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Most and least used refractor, why in each case?

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58 replies to this topic

#26 t.r.

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Posted 13 January 2021 - 12:04 PM

Stowaway/Traveler most, 175 EDF least. Size.

The sad reality of refractor ownership! Well any design really...
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#27 sportsmed

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Posted 13 January 2021 - 12:48 PM

Well I only have one refractor right now, my Celestron ST80. But it gets used alot because it is so portable and I enjoy the wide views. But I do plan on buying a 102ED or APO at some point.


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#28 Paul Hyndman

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Posted 13 January 2021 - 07:51 PM

Stowaway/Traveler most, 175 EDF least. Size.

Same here, Gus!


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#29 213Cobra

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Posted 14 January 2021 - 04:39 AM

Most used refractor (visual) Tak FSQ-106ED. Often with 1.6X Q Extender. 4+ inches; extendable for higher mags; flat field; exquisite.

 

Least used (visual) Stellarvue SV80S LOMO. The LOMO f/7.5 is sharper.

 

Why is the f/6 LOMO the least used? Because I also have a Tak FSQ-85EDX usable with the Tak 1.5X ED Extender, and it has an intrinsically flat field.

 

In truth, the rank order of my refractor use is separated by tiny deltas. From most to least:

 

FSQ-106ED

FSQ-85ED

LOMO 80/600 f/7.5

Tak FOA-60Q

Tak FS-60Q

SV80S LOMO

WO RedCat 51v2

 

Which is not to say any of them are neglected for any significant interval. The usage incidence between them is salami-sliced. None are unappreciated.

 

Phil


Edited by 213Cobra, 15 January 2021 - 03:24 AM.

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#30 Jon Isaacs

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Posted 14 January 2021 - 05:35 AM

Built in twin focal reducer system.

What eyepiece do you use and what is the effective aperture?  (Effective aperture = (dark adapted pupil/exit pupil) x aperture)

 

Jon



#31 PETER DREW

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Posted 14 January 2021 - 06:10 AM

My most used is my 6" F10 Ha solar refractor, at almost 80 I don't care for the night time cold so much.  Least used is my 8.5" F12.5 refractor.  Both are permanently housed in their own observatories but I have another one with a SW 150ED mounted on a 16" SCT for nights.


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#32 Doug D.

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Posted 14 January 2021 - 11:54 AM

Stowaway/Traveler most, 175 EDF least. Size.

Same, due to size: Traveler most, 140EDF least.  But if I add solar into the mix, TV76 is a frequent flier for sure.


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#33 Bomber Bob

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Posted 14 January 2021 - 06:53 PM

The refractor I currently use the least is my Meade LDX55 6" AR-6.  It is heavy and takes a little time to set up.  It is great when I have dark skies and time to observe.  But unfortunately. that is rarer for me.

 

I loved the views in my 2017 APM 152ED, but hoisting it up 6 feet to the cradle was too rough on my arthritic shoulders.  And... my 1980s Meade 826 (8" F6 Newt) is lighter & easier to deal with -- and no pain -- similar capabilities, less effort & pain... that works for me!

 

APM ED 152 S076 (Meade SF Restore).jpg

 

On work nights, I need a scope that takes 5 minutes or less to set-up / take-down.  ALL the scopes in my collection now meet that requirement.  Some are Super Easy -- my 60mm & smaller refractors.   I recently bought & restored a 1980s Celestron (Vixen Japan) C80 Premium:  

 

Celestron C-80P S21 - Mizar SP (RS Full).jpg

 

Ask this question in a year, and the C80P may be The Answer for Most-Used.


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#34 Gofr

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Posted 14 January 2021 - 08:25 PM

I'm happy to see a couple of 6 inch achros getting the nod from a couple of folks. Usually everyone dumps on the poor 6 inch achro whenever it gets brought up anywhere.


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#35 Bomber Bob

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Posted 14 January 2021 - 08:47 PM

I'm happy to see a couple of 6 inch achros getting the nod from a couple of folks. Usually everyone dumps on the poor 6 inch achro whenever it gets brought up anywhere.

I like my oddball 5" F5 non-ED triplet, but I keep a casual look-out for a vintage Jaegers 6" F5 all the same...  When I was a kid, that was THE desired Big RFT.



#36 Lookitup

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Posted 14 January 2021 - 09:07 PM

95% the Tak DF. Sky rarely cooperates to see more in the SW120 Pro. No Mewlon 180c for me to compliment bawling.gif  

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#37 happycamperjohn

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Posted 14 January 2021 - 11:20 PM

Most used : AP130GTX - i bring this to most club observing nights.

Second-most used: Baader Travel Companion (95mm) - I travel within the country with this one and often bring it to observing nights when i don't have the energy to set up the AP.

Least used: TV60 - This one is for international travel. Not much use this year!


Edited by happycamperjohn, 14 January 2021 - 11:20 PM.

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#38 jcj380

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Posted 15 January 2021 - 09:34 AM

When I got back into observing a few years back, I bought an ST120 which I used quite a bit.  After reading some talk here about ST80s, I thought I get one just to play with.  For awhile now I've been mainly using the ST80 for a light weight GnG. 

 

Earlier this week, I fired up the ST120 and even though I know the weights and such, the ST120 seems like a real porker to me now, reinforcing my preference for the 80mm.  Plus the 80 is so small that it's a piece of cake to travel with it compared to the 120.

 

I'm not ready to sell the 120 yet; I figure I'll take it when I go to dark sites, but...  And I'm also ogling the AT92, so maybe everything goes to finance one of those.


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#39 SandyHouTex

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Posted 15 January 2021 - 09:44 AM

I use my EON 80mm frequently as my grab and go because I can pick up the mount and the scope and take itoutside in one trip.  It also has killer optics.

 

My least used is my FS-152.  I’m scared to death that I might put a ding in it.  Currently it doesn’t have a mark on it.  About 4 years ago I drove it up to Tak America (I live south of Houston), they cleaned and collimated it.  I took it out once to verify, and the optics are perfect.


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#40 Jeff Lee

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Posted 15 January 2021 - 09:48 AM

Hmmm,

 

1. Most used refractor is ES102 with .8 reducer 

2. second most use refractor ES102 without .8 reducer

3. 10 x 50 binoculars

4. 20 x 80 binoculars (need to get a mount for them).

 

The question is do I double my observations for the binoculars because they are each 2 refractors? In that case the 10 x 50's are my most used refractors:)


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#41 John Fitzgerald

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Posted 15 January 2021 - 09:49 AM

By far my most used is the 152mm f/8 apo.  Least used is probably the ST120 achro.

 

Why: Because the 152mm is domed.  The ST gets used mainly at dark sites only.


Edited by John Fitzgerald, 15 January 2021 - 01:41 PM.


#42 Scott in NC  Happy Birthday!

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Posted 15 January 2021 - 12:17 PM

Most used at night: TEC 140ED

 

Most used during the daytime: SV80S (for white light solar)

 

Least used: FS-60Q (not because it’s not a great scope, but it’s obviously aperture-limited, and it’s my travel scope; with the pandemic I just haven’t traveled much lately)


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#43 Rick Runcie

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Posted 15 January 2021 - 02:50 PM

My most used is my FS-152, my least is my FC 100 DL. I purchased the DL for my later years when I may have trouble lifting heavier objects. It has exceptional optics and is light as a feather.  I was very impressed with the saturation of color on the planets so much that I seeked out and purchased the fs 152 as a result. I usually try to see the most detail in the planets I can so as a result if I'm using a refractor it is the fs 152. That will be the norm. until I acquire a larger apo, if and when that ever occurs, lol.

Best regards, Richard


Edited by Rick Runcie, 15 January 2021 - 02:52 PM.

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#44 aa6ww

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Posted 15 January 2021 - 07:14 PM

Id have some fun with an FS-152, definitely.

 

...Ralph

 

 

I use my EON 80mm frequently as my grab and go because I can pick up the mount and the scope and take itoutside in one trip.  It also has killer optics.

 

My least used is my FS-152.  I’m scared to death that I might put a ding in it.  Currently it doesn’t have a mark on it.  About 4 years ago I drove it up to Tak America (I live south of Houston), they cleaned and collimated it.  I took it out once to verify, and the optics are perfect.



#45 Star Shooter

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Posted 15 January 2021 - 11:50 PM

My most used scope is a Meade 102ED f/9 on a LX70 EQ mount. The one and only, grab and go.

The least used scope is a 12" refractor that I do not have yet. The dream scope is still a dream.



#46 dweller25

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Posted 16 January 2021 - 02:37 AM

My most used is the Tak FC100DZ, very light (increasingly important for my bad back) and quick to cool down.

The least used is the Tak TSA102, the DZ has made it redundant frown.gif but I really like it smile.gif

Somewhere in between is the FS128, the whole setup is very heavy so warm totally clear nights only - which are few and far between smirk.gif


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#47 25585

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Posted 16 January 2021 - 12:52 PM

My most used is the Tak FC100DZ, very light (increasingly important for my bad back) and quick to cool down.

The least used is the Tak TSA102, the DZ has made it redundant frown.gif but I really like it smile.gif

Somewhere in between is the FS128, the whole setup is very heavy so warm totally clear nights only - which are few and far between smirk.gif

DZ v TSA have me the most curious. How has the TSA been made redundant?



#48 doctordub

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Posted 16 January 2021 - 01:06 PM

My most used refractor is the FS-152, and the least used is the Stellarvue SV60EDS.

CS

Jonathan

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#49 kmparsons

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Posted 16 January 2021 - 02:34 PM

My most used scope used to be my SV 80mm triplet. With superb optics and FT focuser, I can mount it on my Vixen StarGuy alt/az and be enjoying the sky in no time. Lately, my AT 92mm has replaced the SV as my go-to scope. The AT is just as easy to set up, and the optics are at least as good. The larger aperture shows more detail. I was looking at M42 a couple of nights ago with the TV 3-6mm zoom EP, and the view was amazing. The focuser on the AT is not quite a FT, but it is still excellent. 

 

My least used scopes are a couple of lovely 4" long-focus achromats. The long tubes are just too wobbly on my mounts. I want to get the heavy-duty Losmandy AZ8, but it is never available. 



#50 mikeDnight

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Posted 16 January 2021 - 03:25 PM

I've had many scopes over the last 40 years. I bought my first apo though in early 2003 - it was a FS128. Then I bought an FS152, then a NP101-IS. Next I bought a SW120ED and a SW 100ED. Then a SW Equinox 120ED and a Equinox 80ED. When Tak brought out their new FC series, i couldnt resist and bought a DC.

My least used refractor, I'm ashamed to say, was my FS152. It was a great scope but because it needed a G11 to carry it well, i would often look for excuses for why i shouldnt set it up. 

My most used scope so far, and surprisingly the one thats shown me the most, was my FC100DC. That scope was under the stars on nearly every clear night for five years. Now I have a DZ, it has a hard act to follow in fuelling my enthusiasm. I'm sure it will not disappoint given the same amount of time.

 

The amazing DC.

2016-12-20 22.56.49.jpg

274570300_2019-03-2620_26_50.jpg.157a9e32bcfc1751a3615ba51a0ce649.jpg.f0fa3ed565a2ba95107d15b27f5738bd.jpg

 

 

 

 


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