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Author Topic: What do you recommend 8 inch or 10 inch Newtonian  (Read 1055 times)

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Offline doseri

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What do you recommend 8 inch or 10 inch Newtonian
« on: 09:55:57, 18 September, 2013 »

Hi all,,,,


  I am looking to buy a Newtonian for Astrophotography but I between the 8 inch or 10 inch, What do you recommend ???, about the Newtonian fast a F/4 OR F/5 .
regards
sam


Offline chris.bailey

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Re: What do you recommend 8 inch or 10 inch Newtonian
« Reply #1 on: 11:44:02, 18 September, 2013 »
Sam

A 10" F4 imaging newtonian is a very potent instrument BUT from your other posts you are very much a beginner/learner. There are a lot of things with these scopes that need careful adjustment i.e. focus, guiding, mounting, collimation, coma correction any of which can be a source of some frustration unless you know exactly what you are doing. Scopes such as the Skywatcher 10" CF Imaging Newtonian are a lot of bang for the buck but I think they add to the learning curve considerably and I think you would find a lot more early reward from a small refractor. I had a brief play recently with the newish Williams Optics ZS71 and FF6.0 and it is both well made and reasonably well corrected and gives a fantastic field of view for many of the large deep sky objects. It would be well guided by your short tube 80 when the time comes.

Food for thought.

Chris
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