Christopher Schementi:
I just got my 2600MM for my Baby Q and so far I have zero issues. I'm using a 7x36mm EFW and OAG-L with M54 tilt plate. With the 1.01x flattener I'm getting excellent stars right to the corners, and the focuser has no issues holding the equipment. Same for me for the first two years….. until now. And my scope was well cared for in my observatory and kept in focus for minimal movement. Hopefully, you won’t have any problems but too many people complaining about this same draw tube issue.
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I probably expressed myself poorly.
What I actually mean is that with the Fsq85, you need a reducer or flattener to use a modern chip.
The image field produced without a flattener or reducer simply cannot handle it. I find that unfortunate because it takes away one of the major advantages of the optics.
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The scope comes with a 1.01x flattener (which barely affects anything FL-wise) - and there is plenty of back focus so thats really a non-issue.
It sounds like you have made up your mind however - there are many other options out there ;-)
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Dunk:
The scope comes with a 1.01x flattener (which barely affects anything FL-wise) - and there is plenty of back focus so thats really a non-issue.
It sounds like you have made up your mind however - there are many other options out there ;-) Yes, it’s the only scope in the works that requires 2 field flattener, one built into the quadruplet design, and a second one that now requires exactly 56.2mm of backfocus, which now takes away the ease of the quad Petzval design that does not require a set Backfocus, it’s poor and so why did Tak produce the extra flattener ? Because the optics were so poor with modern small pixel cameras so they had to. Baby Q optics are extremely old and out of date, if you put an old CCD camera on the back of one with 8 micron pixels without the extra flattener the stars are pinpoint from corner to corner, but with 3.76 micron pixels the stars are awful and not that much better with the 2nd flattener, unless you are one of the lucky few who gets an absolute perfectly collimated one, but unfortunately they are rarer than hens teeth.
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Bruce Donzanti:
Christopher Schementi:
I just got my 2600MM for my Baby Q and so far I have zero issues. I'm using a 7x36mm EFW and OAG-L with M54 tilt plate. With the 1.01x flattener I'm getting excellent stars right to the corners, and the focuser has no issues holding the equipment.
Same for me for the first two years….. until now. And my scope was well cared for in my observatory and kept in focus for minimal movement. Hopefully, you won’t have any problems but too many people complaining about this same draw tube issues. Again Same here exactly the same setup. This scope is amazing and is far better than my other scopes, RedCat71, FLT110 etc. I also found that the use of the flattener was not needed for the 2600mm camera when evaluating useing the scripts in PixInsight. I have seen lots of complaints about focuser etc. but today I have not seen any issues with mine.
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https://astrob.in/lfa43d/0/shot last week. Unmodified Tak85. The tightest focus I’ve seen in a portable scope.
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Bruce Donzanti:
I have the Tak FSQ 85-EDX with the 1.01x flattener and it produces wonderful images with an ASI6200mm. I also tried it with the new full frame 0.73x reducer but the results are not as impressive. I've made a couple of posts and images about this on AstroBin. The only issue I have with the Baby-Q is the focuser started to sag with the weight of a 7-position filter wheel and the ASI6200mm after a few months in my permanent observatory setup. As a result, the autofocus motor would not work properly. This has been mentioned by others. I took the focuser off and right away I saw the problem. The teflon strip with the glue that holds it in place was dislodged from its proper position. So, I have had enough of this and ordered a Starlight Instruments replacement focuser FTF3015B-A—Feather Touch® 3.0" Diameter, with the adapter. Once assembled and tested, I'm going to sell it and then someone will gain a much better scope.
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Best decision to permanently fix the problem.....  Removed the flawed stock focuser and replaced it with the Feather Touch® 3.0" Dia Dual Speed Focuser--1.5" DTT, Brake
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Bruce Donzanti:
Best decision to permanently fix the problem.....
Removed the flawed stock focuser and replaced it with the Feather Touch® 3.0" Dia Dual Speed Focuser--1.5" DTT, Brake and now you are selling..? Still not happy?
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Dunk:
Bruce Donzanti:
Best decision to permanently fix the problem.....
Removed the flawed stock focuser and replaced it with the Feather Touch® 3.0" Dia Dual Speed Focuser--1.5" DTT, Brake
and now you are selling..? Still not happy? Very happy- the FT focuser is amazing but I decided to piggyback a RedCat 91 WIFD on top of my C11" in my observatory instead of the Baby Q. The reason for this is that the RedCat has an internalized draw tube, so no sagging or tilt is possible when adding heavy accessories. This is what caused my issue in the first place with the FSQ85 EDX. While I have no doubt that the FT will not suffer from this, I prefer the internal design as it also prevents dust and dirt, which accumulates on the draw tube during an entire evening of imaging, from potentially causing movement issues when using an autofocuser motor. If no one is interested in buying it, I will gladly keep it as a travel scope since it is an excellent scope.
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