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Old August 21st 17, 08:09 PM posted to
Andy Burns[_12_]
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Posts: 573
Default Watching an eclipse

Scott wrote:

Andy Burns wrote:

special eclipse viewing filters aren't sunglasses.

Okay, but are they safe?

Don't know if you'll find a full version of the relevant ISO standard
without paying the 58 swiss francs, maybe you have a library
subscription that gives access?