Difference between revisions of "Teleros"
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| − | The '''Teleros''' is a telephoto lens made by [[Ross]] of London. It was introduced in 1922, and replaced the [[Telecentric]]. It was made until at least 1938.<ref>[ | + | The '''Teleros''' is a telephoto lens made by [[Ross]] of London. It was introduced in 1922, and replaced the [[Telecentric]]. It was made until at least 1938.<ref>[https://www.cameraeccentric.com/static/img/pdfs/ross_2.pdf Ross advertisement] in the ''British Journal Almanac 1938'', at [https://www.cameraeccentric.com/ Camera Eccentric].</ref> It was made in a wide range of focal lengths, from a 4-inch Leica-fitting lens to a 40-inch lens intended for 8½x6½ inch plate cameras. It was available as an f/5.5 with magnification of two (i.e. the back-focus is one half of the focal length) or an f/6.3 with a magnification of three. |
{{Flickr_image | {{Flickr_image | ||
|image_source= http://www.flickr.com/photos/nesster/10491685746/in/pool-camerawiki/ | |image_source= http://www.flickr.com/photos/nesster/10491685746/in/pool-camerawiki/ | ||
|image= https://live.staticflickr.com/3790/10491685746_26fb942d5c.jpg | |image= https://live.staticflickr.com/3790/10491685746_26fb942d5c.jpg | ||
| − | |image_align= | + | |image_align= right |
|image_text= Ross Xpres & Teleros advertisments 1937 | |image_text= Ross Xpres & Teleros advertisments 1937 | ||
|image_by= Nesster | |image_by= Nesster | ||
|image_rights= creative commons | |image_rights= creative commons | ||
}} | }} | ||
| + | |||
==Notes== | ==Notes== | ||
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==Links== | ==Links== | ||
| − | * [ | + | * [https://www.leitz-auction.com/en/Ross-Teleros-5.5-4/AI-9-26658 Leica-mount 4-inch f/5.5 Teleros] sold at the [https://www.leitz-auction.com/en/Cameras/Past-Auctions/Auction-9/ ninth Westlicht Photographica Auction], on 20 May 2006. |
* [http://www.earlyphotography.co.uk/site/entry_C346.html#C346 Tropical Folding Minex with a Ross Xpres and a Teleros of about 1934], at [http://www.earlyphotography.co.uk/ Early Photography]. | * [http://www.earlyphotography.co.uk/site/entry_C346.html#C346 Tropical Folding Minex with a Ross Xpres and a Teleros of about 1934], at [http://www.earlyphotography.co.uk/ Early Photography]. | ||
[[Category:Lenses]] | [[Category:Lenses]] | ||
[[Category:Ross]] | [[Category:Ross]] | ||
Latest revision as of 16:04, 4 February 2024
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The Teleros is a telephoto lens made by Ross of London. It was introduced in 1922, and replaced the Telecentric. It was made until at least 1938.[1] It was made in a wide range of focal lengths, from a 4-inch Leica-fitting lens to a 40-inch lens intended for 8½x6½ inch plate cameras. It was available as an f/5.5 with magnification of two (i.e. the back-focus is one half of the focal length) or an f/6.3 with a magnification of three.
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| Ross Xpres & Teleros advertisments 1937 image by Nesster (Image rights) |
Notes
- ↑ Ross advertisement in the British Journal Almanac 1938, at Camera Eccentric.
