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Equipment Discussions >> Refractors

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spongebob@55
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Suggest a Grab n Go for me based on ......
      #5660793 - 02/03/13 09:53 PM

these parameters:
1. 4" Achromat, need it to be light
2. Somewhat fast, but not f/5...I have a semi APO filter and plan to use a dew shield cap stopped down for bright objects to cut the purple.
3. GoTo mount. Yes, for bright deep sky in my whiter than white back yard
4. Easily taken off mount to put on my CPC1100 as a RFT
5. Needs a 2" focuser, so I can use my good 2" diagonal and EPs.
6. Available, iow, not waiting forever to find a good used one.

Now I thought perhaps a Celestron 102 SLT. F6. Or what would you suggest? Don't want a 80mm or a 120st.
thanks
Bob

Edited by spongebob@55 (02/04/13 10:26 AM)


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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5660811 - 02/03/13 10:07 PM

Bob:

If you are looking for an inexpensive, used scope, I think Orion 100mm F/6 AstroView/Skyview achromat might be the ticket. Basically the same scope as the Celestron 102F/5 but F/6.

Jon


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Scott BeithAdministrator
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5660843 - 02/03/13 10:36 PM

Orion 100 f/6

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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: Scott Beith]
      #5661139 - 02/04/13 04:59 AM Attachment (27 downloads)

Quote:

Orion 100 f/6




Great minds think alike... A bit more discussion. I have one, bought it used for $125. I thought I was going to use it as a finder but I decided it was just too big. It's a good low, to mid power scope, significant false color at higher magnifications on bright objects.

Jon


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Thomas Karpf
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Reged: 02/09/09

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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5661175 - 02/04/13 06:31 AM

Explore Scientific AR102 f/6.5 currently on sale for $499.

https://www.astronomics.com/explore-scientific-ar102-4-inch-refractor-optical...

Plus a Nexstar mount for $499
https://www.astronomics.com/celestron-nexstar-nx-68-se-go-to-computerized-mou...


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Thomas Karpf]
      #5661461 - 02/04/13 10:35 AM

Quote:

Explore Scientific AR102 f/6.5 currently on sale for $499.

https://www.astronomics.com/explore-scientific-ar102-4-inch-refractor-optical...

Plus a Nexstar mount for $499
https://www.astronomics.com/celestron-nexstar-nx-68-se-go-to-computerized-mou...






I was also thinking of the ES AR102. Its collimatable too. But its 11.3lbs. and you put a big honkin' EP in there, and its at the mounts stated max load of 12 lbs. Let me mull it over. A used one on ebay went for $318 the other day....


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5661487 - 02/04/13 10:42 AM

Quote:

Quote:

Orion 100 f/6




Great minds think alike... A bit more discussion. I have one, bought it used for $125. I thought I was going to use it as a finder but I decided it was just too big. It's a good low, to mid power scope, significant false color at higher magnifications on bright objects.

Jon





Thanks Jon and Scott for your suggestions: It doesn't appear that the Orion 100 f/g lens cell is collimatable, or?

Unfortunately, I'm a little gun shy now b/c of a terrible experience I had with a 'mint condition' used OTA. And this guy had near perfect feedback. I never use that other site again. Took an act of congress to get my money back.


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Scott BeithAdministrator
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5661527 - 02/04/13 11:02 AM

http://www.cloudynights.com/item.php?item_id=645

http://www.cloudynights.com/item.php?item_id=1300

http://www.cloudynights.com/item.php?item_id=924

A bit of reading for you.


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Scott BeithAdministrator
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Re: Suggest a Grab n Go for me based on ...... new [Re: Scott Beith]
      #5661531 - 02/04/13 11:04 AM

It has a collimatable cell.

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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Scott Beith]
      #5661554 - 02/04/13 11:16 AM

Quote:

http://www.cloudynights.com/item.php?item_id=645

http://www.cloudynights.com/item.php?item_id=1300

http://www.cloudynights.com/item.php?item_id=924

A bit of reading for you.





Love it! Thanks along with the note on the collimatable cell!


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csrlice12
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Re: Suggest a Grab n Go for me based on ...... new [Re: Scott Beith]
      #5661557 - 02/04/13 11:16 AM

Omni 102XLT, Under $500 and comes with the CG4 mount...probably one of the best package deals going. And, the scope is collimateable.

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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: csrlice12]
      #5661597 - 02/04/13 11:41 AM

Quote:

Omni 102XLT, Under $500 and comes with the CG4 mount...probably one of the best package deals going. And, the scope is collimateable.




Surely, but it doesn't fit into my parameters in the original post. Any other ideas?


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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5661978 - 02/04/13 03:19 PM

Quote:

Thanks Jon and Scott for your suggestions: It doesn't appear that the Orion 100 f/g lens cell is collimatable, or?




Mine has the collimatable cell. You can see the darn thing in the photo. It's probably a good thing but I would much prefer one without the collimatable cell, it's ugly...

As far as being gun shy... I am gun shy, I have one basic rule: The only place I will buy sight unseen is Astromart.

Jon


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5662439 - 02/04/13 08:28 PM

Quote:

Quote:

Thanks Jon and Scott for your suggestions: It doesn't appear that the Orion 100 f/g lens cell is collimatable, or?




Mine has the collimatable cell. You can see the darn thing in the photo. It's probably a good thing but I would much prefer one without the collimatable cell, it's ugly...

As far as being gun shy... I am gun shy, I have one basic rule: The only place I will buy sight unseen is Astromart.

Jon




The other site was Astromart.


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coopman
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5662490 - 02/04/13 09:10 PM

Maybe it's just me, but I really find that AR102 to be ugly looking. But then again, nobody will be able to see it at night.

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stevew
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Reged: 03/03/06

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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5662529 - 02/04/13 09:36 PM Attachment (25 downloads)

Antares 105 F-6.
Probably about the same performance as the Orion/Synta 100 mm
But a little prettier..
They are sold as an OTA only.
You could contact Hands on Optics for price and availability.

Steve


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oldtimer
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Re: Suggest a Grab n Go for me based on ...... new [Re: coopman]
      #5662535 - 02/04/13 09:38 PM

UGLY?? Are you getting it to look at or through?

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Widespread
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Re: Suggest a Grab n Go for me based on ...... new [Re: oldtimer]
      #5662930 - 02/05/13 05:18 AM

I suppose this is not the optimal time to confess that I spend a lot of time just looking at my telescope…

Anyway, I bought a 60SLT a while back just for the mount / tripod, and the OTA build quality makes the ST80 look like a premium scope. The 102SLT looks similar (aside from aperture), so I'm guessing the quality may be similar. The focuser on the 60SLT looks quite poor. Also, when I got it, the small center portion of objective cover (the part removed for stopped-down viewing) had popped,out, and was lying on my objective glass. It had not been designed to avoid falling inward.

Moreover, Beware: if you get a fast cheapo refractor thinking you will save money, you may end up with an apo. I'm kind of kidding, but in fact, That's what happened to me. I loved the crisp, low mag wide views and small form factor, but wanted much better optics, build quality and focuser.

If you can really be content viewing only at low and medium mags, this is a good value. And, quite honestly, it's almost worth it for the mount alone. But only you can decide whether you will be happy with what is basically a larger version of the ST80. There is almost always a planet or two up in the sky, and I cannot stand being out there without being able to get decent views of them.

My 2 yen,
David


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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: stevew]
      #5662946 - 02/05/13 06:00 AM

Quote:

Antares 105 F-6.
Probably about the same performance as the Orion/Synta 100 mm
But a little prettier..
They are sold as an OTA only.
You could contact Hands on Optics for price and availability.

Steve




Steve:

It might be a better performer too. But it looks like they are not cheap. When a fast achromat approaches the cost of an ED-80, the waters get murky... Optical quality and freedom from aberrations is a nice thing.


As far as ugly.. yes, ideally I am only looking through the scope but some times there is something that just bothers me and the Synta collimation cell bothers me and I see the darn thing every time I use the red dot finder, there's the cell.

And besides, it's a well established fact that scopes that are more attractive to look at are also optically superior. )

Jon


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Mark Costello
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Re: Suggest a Grab n Go for me based on ...... new [Re: oldtimer]
      #5663099 - 02/05/13 09:05 AM

When my ES AR127 arrived, I didn't think it'd win any beauty prizes with that dew shield. But it gets purtier every time it comes in from a observing session.

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csrlice12
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Re: Suggest a Grab n Go for me based on ...... new [Re: Mark Costello]
      #5663827 - 02/05/13 03:57 PM

Omni 102XLT-ED--pretty scope AND performance......

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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: csrlice12]
      #5663854 - 02/05/13 04:07 PM

Quote:

Omni 102XLT-ED--pretty scope AND performance......




I think Bob is looking for something that is not F/5 fast but pretty fast some it can be used as an RFT, (Richest Field Telescope).

Jon


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5663866 - 02/05/13 04:15 PM

Quote:

but pretty fast some it can be used as an RFT




and light so he can piggyback it on his 11in sct


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SteveG
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Re: Suggest a Grab n Go for me based on ...... new [Re: Pinbout]
      #5664055 - 02/05/13 05:48 PM

Is there a price point? Is that why the op is not looking at ED scopes?

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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: SteveG]
      #5664150 - 02/05/13 06:43 PM

Quote:

Is there a price point? Is that why the op is not looking at ED scopes?




There is no price point that I know, there was an assumption of achromat from the outset. Whether than means an Orion 100mm F/6 that weighs under 8 lbs complete with rings and a 2 inch diagonal or something a bit fancier, I don't know.

Jon


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5664215 - 02/05/13 07:31 PM

Hi Guys, thanks for the back and forth. There's no price point, only that I already have a 127 triplet, and a 4" achromat would be lighter for both quick in and out of the house and mounting on the 11" SCT. Just was intrigued by a 4" size, and a nice GoTO mount. Like a 102SLT GoTo. See my original post....

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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5664222 - 02/05/13 07:37 PM

Quote:

Hi Guys, thanks for the back and forth. There's no price point, only that I already have a 127 triplet, and a 4" achromat would be lighter for both quick in and out of the house and mounting on the 11" SCT. Just was intrigued by a 4" size, and a nice GoTO mount. Like a 102SLT GoTo. See my original post....




I already have a Orion ST80, which I will sell, so I'm familiar with 'purple'.


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Thomas Karpf]
      #5730497 - 03/13/13 02:46 PM

Quote:

Explore Scientific AR102 f/6.5 currently on sale for $499.

https://www.astronomics.com/explore-scientific-ar102-4-inch-refractor-optical...

Plus a Nexstar mount for $499
https://www.astronomics.com/celestron-nexstar-nx-68-se-go-to-computerized-mou...




Tom: good ideas, but on the mount, wouldn't the scope hit the base of the mount if pointed anywhere near zenith?

I wonder if there's any other 'or equal' to the ES 102? I like ES quite a lot, but always like to compare.


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5730519 - 03/13/13 03:05 PM

Quote:

these parameters:
1. 4" Achromat, need it to be light
2. Somewhat fast, but not f/5...I have a semi APO filter and plan to use a dew shield cap stopped down for bright objects to cut the purple.
3. GoTo mount. Yes, for bright deep sky in my whiter than white back yard
4. Easily taken off mount to put on my CPC1100 as a RFT
5. Needs a 2" focuser, so I can use my good 2" diagonal and EPs.
6. Available, iow, not waiting forever to find a good used one.

Now I thought perhaps a Celestron 102 SLT. F6. Or what would you suggest? Don't want a 80mm or a 120ST. I've been looking for that Orion 100mm, but to no avail....
thanks
Bob




I've changed the parameters a bit.....see below.
these parameters:
1. 4" Achromat, need it to be light
2. Somewhat fast, but not f/5...I have a semi APO filter and plan to use a dew shield cap stopped down for bright objects to cut the purple.
3. GoTo mount. Yes, for bright deep sky in my whiter than white back yard
4. Easily taken off mount to put on my C14" GEM as a RFT
5. Needs a 2" focuser, so I can use my good 2" diagonal and EPs.
6. Colimatable if possible
7. Available, now, not waiting forever to find a good used one.

Now I thought perhaps a Celestron 102 SLT. F6. But that's not collimatable and the mount looks a little weak. I have an Atlas EQ-G, and while its not exactly a
grab n go, it would certainly be great. Or a ES DAR 102mm. What others would you suggest? Don't want a 80mm or a 120st.
thanks
Bob


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5730746 - 03/13/13 05:32 PM

how about a 90mm cf tube

its 6.8lbs


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rockethead26
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Re: Suggest a Grab n Go for me based on ...... new [Re: Pinbout]
      #5730788 - 03/13/13 05:53 PM

Danny,

Your link doesn't work on my end.


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Pinbout
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Loc: nj
Re: Suggest a Grab n Go for me based on ...... new [Re: rockethead26]
      #5731263 - 03/13/13 10:21 PM

It's the stellarvue cf 90

Edited by Pinbout (03/13/13 10:29 PM)


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5731309 - 03/13/13 10:50 PM

Of how about the Lunt 102 f7. Can't find the weight.

Edited by Pinbout (03/14/13 02:03 PM)


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: Pinbout]
      #5732911 - 03/14/13 08:19 PM

this kson 104 f6 looks interesting

http://www.ebay.com/itm/Kson-Optical-High-Definition-4-ED1026-APO-True-Double...

ships from ny


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spongebob@55
scholastic sledgehammer
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Reged: 12/26/11

Loc: Bergen Co. New Jersey
Re: Suggest a Grab n Go for me based on ...... new [Re: Pinbout]
      #5733131 - 03/14/13 10:17 PM

Quote:

this kson 104 f6 looks interesting

http://www.ebay.com/itm/Kson-Optical-High-Definition-4-ED1026-APO-True-Double...

ships from ny





And the seller does all 'private' listings and is quite an angry counter commenter on her negs and neutrals.


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5733226 - 03/14/13 11:16 PM

those comments are funny, but its not a high percentage. and why would the people on the other side of the ocean leave neg comments because of their countries customs, that person was what she said if they didn't communicate their displeasure before leaving comments like that.

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Jon Isaacs
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Re: Suggest a Grab n Go for me based on ...... new [Re: spongebob@55]
      #5733627 - 03/15/13 08:34 AM

Bob

Yesterday I saw one of the Orion 100mm F/6s on Astrmart for $250, it has a 2 speed Crayford and the collimateable cell. It seems like just what you want.

Jon


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Pinbout
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5733799 - 03/15/13 10:23 AM

here's a review of that kind of scope

http://www.cloudynights.com/item.php?item_id=645


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orion61

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Re: Suggest a Grab n Go for me based on ...... new [Re: Pinbout]
      #5733883 - 03/15/13 11:00 AM

How about trying to find a Meade 102 ED? I have seen them sell for $350.00 in the last few months, I had one and it was great!

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Rodeorat
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Re: Suggest a Grab n Go for me based on ...... new [Re: orion61]
      #5733984 - 03/15/13 11:58 AM

Can't help with the mount, but OPT is clearancing their Celestron 102mm f/9.8 NexStar OTAs right now. got mine for $59 + $18 shipping. Comes with a sidemount dovetail, no accessories. However, you can get it with accys for a little more.

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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Jon Isaacs]
      #5733988 - 03/15/13 12:01 PM

Quote:

Bob

Yesterday I saw one of the Orion 100mm F/6s on Astrmart for $250, it has a 2 speed Crayford and the collimateable cell. It seems like just what you want.

Jon




Great, let me see if it still there....


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spongebob@55
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Loc: Bergen Co. New Jersey
Re: Suggest a Grab n Go for me based on ...... new [Re: Rodeorat]
      #5734031 - 03/15/13 12:27 PM

Quote:

Can't help with the mount, but OPT is clearancing their Celestron 102mm f/9.8 NexStar OTAs right now. got mine for $59 + $18 shipping. Comes with a sidemount dovetail, no accessories. However, you can get it with accys for a little more.




thanks for the suggestion, but I want something a little faster. You see I want it to do double duty: be a grab and go, and also mount sometimes to my f/11 C14 as a wider view scope, so a almost f/10 scope wouldn't quite do that. But thanks a lot for the idea. One never knows......


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spongebob@55
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Re: Suggest a Grab n Go for me based on ...... new [Re: Mark Costello]
      #5734073 - 03/15/13 12:47 PM

Quote:

When my ES AR127 arrived, I didn't think it'd win any beauty prizes with that dew shield. But it gets purtier every time it comes in from a observing session.




Hi Mark- could you describe the CA / optical performance of the DAR127. Do you use a semi apo filter with it and do you ever stop it down to smaller aperature when observing planets and the moon to cut down on CA? And why the ES 127 vs something made by someone else?
Thanks
Bob


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jrbarnett
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Loc: Petaluma, CA
Re: Suggest a Grab n Go for me based on ...... new [Re: Rodeorat]
      #5734423 - 03/15/13 04:10 PM



Good deal!

- Jim


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spongebob@55
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Reged: 12/26/11

Loc: Bergen Co. New Jersey
Re: Suggest a Grab n Go for me based on ...... new [Re: Rodeorat]
      #5739526 - 03/17/13 07:53 PM

Quote:

Can't help with the mount, but OPT is clearancing their Celestron 102mm f/9.8 NexStar OTAs right now. got mine for $59 + $18 shipping. Comes with a sidemount dovetail, no accessories. However, you can get it with accys for a little more.




Well, at $78 delivered, I couldn't help myself! Thanks. But the search goes on....


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