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My fiirst FFQ arrived today

classic Maksutov
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#1 rolo

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Posted 13 November 2019 - 01:51 PM

This was waiting for me today when I got home from the dentist. The molar crown was way more expensive! Any guesses as to what it  may be? I did leave a good clue in the eBay & Craigslist Ad forum a few day ago. Were you paying attention?

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#2 sdedalus83

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Posted 13 November 2019 - 02:24 PM

So they took the offer for the Questar Field?


Edited by sdedalus83, 13 November 2019 - 03:27 PM.

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#3 rolo

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Posted 13 November 2019 - 03:41 PM

The case is in good shape but the inner foam is toast.

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#4 rolo

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Posted 13 November 2019 - 03:51 PM

I've never had a Fast Focus model before so when I saw this one I had to make an offer. Based on the serial # this a Sept 1980 model. I like the feel of the focuser, its quite sensitive but easy to get use too.

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Edited by rolo, 13 November 2019 - 04:09 PM.

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#5 rolo

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Posted 13 November 2019 - 04:09 PM

The nice thing is that it needs no optical cleaning of any kind. I checked the collimation with an artificial star and its perfect. Needs nothing except to be used. I'll give it a quick check tonight.

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#6 Optics Patent

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Posted 13 November 2019 - 04:36 PM

Nice!

 

Tip:  If you want fine focus for astro viewing, try turning the EP holder.

PS:  I'd suggest a link or just posting all this (next time) on the new arrivals thread in the Questar group where most of your best fans will see it.

 

https://www.cloudyni...ost-yours-here/


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#7 Kasmos

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Posted 13 November 2019 - 04:57 PM

The case is in good shape but the inner foam is toast.

For a moment that case made me think you bought an older C5, but I didn't remember one being mentioned in the ad thread.

C5 Case .jpg

and just to prove it contains a C5 wink.png

C5 Open Case.jpg


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#8 Terra Nova

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Posted 13 November 2019 - 05:36 PM

The nice thing is that it needs no optical cleaning of any kind. I checked the collimation with an artificial star and its perfect. Needs nothing except to be used. I'll give it a quick check tonight.

It sure is purdy! :love:


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#9 Bomber Bob

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Posted 13 November 2019 - 06:18 PM

Cool -- Me Like!

 

So... is an FFQ intended for serious Birding?


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#10 rolo

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Posted 13 November 2019 - 06:55 PM

Actually, it was mainly designed for Cinephotography.

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Edited by rolo, 13 November 2019 - 07:13 PM.

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#11 rolo

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Posted 13 November 2019 - 07:01 PM

Also came with a Camera coupler a couple of QB's 16mm & 12mm, both in mint condition.

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#12 CHASLX200

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Posted 13 November 2019 - 07:04 PM

I was thinking you got some kind of Tak.  Never heard of that kind of Q before.



#13 clamchip

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Posted 13 November 2019 - 07:24 PM

Wow interesting focuser!

That's going to be excellent for birding, and sports events too with the fast focus.

 

Whenever I see a field model I think back to the time I looked at one.

I picked it up out of the case, and before I could say beautiful I was holding a empty

dew shield! the scope slipped out and landed in the foam lined case about 3 feet

below on a concrete sidewalk!

 

Robert 


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#14 rolo

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Posted 13 November 2019 - 07:27 PM

Wow interesting focuser!

That's going to be excellent for birding, and sports events too with the fast focus.

 

Whenever I see a field model I think back to the time I looked at one.

I picked it up out of the case, and before I could say beautiful I was holding a empty

dew shield! the scope slipped out and landed in the foam lined case about 3 feet

below on a concrete sidewalk!

 

Robert 

Dude, that could have been you worst clam chip ever!


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#15 rolo

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Posted 13 November 2019 - 07:35 PM

Put it outside for 30 min and took a peek at Venus, Jupiter and Saturn. Double checked the collimation and its perfect. Star test is lovely and typical Q. Will DPAC all three Q's the 1974, the 1986 and this 1980 FF model to see which one tests the best.


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#16 Astroman007

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Posted 13 November 2019 - 09:45 PM

What a catch! Lucky you.

 

I hope to have a Questar of some kind myself some day. A Standard 3.5 at least.


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#17 rolo

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Posted 13 November 2019 - 10:21 PM

Nice!

 

Tip:  If you want fine focus for astro viewing, try turning the EP holder.

PS:  I'd suggest a link or just posting all this (next time) on the new arrivals thread in the Questar group where most of your best fans will see it.

 

https://www.cloudyni...ost-yours-here/

I realized that tonight when doing first light and a star test. The FF is pretty sensitive so the helical focus on the eyepiece make a nice and smooth fine focus feature.

 

I did put a link in the Questar forum but quite frankly that forum pretty slow. Besides, my best fans and friends are right here in the Classics!


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#18 Kasmos

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Posted 14 November 2019 - 12:45 AM

I was going to ask how many Qs you now have, but you answered that in post #15

 

They sure are purdy! waytogo.gif


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#19 rolo

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Posted 14 November 2019 - 08:08 AM

I was going to ask how many Qs you now have, but you answered that in post #15

 

They sure are purdy! waytogo.gif

The 1974Q is a for a good friend. He'll be traveling to an eclipse site next year and the Q is a perfect fit. The 86 is going to take a while before I finish the complete restoration and the Fast Focus, who knows!


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#20 rolo

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Posted 10 December 2019 - 08:30 PM

Okay here are the results of the Three Questars DPAC test with a 133 lpi. grating. A 1974 CV BB Duplex, a 1986 Standard Duplex and a 1980 Fast Focus model. I'll start by saying the differences are very minor and optical quality is consistently good, at least in these three samples All were tested through the axial(rear port) and through the eyepiece holder with the prism in place. I could see no difference in the results with these two methods. All were tested three different times to make sure of my findings.

I had a very difficult time between the 1974 & the 1980 models, so close that I really can't say which one is best. Both exhibited straight smooth lines even when viewing two lines in or out of focus. I looked for other issues like zones, turned edges, over and under correction but saw none. Maybe a slight smoothness advantage on the 1974 Cervit model at null but its hard to say for sure. I think with a star test I could determine which one has the smoother diffraction patterns. The 1986 was very smooth but with an ever so slight bend suggesting under correction of what I would assume is 1/8 wave or less. I truly doubt you could notice any difference at the eyepiece.

I did enjoy testing these scopes! I learned that these three Q's from different production years are pretty consistent in optical quality. Can't say the same about Meade and Celestron SCT's which have tested all over the place.

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Edited by rolo, 10 December 2019 - 08:32 PM.

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#21 luxo II

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Posted 11 December 2019 - 03:14 AM

Gorgeous Rolo, just gorgeous. Lucky you. 


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#22 Littlegreenman

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Posted 11 December 2019 - 03:26 AM

Hmm. Would it socially acceptable to flip this one, with an exception made that the funds from selling it are earmarked for the purpose of buying a "normal" focus version better suited for astronomy?


Edited by Littlegreenman, 11 December 2019 - 03:35 AM.


#23 rolo

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Posted 11 December 2019 - 09:12 AM

If you're referring to the Fast Focus model, I have no issues using for Astronomy. The helical focus on the eyepiece mount make it easy to fine focus astronimical subjects.



#24 rolo

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Posted 11 December 2019 - 09:16 AM

Gorgeous Rolo, just gorgeous. Lucky you. 

The 1974 model is on the way to good friend for eclipse hunting/traveling. The 1986 is in restoration process and will probably be given to my son. The Fast Focus model I may keep indefinitely, it's growing on me and the optics are excellent!


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