Graham,
I've tried the Baader Herschel and it is magnificant compared to my 1000 Oaks primary filter. But the price is quite steep.
Unfortunately, my Meade 80mm refractor did not have enough in travel to achieve focus so was only tested on a FLT110.
But it was a delight. But don't expect anything like that out of the dedicated Coronados though.
I have taken some photos with my DBK so I'll see if I can find them.
Cheers,
Darrin...
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