Most keen amateur astronomers probably know this already, but for readers who are not familiar with the Baader AstroSolar ™ Photo Film (3.8) versus the Baader AstroSolar ™ Safety Film (5), the Baader website writes:
“AstroSolar™ PhotoFilm is not intended for visual observation. PhotoFilm is only for use with telescopes for high magnification photographic work. Do not use it for producing solar eclipse viewers, do not mount it onto DSLR camera lenses.”
The last sentence re: “…do not mount it onto DSLR camera lenses” is worth reiterating.
Cheers
Dennis
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