Lumicon 1.25" Oxygen III narrow bandpass Filter for 1.25"

Lumicon 1.25" Oxygen III narrow bandpass Filter for 1.25"

The renowned, original Lumicon OIII narrow bandpass filter (11nm) 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 background of space and the delicate photons of OIII light needed for near-photographic views of the Veil, Ring, Dumbbell and Orion nebulae, among other objects. See for yourself -- it's truly amazing what the OIII filter allows you to see! Lumicon tests every filter individually on a Perkin-Elmer Double-Beam spectrophotometer, inscribing on the filter its % transmission for each of the primary lines. Not intended for photography (use the Lumicon Deep Sky Filter).

Country	USA
Binding	Electronics
Brand	LUMICON
EAN	0786471484494
Label	Lumicon
Manufacturer	Lumicon
Model	LF3040
MPN	LF3040
NumberOfItems	1
PartNumber	LF3040
ProductTypeSubcategory	other-telescope-accessories
Publisher	Lumicon
SKU	LUO31Q
Studio	Lumicon
ReleaseDate	0000-00-00

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