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Equipment Discussions >> Eyepieces

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aatt
sage


Reged: 07/26/12

Loc: CT
Sterling plossls fast scopes
      #5540416 - 11/26/12 02:27 PM

Has anyone used the Sterling Plossls in F/5 or less? They have won praise on CN
see-- Review of the Sterling series of eyepieces
---by Michael Downs 10/12/10

Anyone like/dislike these in fast scopes? They are dirt cheap! Might be worth picking up a couple in seldom used Fl I am thinking...


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dlapoint
scholastic sledgehammer


Reged: 08/18/03

Loc: Moncton NB Canada
Re: Sterling plossls fast scopes new [Re: aatt]
      #5540507 - 11/26/12 03:22 PM

I find they work well even at f4.7

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M44
sage
*****

Reged: 03/24/07

Loc: SoCal.
Re: Sterling plossls fast scopes new [Re: dlapoint]
      #5540813 - 11/26/12 06:53 PM


I tried 17mm on my Tak FS-60CB (f/5.9) few years ago, I did not like the view, only 30-40% of the FOV was usable.


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BillP
Postmaster
*****

Reged: 11/26/06

Loc: Vienna, VA
Re: Sterling plossls fast scopes new [Re: aatt]
      #5540982 - 11/26/12 08:30 PM

Their optical design is similar to TVs using a concave eye and field lens instead of the standard flat surfaces. I did an in-depth comparison of the 20mm Sterling vs 20 TV Plossl and they were neck-in-neck in the transmission department and the off-axis went to the Sterling performing a tad better in my XT10 f/4.7 at the same TFOV off-axis position than the TV. They are a steal. 4mm and 6mm I'm not so thrilled about, ER just too short.

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