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2014 Buyer's Guide to Eyepieces

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#1 Starman1

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Posted 04 July 2014 - 11:31 AM

Here it is for Summer 2014.
Prices are all updated, new models and brands added, discontinued eyepieces deleted.
Please send me a private message if I have left out something or if you have information about eyepieces that can fill in missing fields.

As usual, fill in your telescope's focal length and f/ratio in the top of the column boxes labeled in red, and hit enter, and it will populate all the other fields. If you have multiple scopes, just change the figure any time you wish to see figures for a different scope.

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#2 JonNPR

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Posted 04 July 2014 - 12:36 PM

Thanks, Don! This is such a superb tool - and must represent a lot of time and effort. Great reference.

Happy 4th,

Jon

#3 dpippel

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Posted 04 July 2014 - 02:30 PM

Yes, thanks for once again providing us with this valuable tool Don! Your efforts are much appreciated,

#4 belgrade

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Posted 04 July 2014 - 05:17 PM

Thank you!

#5 Aquarist

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Posted 04 July 2014 - 05:25 PM

Thanks ever so much Don. Absolutely wonderful tool!

#6 Starman1

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Posted 04 July 2014 - 07:01 PM

I did leave some eyepieces out on purpose:
--some photographic-only eyepieces that are unlikely to be visually used
--illuminated reticle, guiding eyepieces.
--some eyepieces long discontinued with a few remnants available for sale from selected vendors.
--0.965" eyepieces
--eyepieces known to have plastic lenses
--eyepieces that ONLY come with scopes (in the box)
--really cheap (<$10) eyepieces sold on eBay.
--Ramsden, Huygens, and a few others not really worthy of consideration unless you have an f/25+ refractor on a wooden pole mount :grin:
--microscope eyepieces (you COULD machine an adapter, but why bother?)

#7 Martti

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Posted 05 July 2014 - 01:11 AM

Thank You very much, Don, Starman1!

#8 hottr6

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Posted 05 July 2014 - 07:26 AM

:waytogo:

#9 kevint1

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Posted 05 July 2014 - 07:53 AM

Thanks, Don. This is a great guide!

#10 DNTash

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Posted 05 July 2014 - 08:20 AM

:waytogo:

:waytogo:+1

#11 Lew Zealand

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Posted 05 July 2014 - 10:25 AM

This is wonderful! Thanks, Don. As a numbers junkie, this gives me the opportunity to waste a day or two looking at trends, etc. It converted perfectly to my non-XL SS app as well.

#12 REC

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Posted 05 July 2014 - 01:09 PM

Nice going!

#13 havasman

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Posted 05 July 2014 - 02:25 PM

thanks VERY much!

#14 audioaficionado

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Posted 05 July 2014 - 03:36 PM

:waytogo:

:waytogo:+1

:waytogo:+2

#15 azure1961p

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Posted 05 July 2014 - 08:38 PM

Thanks Don. Those two pair of BCO I bought from you some time ago are doing wonderfully . You ought to honestly write a book on eyepieces, the history, the present, the future, how, why and what etc, if even just in ebooks.

Pete

#16 stargazer193857

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Posted 05 July 2014 - 10:03 PM

Don is very educational, and we are lucky to have him here.

#17 hamdul

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Posted 05 July 2014 - 10:31 PM

Don,
Thanks a bunch... one question Focal length in inches or mm?

#18 Starman1

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Posted 06 July 2014 - 12:43 AM

Millimeters.
Don

#19 CelestronDaddy

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Posted 06 July 2014 - 07:59 AM

Don - Very nice :waytogo: Thanks ...

#20 cpper

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Posted 06 July 2014 - 04:03 PM

I was waiting for this...thank you ! :D

#21 Tom886

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Posted 07 July 2014 - 04:28 AM

Was waiting for that, your 2013 guide was already very helpful for me.
However, is it only me who has in Column M only #Value?
Column N and O are just references to =N1 =N2, so somehow there is nothing.
This results in Column P,Q,R in non existent values.

CS
Tom

#22 Kutno

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Posted 07 July 2014 - 06:25 AM

Thank you, Don, for your useful guide and for the very fine contributions you make to the forum.

#23 Starman1

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Posted 07 July 2014 - 11:20 AM

Was waiting for that, your 2013 guide was already very helpful for me.
However, is it only me who has in Column M only #Value?
Column N and O are just references to =N1 =N2, so somehow there is nothing.
This results in Column P,Q,R in non existent values.

CS
Tom

Column M and P and R fill in when you enter your telescope's focal length in N1 and hit enter.
Column Q fills in when you enter your scope's f/ratio in O1 and hit enter.

#24 MPD

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Posted 07 July 2014 - 12:10 PM

I should have the searchable web-version of this ready by the weekend. I have a proof of concept working with the 2013 data, and just need to import the new data and test.

#25 jjack's

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Posted 07 July 2014 - 05:05 PM

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