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  #1  
Old 05-12-2018, 07:04 PM
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gerry aarts (Gerry)
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Optec Pyxis Camera Field Rotator

Optec Pyxis Camera Field Rotator
To buy new from Optec in the USA plus shipping & Gst it would cost in excess of $770USD = $1100AU.Asking price:$390AU. You pay for shipping.This unit is is like new condition.
(see attached PDF below fo more information)
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Last edited by h0ughy; 14-12-2018 at 02:49 PM. Reason: Price reduced
  #2  
Old 12-12-2018, 02:52 AM
Mokusatsu (Australia)
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I've never done imaging, but I'd like to start. Forgive the dumb noob question...

Will this compensate for field rotation, allowing a dobsonian scope with alt-az tracking to take long exposures?
  #3  
Old 13-12-2018, 03:19 PM
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gerry aarts (Gerry)
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The field derotator compensates for field rotation in AltAz scopes.
Exposures up to 5 minutes are possible.

Having said that, there is no substitute for a well aligned EQ mount for Astro photography where you can do much longer exposures.
  #4  
Old 14-12-2018, 03:33 AM
Mokusatsu (Australia)
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That sounds like something I could use! My scopes are an equatorial mounted refractor, and a goto dob. I hope to buy a really big dob next.

2" focusers on both. Which of your two field rotators would suit me?
 

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