand names. But now … Cosina is establishing its own name in the USA and Canada." (Scans via Google Books.)
Links
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| Rebranded as Petri GX-4 image by Vagn1949 (Image rights) |
