Quote:
Originally Posted by tempestwizz
Apparently the Q 1.7 extender made for the FS60C corrects a lot of weaknesses in optical performance that are noticeable when imaging. The review in the attached URL was an eye opener for me. Others might find it of interest also.
http://scopeviews.co.uk/TakFS60Q.htm
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Yup, I can attest to this. Have imaged using this setup and it’s flat across the APS-C sensor on a Canon D60a.
Sure, a tad slow, but for bright objects like globular and open clusters it works well.