EdT Posted January 4, 2009 Share Posted January 4, 2009 I’m planning to use an AZ3 Alt-Azimuth Mount to replace a Manfrotto tripod and 405 three-way geared head for supporting an AstroTrac TT320X mount. (The 405 will then be used to support a Canon DSLR and longer lenses, up to 300mm, on the TT320X.)I had though that, at a later date, I might buy an 80 or 100 mm refractor, given that even an apochromat would be very much cheaper than a Canon 500 mm prime lens. But currently, the Startravel 102 telescope with two eyepieces, diagonal, red-dot finder and an AZ3 mount is being advertised at £186, compared with £156 for the tube assembly. It looks too good to miss. But would this scope be suitable for astrophotography with a DSLR, or would I be better advised to buy the AZ3 and leave the refractor until I can afford an APO? Link to comment Share on other sites More sharing options...
GazOC Posted January 4, 2009 Share Posted January 4, 2009 The Startravel is a nice little scope but its no apo, you might just end up buying the scope and AZ3 and then realize you wanted an apo all along an end up having to take a loss selling the Startravel secondhand. Link to comment Share on other sites More sharing options...
EdT Posted January 8, 2009 Author Share Posted January 8, 2009 Thanks for your comments. It's always a difficult decision: buy what you can afford now, or wait (and wait) until you can afford what you would really like!It is relatively rare for even marque camera lenses to be labeled APO, so I suppose that the comparison should really be with good quality camera lenses rather than APO telescopes.Given that there will be enough deep field objects within reach of my existing lenses, I'll take on board your implicit suggestion that I wait - and make a decision when I really need a longer focal length optic. Link to comment Share on other sites More sharing options...
TheThing Posted January 8, 2009 Share Posted January 8, 2009 I have the Startravel 102mm and it is a cracking scope. Yes it's only an achro and not an apo, but probably a fraction of the price you'd pay for an apo. Link to comment Share on other sites More sharing options...
GazOC Posted January 8, 2009 Share Posted January 8, 2009 Yep, they are great scopes but if you buy one when you really want an apo then you will end up buying twice. Link to comment Share on other sites More sharing options...
TheThing Posted January 8, 2009 Share Posted January 8, 2009 Yes, good point, sorry Gaz.Maybe EdT will be so impressed he wont want an apo?!? Link to comment Share on other sites More sharing options...
EdT Posted January 13, 2009 Author Share Posted January 13, 2009 Thanks for the additional comments on the Startravel 102. I'm not fixated on an APO, but it would be frustrating if I found the results with the achromat were disappointing. I'll see what I can afford when the time comes and base the decision on that. Link to comment Share on other sites More sharing options...
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