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Baader OIII 1.25-inch Narrow Band 8.5nm Filteradd this item to shopping cartThis product is highly recommended
Code: 2458435
Baader OIII CCD Narrowband-Filter (8.5nm) 1.25" / with LPFC for CCD imaging


The OIII narrowband filter for CCD imaging 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. The result is extreme contrast between the black sky background and the faint photons of OIII light needed for detailed views of the Veil, Ring, Dumbell, Crescent and Orion nebulae, among other objects. Each filter has an ultra hard, vacuum-deposited coating carefully designed to block all of the visual spectrum ranging from 400 to 700 nm
This eliminates the unnatural coloured halos surrounding bright stars common with O III filters of less sophisticated coating technology.




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Price: $175.00
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