Quote:
Originally Posted by rally
Paul,
The QSI simply has an OAG prism in built as a guider port and you add your own guiding system, whereas the SBIG has a fully integrated internal guide camera but now placed in front of the filter wheel which also works in conjunction with all of the SBIG functionality - eg Adaptive Optics, pulse guiding etc etc
No copying there.
Rally
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No; place the guiding solution (does not matter if it is a camera or sensor) in front of the filters in the camera body is QSI's idea and as such is a good reason to copy it. SBIG did copy the idea. Besides looking in a QSI and then seeing those images in the PDF does show a lot of similarities and therefore means they did copy a lot of the features or more correctly reverse enginnered the ideas. Yes there is some copying going on.
Greg, the guide issue is still present but there are easy fixes. These should be included as part of the purchase kit for the camera I think rather than being optional extras.