Filter Transmission Specifications -Hydrogen-Beta 486mm 92%Oxygen 3 501mm 91%Hydrogen -Alpha 656mm 95%
Premium 496mm 93%
Botton of Plastic Case is missing anda finger print smudge on one side willnot affect performance - not visible in 1st picture.Priced Accordingly !(In stock for many years, though noton our catalog listings)
***See What You Have Been Missing***
One of Hundreds of other Unique - Rare - Accessories -Telescopes - Binoculars - Astro Equipment - One of a Kind"Request posting catalog item(s) for eBay purchase - Bundling is possible for Domestic and Export Orders.Many more accessory choices at :
Quality Filters :.965" - 1.25" - 2" (48mm) + Celestron (JapanTaiwan) - Meade (Japan) - Tiffen (USA)and misc. Zeiss (Germany) - Bausch & Lomb (Japan)Hoya - Bower - Kenko - (Japan) - Lumicon (US/Japan)Some are Now eBay Posted.
Filed under: Eyepieces & Accessories