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Thread: Small portable refractor for DSO astrophotography

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    Pauls72's Avatar
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    Default Re: Small portable refractor for DSO astrophotography



    William Optics 81 mm Golden GT Triplet APO Refractor w/ 2" Focuser, 2" Field Flattener & Soft Case - A-F81GT-AP $1028
    Orion Magnificent Mini Autoguider package $335
    Celestron Advanced VX mount $899
    Total: $2262

    The W.O. GTF81 is a little more than you wanted to spend, but you will have a Triplet with FLP53 glass, so little to no Chromatic Abbreviation. It comes with a field flattener, T-Ring, decent 2" focuser and a carrying case. You don't have to buy any rings or dovetails or even a better focuser. You can get the W.O. plain GT81 with out the field flattener for $928 too.
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    Default Re: Small portable refractor for DSO astrophotography

    I used to own the Orion ED80. chartram's Horsehead image is really impressive. Visually the nod for detail goes to the Stellarvue. It is a couple hundred more expensive but the optical quality is higher, the mechanics are better. I hope to do some imaging with it. I may be biased too by having won the lottery on optical quality with my sample at 0.991 Strehl. It is most perfect set of optics I've seen.
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    Default Re: Small portable refractor for DSO astrophotography

    I just acquired a WO GT102, and the optics are excellent. This is going to be my portable setup - a little pricier than the 81mm setup mentioned by Pauls72: GT102 on iEQ30 Pro.
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    Default

    Consider the William Optics Star 71 as well. Built for imaging with a built in field flattener. Really happy with mine.


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  7. #15
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    Default Re: Small portable refractor for DSO astrophotography

    Aside from going pretty steeply over budget, another thing to consider is that maintaining critical focus is more challenging at F4.7 - 5.9 with the WO scopes than at F7 - 7.5 with the Orion or SV. But for the price vs. what you get in terms of quality and performance, the WO scopes are worth every penny
    Mike Chartrand
    Celestron 8" Edge HD, WO Star 71, Orion ED80 & ST-80 on a Skywatcher NEQ6 Pro
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    Default Re: Small portable refractor for DSO astrophotography

    Quote Originally Posted by chartram View Post
    Aside from going pretty steeply over budget, ...
    Ooops just realized as opposed to the title of the post the actual post said scope and mount ... well that does change things for the budget :-)
    -Brad

    Hardware: Meade 8" ACF, Mallincam Carbon Fiber VRC-8, WO Star 71 w/ Moonlite High Res Focuser, iOptron CEM60, Modified Canon 450D, Atik 383L+ mono, Lodestar X2, 2" Atik EFW2 (Astronomik CLS-CCD, 12nm Ha; Baader 7nm Ha, 8.5nm Oiii, 8nm Sii), 1.25" manual filter wheel (Baader LRGB), PoleMaster
    Software: SkySafari Pro, Sequence Generator Pro, PHD2, PixInsight


 

 
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