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  #1  
Old 20-08-2017, 12:45 PM
SuperG
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ED80 vs F4 150mm newt

I've been imaging with an F6 150mm newt but want a smaller focal length. About 60cm focal length would be nice. I currently easily do 5min exposures but never test beyond that before sky glow gets in the way. The weight of the ed80 is a positive for me but then I worry about how much longer I will need to expose each frame. Any experience with this would be appreciated.
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  #2  
Old 03-09-2017, 09:20 PM
SuperG
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I took the plunge with a SW ED80. They are at a really good price at Andrews at the moment. Such a small scope but it looks like it will be a cracker. I will have to get an extension tube for the focuser though as there is not enough backward travel for a dslr; I had half fit the camera on it.
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  #3  
Old 03-09-2017, 09:25 PM
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that_guy (Tony)
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Quote:
Originally Posted by SuperG View Post
I took the plunge with a SW ED80. They are at a really good price at Andrews at the moment. Such a small scope but it looks like it will be a cracker. I will have to get an extension tube for the focuser though as there is not enough backward travel for a dslr; I had half fit the camera on it.
Great Choice, ED80 has been my first imaging scope since the very beginning. I sold my old one and immediately regretted it. Bought another one within weeks
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  #4  
Old 05-09-2017, 02:59 PM
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Atmos (Colin)
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A lot of people get the ED80, better mechanically than many of the smaller newtonions.
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  #5  
Old 05-09-2017, 03:14 PM
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Merlin66 (Ken)
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+1 for the ED80.
It's the type of telescope you keep for ever, even when you "upgrade"
You can get a flattener/ reducer to bring it to f6.4 for AP....
https://www.myastroshop.com.au/produ...sp?id=MAS-016E
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  #6  
Old 05-09-2017, 04:11 PM
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that_guy (Tony)
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Originally Posted by Merlin66 View Post
+1 for the ED80.
It's the type of telescope you keep for ever, even when you "upgrade"
You can get a flattener/ reducer to bring it to f6.4 for AP....
https://www.myastroshop.com.au/produ...sp?id=MAS-016E
I have one for sale designed specifically for the SW model
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