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Hi Barry.
It might be difficult to attach your E mount lenses to the QHY ccd because of the very short back focus of the E mount lenses.
A good quality alternative is to use old Olympus OM lenses. I have an Olympus 35mm F2.8 lens, that I got for about $50, on my QHY9 and it works very well with sharp stars right to the corners when you stop it down 1 stop.
To attach it, I got a Canon to T thread adapter from Theo at Gamma Electronics. I then got an OLYMPUS to CANON adapter from ebay for about $20. With this arrangement I have used Olympus 35, 50, 135 and 200mm lenses with very good results.
Alternatively you can get a NIKON to CANON adapter from ebay for the same price and use old Nikon lenses.
PM me if you need any more info.
Good luck.
Ross.
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