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Re: [ATM] Looking for: The ATM Page - Eyepiece Focal Positions
I have a copy of a spreadsheet called epfiles.xls (dated 7/2003), 533kb
It has data for 389 eyepieces.
There's no author name or copyright notice on it that I can find.
Would this be helpful ?
Here's a fragment exported to ASCII
>
> Parfoc,focale,Type,Brand,Elt.,FOV,Magnif.,"X / """,Exit pupil,Eye relief,Field stop,Chmp réel,,Chmp réel,,Chmp réel,,True field,,,,Barrel size,Price,BE/LU,,FR,Weight,Length (full),Lg.barrillet,"Dia.2""",Diam.exter.,Comments
> ,(mm),,,,(°),,,,(mm),(mm),2x,,f=,,f=,,,,,,(mm),($),,,,(g),(cm),(cm),(cm),(cm),
> ,100,Modified Plossl,Paul Rini,5?,28,20,3,10.00,,48.9,0.70,#REF!,1.40,0.40,#REF!,#REF!,1,°,24.0,',2,40,,,,,,,,,prob.too much relief (blackout)
> (d),80,Ultima,Celestron,5,36,25,3,8.00,32,50.3,0.72,#REF!,1.44,0.44,#REF!,#REF!,1,°,26.4,',2,90,8130,,,,,,,,"short FOV, prob. View hard to hold due to huge relief"
> ,68,Modified Plossl,Paul Rini,3?,40,29,4,6.80,,47.5,0.68,#REF!,1.36,0.36,#REF!,#REF!,1,°,21.6,',2,40,,,,,,,,,
Andre Yanoviak wrote:
> Hello,
>
> This was a terrific resource; apparently now it's gone. It was at
> http://www.atmpage.com/epfocal.html.
>
> Has it moved elsewhere? Or did anyone save a copy?
>
> I'm trying to decide on focuser travel for the scope I'm designing to cover
> the EPs I don't have but do desire. From what I can recall, this would
> answer my questions or at least give me a great start.
>
> Thanks,
>
> -- Andre
>
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