What is "Research Grade Optic" ?

Started by pornchai, 03/09/2009 04:52PM

Posted 03/09/2009 04:52PM Opening Post

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Location: Bangkok, TH

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I found some manufacturer of Lens or Mirror said on their ads like "Research Grade" optic. I really don't know what is a deffinition of research grade optic. Can any one please describe this? especially Roland Christien.

Thank you very much.
POP

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Posted 03/09/2009 05:02PM #1

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I believe this is nothing more than sales hype, with no specific meaning or definition applicable. smile

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[SIZE="Large"][/SIZE][COLOR="Blue"][/COLOR] Floyd Blue grin

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Posted 03/09/2009 05:10PM #2

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I agree with Floyd. Marketing research grade BS.

After all Galileo did important research with an instrument that by todays standards would be considered a joke (that's because it didn't have FPL53 glass, which, of course, any SERIOUS refractor HAS to have).

Jeff

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"Don't sweat the petty things and don't pet the sweaty things" 8O

Posted 03/12/2009 05:03PM #3

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Orion Optics UK calls one of their lines of Newtonian optics "Research Grade". In their case it means 1/8 PV wavefront and a Zygo test certificate of the main mirror.

But anyone could call anything research grade.

Best
Jesper

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