A shroud is not necessary, even not if it isn't windy at all, if the sope is well baffled. I never use one in my 20" and when I look through the focuser ...
1409
Paul Kemp
paulkemp@...
Jul 7, 2001 7:35 am
I have just completed installing the primary mirror into my 13.1" ATM Dob. I require some advise from users who have had experience with TV and other...
1410
Tom & Lou Krajci
krajcit@...
Jul 7, 2001 3:08 pm
... the scope? Yes, because of the large wind profile a shroud adds to the tube assembly...the scope gets pushed away from the object...and in strong enough ...
1411
rabradman@...
Jul 7, 2001 5:47 pm
... I uploaded a picture to the "files" area of this web site called clamps.jpg. Maybe a picture can explain better what to do with those UTA clamps. / rodger...
1412
allanm08540@...
Jul 8, 2001 9:42 pm
This may be an obvious question to some but I'll ask it anyway since others are likely curious about this when deciding which eyepieces to purchase. I have...
1413
john kagey
scopeking@...
Jul 8, 2001 10:47 pm
i dont claim to know all the benifits but i do know this,its not the barrel you have to worry about so much as the bottem lens,often higher power lenses and...
1414
Frederick Paul Kiesch...
FKiesche3@...
Jul 8, 2001 11:24 pm
Dear Folks: I'm in the process of selling my 15" (yes, 15", not 14.5" or 16.0") StarMaster. This was Rick Singmaster's first scope, and was used as a demo...
1415
shneor@...
Jul 9, 2001 3:31 pm
... since ... to ... barrel ... ( ... wide ... Mark, the main diffrence is in the size of the field of view. The field stop of an eyepiece (the clear diameter...
1416
paulbelow@...
Jul 9, 2001 3:49 pm
... veil on the scope? I am sure he is saying that if it is windy, a shroud on a Dob turns it into a big wind vane....
1417
Frank Bov
frankbov@...
Jul 9, 2001 10:32 pm
Mark, What's not obvious at first is that using a telescope is a 2-step imaging process. - the telescope creates an image at the focal plane - the eyepiece...
1418
Louis Halikman
bonedoctor51@...
Jul 10, 2001 12:39 am
Hello all: I have a l5" f/5 Tectron dob that seems to need mirror work. I am at least the third owner, and the mirror probably has never been recoated. I've...
1419
john kagey
scopeking@...
Jul 10, 2001 4:25 am
yes coating would probally help,spectrum has the besrt coating on the market today and is very reasonbale on price ... From: Louis Halikman To:...
1420
allanm08540@...
Jul 10, 2001 8:27 pm
What I still don't understand is that if the entire light cone coming off the diagonal can fit through the field stop of 1.25 inch eyepieces, then the larger...
1421
nightowl1130@...
Jul 11, 2001 3:19 am
Mark, the focal plane is made up of 3 basic components. 1) the fully illuminated (100%) zone 2) the 75% illuminated zone 3) the 50% illuminated zone The size...
1422
rjbrjb20022002@...
Jul 11, 2001 9:08 pm
... I have not gotten round to it yet, but will evenutally send my Starfinder 10 mirror to Swayze Optical in Portland, OR. They have a service in which they...
1423
john kagey
scopeking@...
Jul 12, 2001 6:42 am
ive used the clausing coating in the past and was not satisfied with it at all. swayze uses spectrum for most of hias coatings up to 24 inches in diameter. ...
1424
Roebber, Pete
pete.roebber@...
Jul 12, 2001 4:18 pm
Has anyone tried out the Axiom Eyepieces? I'm thinking of getting a couple of really nice 2" EPs for my soon-to-be-finished 18" F/4.5 Obsession. I was thinking...
1425
john kagey
scopeking@...
Jul 12, 2001 4:24 pm
can you send a link to these eyepieces,i would like to read about them. thabks john. ps,keep us updated ... From: Roebber, Pete To: 'bigdob@yahoogroups.com' ...
1426
Roebber, Pete
pete.roebber@...
Jul 12, 2001 4:31 pm
http://www.celestron.com/access/axiom.htm ... From: john kagey [mailto:scopeking@...] Sent: Thursday, July 12, 2001 9:22 AM To:...
1427
Curt Wittenberg
curtwitt@...
Jul 12, 2001 4:40 pm
... I had a mirror made by Swayze that I am very happy with. I have colleagues who have mirrors made by or refigured by Steve and they all are very satisfied....
1428
john kagey
scopeking@...
Jul 12, 2001 5:08 pm
thanks for the link,i spent about 10 minutes looking for a price but couldnt find any, i assume they are a good bit cheaper then naglers. john ... From:...
1429
Roebber, Pete
pete.roebber@...
Jul 12, 2001 6:02 pm
I found the following prices by doing a web search: 19mm $169 40mm $249 50mm $272 Couldn't find a price for the 34mm. Pete ... From: john kagey...
1430
Louis Halikman
bonedoctor51@...
Jul 12, 2001 8:25 pm
Many thanks. I have decided to go with Swayze because of their reputation. Nova optical also offers a similar service. The enhanced coatings are much more...
1431
nightowl1130@...
Jul 12, 2001 9:49 pm
The Axiom eyepieces have *very* little eye relief. The 2" 19mm has 4mm of eyerelief. I had one and sold it at a huge loss because of this. The 34mm has 3mm and...
1432
Roebber, Pete
pete.roebber@...
Jul 12, 2001 10:45 pm
Interesting. The Celestron web site lists the eye relief for the Axioms as follows: 19.0mm 10mm 34.0mm 16mm 40.0mm 21mm 50.0mm 38mm Pete ... From:...
1433
2kuhl@...
Jul 12, 2001 11:31 pm
Pete Get the best and forget the rest. Naglers are the eyepieces that all others are out to beat. You will not go wrong with anything from Tele- Vue. John Kuhl...
1434
Kurt Maurer
rngc704@...
Jul 13, 2001 3:42 am
... It *is* interesting. I had a chance to play with a 19mm Axiom at TSP and found the eye relief to be so awful I immediately dismissed it as crud to be ...
1435
nightowl1130@...
Jul 13, 2001 6:43 am
<snip> Interesting. The Celestron web site lists the eye relief for the Axioms as follows: 19.0mm 10mm 34.0mm 16mm 40.0mm 21mm 50.0mm 38mm <snip> It's...
1436
john kagey
scopeking@...
Jul 13, 2001 6:58 am
you will find that spectrum has the lowest price i think ,the enhanced is incredably low. ... From: Louis Halikman To: bigdob@yahoogroups.com Sent: Thursday,...
1437
Roebber, Pete
pete.roebber@...
Jul 13, 2001 3:51 pm
Thanks for everyone's comments. Looks pretty unanimous. I'll have to shell out some more big bucks from my poor smarting wallet! Well, I've found the same...
