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#1
April 24th 17, 10:23 AM
posted to rec.photo.digital
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If you have a spare $10,000 and an interest in astronomy orsky-shooting...
On 24/04/2017 1:47 @wiz, RichA wrote:
Questar Corporation is after 30 years of speculation building a 5" telescope. Questar is an American company that makes premium telescopes of 90mm and 180mm aperture, Maksutov-Cassegrains, which are kind of like camera mirror-lenses. But better optically. They built a 700mm camera mirror lens in the 1970's which is considered the best mirror-lens ever made. Focal length of the 5" aperture model would be 1900mm, uncompressed. Early prototypes are he https://www.cloudynights.com/topic/574477-questar-5/ Awesome! Thanks a lot for sharing! 
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#2
April 24th 17, 10:46 AM
posted to rec.photo.digital
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If you have a spare $10,000 and an interest in astronomy or sky-shooting...
In article , Noons
wrote: On 24/04/2017 1:47 @wiz, RichA wrote: Questar Corporation is after 30 years of speculation building a 5" telescope. Questar is an American company that makes premium telescopes of 90mm and 180mm aperture, Maksutov-Cassegrains, which are kind of like camera mirror-lenses. But better optically. They built a 700mm camera mirror lens in the 1970's which is considered the best mirror-lens ever made. Focal length of the 5" aperture model would be 1900mm, uncompressed. Early prototypes are he https://www.cloudynights.com/topic/574477-questar-5/ Awesome! Thanks a lot for sharing! Yea... Right... http://www.smhi.se/weatherCacheSMHI2...4_scan2___1704 241024_qy8vj.jpg The astronomers around here do most observations tethered these days... http://www.eso.org/public/teles-instr/ -- teleportation kills
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#3
April 24th 17, 11:56 PM
posted to rec.photo.digital
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If you have a spare $10,000 and an interest in astronomy or sky-shooting...
On Mon, 24 Apr 2017 11:46:19 +0200, android wrote:
In article , Noons wrote: On 24/04/2017 1:47 @wiz, RichA wrote: Questar Corporation is after 30 years of speculation building a 5" telescope. Questar is an American company that makes premium telescopes of 90mm and 180mm aperture, Maksutov-Cassegrains, which are kind of like camera mirror-lenses. But better optically. They built a 700mm camera mirror lens in the 1970's which is considered the best mirror-lens ever made. Focal length of the 5" aperture model would be 1900mm, uncompressed. Early prototypes are he https://www.cloudynights.com/topic/574477-questar-5/ Awesome! Thanks a lot for sharing! Yea... Right... http://www.smhi.se/weatherCacheSMHI2/satellitbilder/pps_ir4_scan2___1704241024_qy8vj.jpg Doesn't work. The astronomers around here do most observations tethered these days... http://www.eso.org/public/teles-instr/ -- Regards, Eric Stevens
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#4
April 25th 17, 05:57 AM
posted to rec.photo.digital
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If you have a spare $10,000 and an interest in astronomy or sky-shooting...
In article ,
Eric Stevens wrote: On Mon, 24 Apr 2017 11:46:19 +0200, android wrote: In article , Noons wrote: On 24/04/2017 1:47 @wiz, RichA wrote: Questar Corporation is after 30 years of speculation building a 5" telescope. Questar is an American company that makes premium telescopes of 90mm and 180mm aperture, Maksutov-Cassegrains, which are kind of like camera mirror-lenses. But better optically. They built a 700mm camera mirror lens in the 1970's which is considered the best mirror-lens ever made. Focal length of the 5" aperture model would be 1900mm, uncompressed. Early prototypes are he https://www.cloudynights.com/topic/574477-questar-5/ Awesome! Thanks a lot for sharing! Yea... Right... http://www.smhi.se/weatherCacheSMHI2...an2___17042410 24_qy8vj.jpg Doesn't work. snozersarelosers The astronomers around here do most observations tethered these days... http://www.eso.org/public/teles-instr/ -- teleportation kills
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