Discuss telescope eyepieces.
The 1X / 2X / 3X Magnification Protocol for eyepiece set selection
Replies: 29
by
Don Pensack »
Tue May 25, 2021 10:29 pm
First post
I wrote this a bit over 15 years ago. It still works today to yield a very basic set on which to build:
1X / 2X / 3X Magnification Protocol for...
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I like the magnifications a bit closer together with my 102mm as the magnifications pass 100x. I like 120x/150x/180x/210x as a goal so I can fight...
29 Replies
25554 Views
Last post by Don Pensack
Fri Dec 29, 2023 3:50 pm
A Guide to choosing eyepieces
Replies: 19
by
OleCuss »
Sat Apr 27, 2019 4:40 am
First post
There is much controversy over eyepieces and their selection and this will persist for eternity. The reason for this is that each of us has a...
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An excellent common sense article. Math is not my strong point, but even I could follow your analysis. It is very easy to go down rabbit holes after...
19 Replies
35962 Views
Last post by Don Pensack
Fri Dec 29, 2023 3:40 pm
Creating a basic set of eyepieces for your new telescope
Replies: 69
by
Lady Fraktor »
Thu May 23, 2019 2:34 am
First post
One of the most asked questions by beginners, What eyepieces should I get?
There is always a lot of discussion from people on what eyepieces to get...
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Your 11 mm eyepiece will give exit pupil of 1.28 mm, TFOV of 0.625° and a power of 20x per inch of aperture.
Well within the limits of the...
69 Replies
109290 Views
Last post by Lady Fraktor
Thu Dec 07, 2023 1:06 pm
Evolution of Eyepieces by Chris Lord
Replies: 19
by
notFritzArgelander »
Sun Oct 27, 2019 2:36 am
First post
I just brought this over from the old place. I suggest we make this sticky?
Last post
You might like this information, too:
The Erfles, and some other eyepieces are desribed by the Zeiss designers in
DIE FERNROHRE UND...
19 Replies
42000 Views
Last post by j.gardavsky
Sun Aug 15, 2021 3:39 pm
Evolution of Eyepieces .
Replies: 23
by
messier 111 »
Thu Apr 25, 2024 1:31 am
First post
this is what the future eyepiece will look like ,
We cannot stop progress, but progress can stop us.
Last post
Oz I think you left about 2 dozen no off of that response.
23 Replies
1449 Views
Last post by Lady Fraktor
Mon May 06, 2024 5:15 pm
ES 52° eyepiece series
Replies: 7
by
Nakedgun »
Thu May 02, 2024 12:57 am
First post
~
Does anyone have experience with this line?
Thank you.
.
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This same question has been asked on CloudyNights.com and StargazersLounge.com recently.
There are a lot of reviews on-line, in threads with a lot of...
7 Replies
280 Views
Last post by Don Pensack
Sat May 04, 2024 3:55 pm
Astro-Tech EPs
Replies: 14
by
JayTee »
Sat Jun 24, 2023 6:58 pm
First post
Has anyone tried any of the UWA EPs from Astro-Tech? I just stumbled across them today and became curious about their performance.
They can be found...
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The eye relief on the 7mm/100 is definitely tight. You have to get your eye right in there to see the whole FOV. Fortunately I am used to short eye...
14 Replies
2197 Views
Last post by Mike Q
Tue Apr 23, 2024 12:49 am
10 inch SCT eyepieces
Replies: 3
by
Mike Q »
Sun Apr 21, 2024 5:06 pm
First post
So later in May i am being given a Meade 10 inch LX200 F10 SCT. It is an older scope that has had all the electronic replaced. It comes with a 2 inch...
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Well we are going to see how well they do when i get it home. Hopefully buy sometime in June i will have a cart made for it so i can easily transport...
3 Replies
430 Views
Last post by Mike Q
Mon Apr 22, 2024 12:38 am
2024 Eyepieces Buyer's Guide
Replies: 4
by
Don Pensack »
Wed Apr 17, 2024 11:05 pm
First post
I have just posted the 2024 Eyepieces Buyer's Guide here:
Last post
Wow Don, that is a tremendous reference guide. Thank you for all the work that went into this.
Can I assume that if I see two vendors eye pieces...
4 Replies
721 Views
Last post by Don Pensack
Sat Apr 20, 2024 9:27 pm
Delite selection
Replies: 11
by
Caldwell 14 »
Thu Apr 11, 2024 4:10 pm
First post
Hello folks
I own a Tele Vue 102 refractor and and have a small selection of eyepieces and try to keep it that way. My scope is 8.6fl and I...
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I agree with Gabby. I have the Tele-pod and use it with the TV76. I also have a Tak TSA 102 which I often put on a Stellarvue M2 or a home-made...
11 Replies
850 Views
Last post by DeanD
Wed Apr 17, 2024 12:44 pm
ES 9mm 100 degree
Replies: 15
by
Mike Q »
Mon Feb 05, 2024 9:23 pm
First post
Well i have taken the plunge into 100 degree eyepieces. Saturday night i dropped my new ES 9mm 100 degree into the focuser of the 16 inch with a GSO...
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I made the decision to go ahead and buy the AT 7mm 100 degree eyepiece last week. It will get use in the 102 and the 10 inch more then the 16 inch...
15 Replies
1524 Views
Last post by Mike Q
Thu Apr 11, 2024 11:47 pm
New Baader Zoom
Replies: 4
by
JayTee »
Wed Feb 14, 2024 10:09 pm
First post
My Baader Hyperion Zoom Mark IV EP from Birthday money just showed up in today's post and it may actually be clear tonight. YAY.
Baader Zoom.jpg
Last post
Yeah they are a great zoom. I used one for years. Very comfortable, nice views and very convenient.
4 Replies
814 Views
Last post by Caldwell 14
Thu Apr 11, 2024 5:03 pm
I'm looking to buy a zoom .
Replies: 20
by
messier 111 »
Mon Mar 18, 2024 12:00 am
First post
hi all ,
I'm looking to buy a zoom lens for my new friend Lunt 80mm Solar MT.
several people tell me about the zoom, Baader Hyperion Universal Zoom...
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Zooms can be sharp, but they have very narrow fields of view in general.
The Leica Aspherical and the APM Super Zoom are two exceptions.
The Svbony...
20 Replies
1886 Views
Last post by messier 111
Wed Mar 27, 2024 10:01 pm
Eyepiece Ident
Replies: 2
by
KLA58 »
Tue Feb 13, 2024 6:08 pm
First post
Skysafari 6+ has a section to load your specific equipment. While loading mine I discovered that my eyepieces are not listed. Does anyone know why...
Last post
Thanks Lady Fraktor. Appreciate all the help I can get.
A Plossl eyepiece is pretty standard.
4 elements in 2 groups with a 50-52° AFOV. If it...
2 Replies
764 Views
Last post by KLA58
Wed Feb 14, 2024 1:36 pm
result of the Televue survey.
Replies: 6
by
messier 111 »
Thu Jan 25, 2024 11:43 pm
First post
result of the Televue survey.
Last post
I don't think they plan to rest on their laurels.
I suspect the purpose of the poll was to get opinions about what customers found valuable so they...
6 Replies
1302 Views
Last post by DeanD
Thu Feb 01, 2024 11:18 am
TV eyepiece survey
Replies: 10
by
Nakedgun »
Sun Jan 07, 2024 6:01 am
First post
~
Today, I took the nine-question email survey.
All I want them to change is to lose the accursed undercuts.
We'll see.
.
Last post
~
Today, I took the nine-question email survey.
All I want them to change is to lose the accursed undercuts.
We'll see.
.
I would be shocked if...
10 Replies
1241 Views
Last post by Don Pensack
Sun Jan 14, 2024 3:13 pm
Orion LHD long eye relief 80°
Replies: 6
by
25585 »
Fri Jun 18, 2021 6:20 pm
First post
Under their own brand name, Orion sells a range of (advertised) 20mm eye relief 80° AFOV eyepieces.
They are 4.5mm, 6mm, 9mm all 1.25 fit, and two 2...
Last post
The modifications I made did not cure the EOFB, so I passed the eyepiece on to someone else.
6 Replies
2489 Views
Last post by Don Pensack
Fri Dec 29, 2023 3:33 pm
Nice sale on Explore Scientific EPs
Replies: 11
by
Ylem »
Thu Apr 06, 2023 10:37 pm
First post
I received an email from Agena with some good sales, especially on ES EPs, especially the 68°s
Last post
ES has a sale going on right now. I snagged both the 4.5/82 and 11/82, basically it was buy one get one free
11 Replies
2522 Views
Last post by Mike Q
Sat Dec 23, 2023 1:10 pm
Bargain of the year
Replies: 4
by
OzEclipse »
Fri Nov 24, 2023 9:53 am
First post
I just bought a Pentax XF 6.5-19mm zoom eyepiece. These prices are in AUD.
these eyepieces that usually retail at Astro shops for AUD400(USD270)....
Last post
I just bought a Pentax XF 6.5-19mm zoom eyepiece. These prices are in AUD.
these eyepieces that usually retail at Astro shops for AUD400(USD270)....
4 Replies
951 Views
Last post by DeanD
Sun Nov 26, 2023 5:14 am
20mm GSO SuperView?
Replies: 5
by
pakarinen »
Thu Oct 26, 2023 2:32 pm
First post
Thinking about trying one of these to keep plugged in to one of my f5s for fast grab-n-go use when I don't want to take out my EP case. Pretty...
Last post
I love the price on these GSO's and am very happy with the loaner. At f/7 in my AT80ED they performed.
Good to know. I'd be using one with my...
5 Replies
1125 Views
Last post by pakarinen
Thu Nov 09, 2023 2:06 pm
Astrotech PF EPs?
Replies: 2
by
pakarinen »
Fri Mar 17, 2023 2:09 pm
First post
Anybody have eyes-on experience with Astrotech PF EPs? I thought I might try one as a spare just for grins since they're only $60 or so.
Last post
I have the AT-PF 5.5, 15.5 & 25mm. I got them for $40.00 US from astronomics.com and love them. Not sure how they run in a faster scope but my AT80ED...
2 Replies
1264 Views
Last post by rickclark28
Sat Nov 04, 2023 5:04 pm
Masuyama Eyepieces
Replies: 2
by
Lady Fraktor »
Sat Oct 07, 2023 6:30 pm
First post
Astro Hutech is showing a full line of new Masuyama eyepieces.
No pricing at the moment but hopefully they will update and be in stock soon.
These...
Last post
Some people on a different forum really make what is left of my brain boil...
For whatever reason Astro Hutech has claimed that the MOP on the...
2 Replies
999 Views
Last post by Lady Fraktor
Mon Oct 09, 2023 5:36 pm
First Light for 12 Eyepieces with Limited Comparisons
Replies: 3
by
StarBru »
Mon Oct 02, 2023 9:34 pm
First post
Sunday, September 24, 2023
Where: My backyard in Arizona
Target: Saturn
Telescope: Meade 127mn f/9.3 refractor on a Skywatcher EQ6R-PRO w/WiFi
The...
Last post
A good quick test for any eyepiece is to move the view in front of the object and let it drift into view.
If there is scatter issues or flaring it...
3 Replies
876 Views
Last post by StarBru
Tue Oct 03, 2023 2:31 pm
Zoom EPs with Binoviewer
Replies: 2
by
Michael131313 »
Fri Sep 29, 2023 8:18 pm
First post
Hi Everyone,
How well do zoom EPs work with binoviewers?
Thanks Michael
Last post
Thanks a lot Bigzmey.
2 Replies
794 Views
Last post by Michael131313
Fri Sep 29, 2023 10:10 pm
celestron 12mm eyepiece
Replies: 11
by
newbiemaker09 »
Fri Aug 18, 2023 4:05 pm
First post
i have aquired a celestron 12mm eyepiece model number 93305 from 1988 in a model rocket box i got from a family friend and I'm not sure what to do...
Last post
maybe ill post it on the classifieds and put make offer
11 Replies
1503 Views
Last post by newbiemaker09
Wed Aug 30, 2023 3:44 pm
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