Quote:
I wasn't implying there was anything wrong with baader solar film (I know it's very good), I'm just a wee bit wary of DIY attachments - all it takes is for something to go wrong and voila...hence really liking the idea of a proper filter/filter thread.
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Some of us have worked out the problems with DIY attachments.
My design was designed to be optimal for solar eclipses where unscrewing a filter in the seconds before totality is not practical. It is designed to be secure and able to be removed quickly. However, it works perfectly well for normal white light solar viewing and if made to the instructions will never come loose.
http://joe-cali.com/eclipses/EQUIPME...arfilters.html
Joe