... the perfect mirror. the lower the f/ the harder it is for even discovery to make the image perfect. I have a 10" f/6 and it has star images like a $5,000...
If the Discovery is custom made would there be any advantages in having it made as a f/5.5 or even a f6. Would this unbalance the tube. I am new to this and...
The tube/truss system would have to be appropriately balanced. F5 is standard because that is the most popular focal length. --Jerry ... From: dbj149 To:...
Phil, This is a huge testament to Discovery mirrors. I'll have to do a little more head to head next time I get to the desert. Our group has my 10" and a...
I recently ordered a 15" Discovery solid tube f5. What if anything would I gain (or lose) if I changed my order to a f5.5 or f6? Is this even possible? Would I...
I feel a little like I've started a lot of people having needless second thoughts by posting my preference for a higher f/. In the old days when I was...
Because it is too big to fit in my car and because the NYC skies around my terrace seldom do it justice, I am putting my 12.5" PDHQ up for sale. The buyer will...
... hi, IMHO ...no. I have a f5 discovery mirror and a f 4.1 and both are great. To go to longer f ratio then f5 is just asking for a bigger ladder. clear...
Thanks for the help. I have a 6" Konus refractor and have looked though a 8" Orion Dob,buynothing larger. I ordered the 15" Discovery on the 3rd of July and...
Bill, I see what you mean about the OTA potentially hitting the azimuth encoder. However, if I move the OTA up on the altitude bearings and place my 35mm...
In a message dated 8/6/2004 5:29:34 AM Pacific Standard Time, marcdobny@... writes: Marc D. I have the weights on my 17.5" split tube, it on the back of ...
That would be great. Please let me know when you post the pictures and where to look for them. Thanks. Marc ... back of ... weights on a ... Binoviewer with...
In a message dated 8/6/2004 11:40:05 AM Pacific Standard Time, marcdobny@... writes: Marc Here's one weight set the one I'm looking for is made more like...
Yes but is easy! Two holes thats all and if you don't need them later you can fill it in! Have you called Bill yet? Clear Skies! [Non-text portions of this...
Hello, Good news!! I installed the azimuth encoder and the OTA will clear it when in the vertical position. Hence, it looks like I will not need the...
Experts and Sages; I am new to this forum, having just recently ordered a 12.5" f/5 Truss-Tube dob with computer, fan, shroud, etc. from Discovery. I recently...
Don, I'm not an expert or a sage, but welcome to the group! I have 8"DHQ currently and a 12 TD will be next, but I want to first complete the Herschel 400 with...
I already own a 22 Nagler, and a 14, 8.8, 6.7 and 4.7 Meade Ultra Wide. I ordered a 35 Panoptic with the scope for very low powers. I've observed since 1963,...
In a message dated 8/9/2004 8:39:02 PM Pacific Standard Time, dmbell@... writes: Don Pensack I own a 17.5"f/5 Discovery split tube 12.5"f/5 Discovery...
The difference between me and you is that I get rid of my unused eyepieces. We both are eyepiece junkies, though [Hi! My name is Don and I'm an eyepiece ...
In a message dated 8/10/2004 9:29:28 AM Pacific Standard Time, Pensack1@... writes: Don Pensack 17.5"f/5 does need a ladder I find myself on the third...
13" for $900.00 that's going to be a hard one. You could add some more dollars and get the 12"Intel from Orion or see if Hardin is still having there sale on...
... Hi there all, just back from some vacations and... ...24" *tube*??? Well, I live in Italy, but I'd definitely take a plane and come visit your backyard and...
In a message dated 8/10/2004 1:32:39 PM Pacific Standard Time, dancos2002@... writes: Daniele Discovery makes the 20"f/5 split tube for $4495.00 so is not...
Hey All, I'm die'n here! I sold my last scope about 3 months ago. I ordered my 17.5 back in mid-Dec and don't have it yet! Good thing it's been unusually...
I guess if you ordered yours in Dec and haven't recieved it yet... that bodes badly for us who ordered ours in June, ooooch maybe late 2005 :) ... ordered ... ...
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