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Review Summary
2014-02-03T19:00:00
Safe way to look at the sun
EDDIE W.
2007-02-12T19:00:00
Very easy to use, slips over the end of the telescope. A "Must Have" for safe viewing of the Sun.
Mark
Color band - blue. Class "A:' filters are made with the same premium quality polished glass and multi-alloy coating as Class "B." An additional steel alloy added to the coating process makes our Class "A:' filters extremely scratch and fade resistant. Excellent for visual and photographic use. Light transmission is 1 /1 000th of 1 Neutral density - 5.