Hi Peter,
The image you steered me to is certainly vastly superior to my feeble efffort.
What do you mean by point sources?
Please find attached the Starizona site refering to the Hyperstar specs. I am not am expert in these matters but assume a credible Astronomy dealer must use actual facts in their promotions.
http://starizona.com/acb/hyperstar/whatis.aspx
What do you think?
Regards
Gerry