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Old 28-05-2010, 03:40 PM
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Marke (Mark)
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Marke is offline
Join Date: Nov 2009
Location: Sydney
Posts: 1,193
Originally Posted by rogerg View Post
Is interesting looking at all these different variations of the same thing. I wonder why QSI had internal 1.25" filter wheel but SBIG says you need bigger than 1.25" ? Is that just because the SBIG filters are further from the chip? Or does the QSI have some vignetting?

Simply because the QSI unit is all in 1 and the filters are so colse to
the sensor that they dont vignete . If you want there is 31mm option
for same cost.
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