Quote:
Originally Posted by Merlin66
David,
Any good achromat will work well. Other refractors also work well providing they don't have rear elements (ie the Genesis Petzval design)
I had a SW 150 f8 for a while but found the general seeing conditions and the availablity of a suitable mount meant that it wasn't really being used.
The TS 102 f11 I bought for a PST mod proved to be a great compromise. It works well with both the PST mod and the Baader Herschel wedge.
The size of the solar disk is approx. 1/100 the focal length. You can check this against your CCD chip size.....
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i have the mount - a titan and soon probably a eq8 for field work
will have to do a chip scope comparison