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Use Baader solar foil... much safer
In reply to Waldo Nell,
May 31, 2012
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At least, if you want to photograph sunspots or the venus transit
The foil is cheap, you can make any size out of it you want for different lenses. It exists in two types: visual and photographical. Choose the photographical.
http://www.baader-planetarium.de (I think they have dealers worldwide)
--
Nikon NPS member
D3s/D800/450D-IR/60Da/LX5
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