DSI II and Baader MPCC #2458400
Posted 16 February 2011 - 08:24 AM
I cannot seem to find an answer to this question. I've searched the web, plus members at cloudynights cannot answer it either. I have the Monochrome version of the DSI II and i also have the Coma corrector baader MPCC. The MPCC will thread directly to the DSI's threads (nosepiece removed). I read tho.. that the MPCC needs to be a distance of 55mm from the CCD or DSLR sensor. will i get this by directly attaching the MPCC to the DSI or will i have focusing issues until i get the 55mm distance corrected? I will be getting my new scope tomorrow. AT8IN astro-Tech Newtonian. I currently have the LXD75 SN 10in.
Thank you for any kind of help here.
Posted 22 February 2011 - 04:25 PM
Posted 15 April 2011 - 01:23 PM
Did you ever get this sorted out? I also have the AT 8in Newtonian Astrograph, a coma corrector and the DSI II. The distance is not really a focus issue but a correction issue. If you want a flat frame (and why else would you be using an MPCC), definitely abide by the 55mm spacing. I've shot a few things with this combination and it works great. I wondered whether the CC was really required given the size of the DSI II chip, but I haven't experimented without the CC. One of my recent images with this setup is attached.
Posted 04 June 2011 - 06:26 AM
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