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Up for sales is a Skywatcher 127mm Maksutov (same as Orion), it's compact and high quality. I bought it for white light solar imaging but I soon found that the silver secondary was creating internal (multiple) reflections between the solar filter. Other than that, this small scope works out very well.
I have made a belt driven focusing motor for it. The motor could be mounted and taken away within seconds. Notice that a hand controller is not included, you may use any controller for DC motors like JMI or Rigel, etc. I can include a DIY controller box for $200 HKD extra, or you can add $400 for a USB controller box for computerized focusing.
Detail of the focusing motor:
http://osastrolog.blogspot.com/2 ... izing-maksutov.html
Come with end caps, 1.25" visual back (with T thread), Vixen compatible dovetail.
The color patch on the lower left shown on the picture is just reflection, the objective is clean with little dust. Ask for $1999 HKD. |
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發表於 2012-3-19 16:09:36