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My C8 Hyperstar3 arrived yesterday and I did the conversion as well which was slightly harder than it looks in the instruction video! Getting the baffle tube off took a while as I really had to work at it - apart from that pretty straight forward.
Once I had the corrector plate out it was interesting to see how sturdy a C8 corrector plate actually is - it was thicker than I expected - and I feel a lot more comfortable with the cantilever weight of small camera hanging off the front. It would take a lot of force to break one I reckon.
The Hyperstar itself is very well made but quite light. It uses simple push pull screws to adjust collimation - but a nice feature is the ability to rotate the assembly within the collar. Another plus is provision for a 2" filter inside the camera adapter - even the fat Baader 2" filters will fit. I'm tempted to get some narrowband filters later as this will make a killer combination for wide angle narrowband photography.
Cloud has prevented me doing much with hyperstar. In fact I haven't been able to get enough clear sky to collimate it yet - but a couple of test shots look promising. Stars look quite crisp in comparision to the native C8 (although this has a lot to do with seeing). Vignetting is also quite minimal with 65% illumination at the corners of a 8300 chip which is very acceptable.
I really look forward to using the scope in earnest for comet searching as I will be able to image a large area of sky down to mag 17.5 or better.
Terry
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