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Old 08-03-2013, 09:49 PM
brian nordstrom (As avatar)
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brian nordstrom is offline
 
Join Date: Apr 2007
Location: Perth WA
Posts: 4,374
Please dont win TaT's Lotto and buy a Takahashi hand made Refractor , none better .
Enjoy the learning curve , learning our place in the Universe , with 152mm x Pie x r/squared x diameter , in Millimeters a 6 inch lense or mirror has 144444 Sq mm serface area , our eyes have 49 Sq mm surface area .
See you in the dark . . oh yea .
Sq means 'Square Millimeters'
Brian.
Quote:
Originally Posted by Spides View Post
Thanks for the advice. So you're saying lean towards the Dobs 6-10 to gauge my commitment.
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