Celestron, Celestron Accessories, Eyepiece
OIII Narrowband Filter – 1.25″
₹8,932.00 excl. 18% GST
& Free Shipping- The 1-1/4″ OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light
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