Difference between revisions of "Cosina CT-7"
(→Links: PopPho test report at Google Books) |
Hanskerensky (talk | contribs) (Added Category:C) |
||
(2 intermediate revisions by one other user not shown) | |||
Line 10: | Line 10: | ||
}} | }} | ||
− | 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= | + | 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=PP1&pg=PA222#v=onepage&q&f=false April 1981 ''Popular Photography'', pg. 222]. Cosina began advertising in the [https://books.google.com/books?id=mcWWGkKHUiIC&lpg=PP1&vq=Cosina&pg=PA3#v=onepage&q&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 camera 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 camera was also sold as the '''Quantaray RZ 800''' for the [[Ritz Camera]] shops in the North America, as well as the '''[[Petri]] GX-4'''. | ||
Line 17: | Line 17: | ||
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. | ||
+ | |||
+ | A version of this camera designated the '''CT-7D''' (or '''Computer CT7D''') was presented at the PMA 1981 show<ref>As reported in the [https://books.google.com/books?id=PGXK2l6zq5oC&lpg=PA70&ots=YqhFwYboRY&dq=%22Cosina%20CT-7D%22&pg=PA70#v=onepage&q=%22Cosina%20CT-7D%22&f=false July 1981 Popular Photography magazine, pg. 70] via [https://books.google.com/books Google Books].</ref> and includes a non-removable date/data imprinting back. | ||
==Notes== | ==Notes== | ||
Line 34: | Line 36: | ||
|image_rights= nc | |image_rights= nc | ||
}} | }} | ||
− | [[Category:Japanese 35mm SLR]] [[Category:Cosina]] | + | |
+ | [[Category:Japanese 35mm SLR]] | ||
+ | [[Category:Cosina|CT-7]] | ||
+ | [[Category:C|CT-7 Cosina]] | ||
[[Category:K mount]] | [[Category:K mount]] |
Latest revision as of 06:03, 16 February 2023
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 camera 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 an 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.
A version of this camera designated the CT-7D (or Computer CT7D) was presented at the PMA 1981 show[2] and includes a non-removable date/data imprinting back.
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.)
- ↑ As reported in the July 1981 Popular Photography magazine, pg. 70 via Google Books.
Links
- Cosina CT-7 manual at Mike Butkus' Orphan Cameras
- The CT-7 features advertised in the June 1981 Popular Photography, pg. 55, via Google Books
- The CT-7 tested in the February 1982 Popular Photography, pg. 103, via Google Books
Rebranded as Petri GX-4 image by Vagn1949 (Image rights) |