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Equipment Discussions >> Refractors

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Mentor
professor emeritus


Reged: 09/30/10

Loc: Ontario, Canada
Talk me out of buying a Televue 76
      #5868433 - 05/17/13 11:25 PM

I have an opportunity to pick up a used Televue 76 at a very good price. I have always been a one-scope sort of guy, but the TV 76 is a very attractive travel and grab-N-go scope to compliment my "much" larger TV 102. I would use it when travelling to dark skies (the cottage, camping, etc), or in the winter when setting up the 102 and Great Polaris mount is too much to bear. I have a Gibraltar head and some aluminium tripod legs that would be used to mount the scope.

My concerns: 1) would I use my TV 102 less due to the convenience of this little guy, and in so doing I would miss out on the deeper grasp of the larger scope? 2) do I really need a second scope, and will the views be disappointing compared to the 102 so that I don't use the 76 enough?

There are several people here who have similar scopes in their collection, and many of them seem to favour the smaller one. I would appreciate any thoughts/experiences they may have.


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SeattleScott
Pooh-Bah


Reged: 10/14/11

Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868480 - 05/17/13 11:49 PM

Can't you just get an alt az mount for the 4"? If I were adding to your collection I would be looking at adding aperture not subtracting.

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Ziggy943
Post Laureate


Reged: 08/11/06

Loc: Utah
Re: Talk me out of buying a Televue 76 new [Re: SeattleScott]
      #5868491 - 05/17/13 11:55 PM

Don't buy it.

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chaoscosmos
sage
*****

Reged: 01/26/13

Loc: Mission Viejo CA
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868493 - 05/17/13 11:56 PM

Sounds like you already know how you'd use it, so if it's a good price you could sell it again for, why not? I would think a small scope could be handy for various reasons, some of which you've named.

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Mentor
professor emeritus


Reged: 09/30/10

Loc: Ontario, Canada
Re: Talk me out of buying a Televue 76 new [Re: SeattleScott]
      #5868502 - 05/18/13 12:00 AM

The 102 itself is actually too big for me to travel with once we pack the car with all of the kid's stuff Loaded in it's case will all eyepieces and accessories it is not all that small, it occupies half our trunk space with the tripod and mount.

I do have an alt/az mount for it (the same Gibraltar).

I have chased aperture in the past, but sold my larger scope (a 7" Mak) in favour of the 4" refractor. I'm not going back there, at least until we retire to a dark-sky location where a big dob will be worthwhile.


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chaoscosmos
sage
*****

Reged: 01/26/13

Loc: Mission Viejo CA
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868520 - 05/18/13 12:09 AM

I have a TV101 and for me, just for a travel scope, I might at some point get an Orion ST80 I could use on my camera tripod. Apparently there are differences between the TV76 and Ranger- I'm not sure if one or the other is more desirable.

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Jon Isaacs
Postmaster
*****

Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868529 - 05/18/13 12:15 AM

Quote:

There are several people here who have similar scopes in their collection, and many of them seem to favour the smaller one. I would appreciate any thoughts/experiences they may have.





I have more than one scope...

My two favorite refractors are my NP-101 and a William Optics 80mm F/7 FD, similar to the choice that faces you but the not quite as extreme.

I think it makes good sense to get the TV-76, it's a nice, compact scope that's a great performer. It's good for birding and terrestrial viewing, the 102 is too clumsy for such endeavors, it's also much handier for travel.

Jon



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stevew
Now I've done it


Reged: 03/03/06

Loc: British Columbia Canada
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868537 - 05/18/13 12:20 AM Attachment (62 downloads)

Quote:

I have always been a one-scope sort of guy,



No such thing.....


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Scott BeithAdministrator
SRF
*****

Reged: 11/26/03

Loc: Frederick, MD
Re: Talk me out of buying a Televue 76 new [Re: Jon Isaacs]
      #5868541 - 05/18/13 12:21 AM

From a guy who owns 3", 4" and 5" refractors - I say buy it.

A small scope like the TV76 will complement your TV102 instead of competing with it.

You will eventually want a separate mount for each.


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stevew
Now I've done it


Reged: 03/03/06

Loc: British Columbia Canada
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868554 - 05/18/13 12:29 AM

Oopps... Sorry.
Don't buy another telescope.
You may find you go out twice as often.


Steve


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Jon Isaacs
Postmaster
*****

Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Talk me out of buying a Televue 76 new [Re: chaoscosmos]
      #5868569 - 05/18/13 12:38 AM

Quote:

Apparently there are differences between the TV76 and Ranger- I'm not sure if one or the other is more desirable.




The Ranger and the Pronto were 70mm F/6.9 refractors, the name tag on the side says ED but apparently it's FK-5 which basically provides the same level of color correction as a crown-flint achromat. The Pronto was the original "little scope that could", a 70mm with a 2 inch focuser. I had one, great scope but the chromatic aberration bugaboo would raise it's head at opportune moments.

The Ranger used the same optics but had a 1.25 inch Helical focuser, more compact than the Pronto. Both are quite good optical, just not apos.

The TV-76 is essentially a Pronto with 76mm ED/apo objective.

Jon


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ultralord
member
*****

Reged: 09/09/05

Loc: Middle Tennessee
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868590 - 05/18/13 12:59 AM

Don't buy it . I was reading a post below that even the best refractors suffer astigmistism just from body heat radiating to the eyepiece. Just let me know if there is anything else I can talk you out of buying.

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MooEy
member


Reged: 10/02/07

Re: Talk me out of buying a Televue 76 new [Re: ultralord]
      #5868638 - 05/18/13 01:56 AM

My 71fl would image around 300mm while my 125sd would image at 500mm. Trust me, you need both scopes.

~MooEy~


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Erik Bakker
Carpal Tunnel
*****

Reged: 08/10/06

Loc: The Netherlands, Europe
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5868684 - 05/18/13 02:39 AM

TV102 + TV76 = more quality time under the stars

Buy it and enjoy


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genethethird
sage
*****

Reged: 01/05/10

Loc: NC
Re: Talk me out of buying a Televue 76 new [Re: Erik Bakker]
      #5868715 - 05/18/13 03:12 AM

Since I got the 102 I just use the 76 even more.

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la200o
Carpal Tunnel


Reged: 09/09/08

Loc: SE Michigan, USA
Re: Talk me out of buying a Televue 76 new [Re: genethethird]
      #5868894 - 05/18/13 07:40 AM

Buy it immediately!

Bill


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Mentor
professor emeritus


Reged: 09/30/10

Loc: Ontario, Canada
Re: Talk me out of buying a Televue 76 new [Re: la200o]
      #5868938 - 05/18/13 08:23 AM

You guys all failed miserably, I made an offer on the TV 76

We'll see if I get it, my fate is not my own now....


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Spyke
Carpal Tunnel
*****

Reged: 07/22/03

Loc: Scotland
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5869005 - 05/18/13 09:08 AM

If owning it becomes too problematic, I can help solve that problem...

Ant


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Scott in NCModerator
Mad Hatter
*****

Reged: 03/05/05

Loc: NC
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5869014 - 05/18/13 09:20 AM

Quote:

You guys all failed miserably, I made an offer on the TV 76

We'll see if I get it, my fate is not my own now....




I think you made the right choice.


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Jon Isaacs
Postmaster
*****

Reged: 06/16/04

Loc: San Diego and Boulevard, CA
Re: Talk me out of buying a Televue 76 new [Re: Mentor]
      #5869206 - 05/18/13 12:06 PM

Quote:

You guys all failed miserably, I made an offer on the TV 76

We'll see if I get it, my fate is not my own now....




I forgot to mention the one big reason not to buy the TV-76:

.................

Sorry, I still can't remember but when I do I will let you know.

Jon


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