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FORUMS Photo Sharing & Visual Enjoyment Astronomy & Celestial 
Thread started 17 Jul 2015 (Friday) 03:20
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Looking for a telescope for planets, AND wildlife

 
rick458
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Jul 17, 2015 03:20 |  #1

My wife and I like bird watching, and I am getting the itch for Astronomy.
I was thinking If I got a decent Cassagrain telescope (90-127mm range), it could work for both jobs.
Orion has some decent Mak Cassagrains in the $450-630 range.
but T rings, adapters, and Barlows would add another $100-150 to the pot.
Any advice on going this route?
BTW Camera would be Canon T3.




  
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Allan.L
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Jul 17, 2015 06:46 |  #2

Telescopes are made solely for the sky, I'm not sure how close they can focus (I don't own one). I also think you would be disappointed with having no auto focus. Hopefully someone with more experience can chime in, I only have camera gear and a spotting scope for birding.


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Celestron
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Jul 17, 2015 08:17 |  #3

First off you do not want a Cassagrain scope for any birding . Like Allan mentioned those are for astronomy night time but not for daytime birding . Are you a real serious birder or just the occasional bird watcher ? If you just occasional then you can get a small decent Refractor for birding but even those can be expensive and they usually don't have close-up viewing . If your a serious bird watching couple you can check out this site that sells scopes for bird watching : http://featheredgeopti​cs.org/index.htm (external link) . If your just getting interested in astronomy first it can get expensive . But if your just wanting something you can use for astronomy and still use it for spotting birds I would suggest a good pair of binoculars on a tripod :
http://www.space.com/2​6021-best-binoculars.html (external link)

I have a pair of Celestron 15x70s' : http://www.celestron.c​om …nomy/astronomy-binoculars (external link)
However Celestron has multiple choices of binoculars that can be used for both birding and astronomy . My 15x70s' can be hand helt but I shake a little so a tripod works wonders and you can see the moons around Jupiter . You would be surprised what you can see with a good set of Binocs .




  
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Niteclicks
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Jul 17, 2015 09:21 |  #4

Some food for thought.
When it comes to photographing the planets it takes a lot of focal length (think f22), however the sky is full of objects that fill a 200mm on a crop . 600 works well on the smaller objects, 800 and galaxies are doable . I have a scope like you are looking at and find it less than appealing for daytime , remember you are magnifying the air also and they are not color corrected and coated like your lens, it is however great for the moon , Jupiter and seeing the rings of saturn. There are really only 3 planets and the moon that are realistic for most without very deep pockets. A newtonian at about 200mm f4 opens up the entire the universe very affordably. I would find what you want lens wise for birding and point that skyward. Samyang make a 300mm cat that is cheap if you just want something to play with.




  
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gjl711
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Jul 17, 2015 09:33 |  #5

For the astro photography, you'll also have to toss in a good solid tripod as well as one of the trackers. You might also consider one of the long lenses 100-400, 150-500 or 150-600.


Not sure why, but call me JJ.
I used to hate math but then I realised decimals have a point.
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SiriusDoggy
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Jul 17, 2015 11:32 |  #6

Niteclicks wrote in post #17634493 (external link)
Some food for thought.
When it comes to photographing the planets it takes a lot of focal length (think f22), however the sky

F-stop and Focal length are TWO different things.....


Canon 5D Mark II & Mark III 50mm 1.4, 16-35mm 2.8L, 24-70mm 2.8L, 24-104 4L, 70-200mm 2.8 IS L, 100-400mm 5.6-6.3L, 600mm 4L, 24mm 3.5 T/S L, 16mm 2.8 Zenitar Fisheye, Rokinon 24mm, 35mm, 85mm T1.5 Cine set

  
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rick458
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Hatchling
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Jul 17, 2015 13:12 as a reply to  @ SiriusDoggy's post |  #7

The F ratio I am looking at is 12.1, and 12.7
The Focal length would be 1300mm, and 1540mm
and the Visual magnification (with a 32mm eye peice) would be 40X, and 48X
naturally the camera image would be NOT using eye peices (unless I use a Barlow)




  
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Celestron
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Post edited over 5 years ago by Celestron.
     
Jul 17, 2015 14:16 |  #8

Here is a C5 Spotting scope from Celestron . MY bad that I had forgotten about this particular scope but it is a great scope for birding and at the same time can be used for astronomy scoping at night . I have seen older versions of this same scope on ebay selling from $300.00-$400.00 . It's actually a very popular scope . I've never dealt with Orion scopes but I have with Celestron , I have a C8 myself . But I can say optics on Celestron scopes are great optics . You might give this strong consideration to this one . It says you can focus as close as 20-ft which is excellent for birding !

http://www.celestron.c​om …-scopes/c5-spotting-scope (external link)

http://www.celestron.c​om …adioptric-spotting-scopes (external link)




  
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Looking for a telescope for planets, AND wildlife
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