Manufacturer: Lumicon
Product number: LF3050

EUR 497,49

incl. 19 % VAT (DE)  
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Lumicon SC Oxygen III (OIII) Filter - LF3045
The renowned, original Lumicon OIII narrow bandpass filter (11 nm) for SC thread isolates just the two doubly-ionized oxygen lines (496 and 501 nm 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. Do not settle for cheap imitations.

In the July issue 2019 of the well-known astronomy magazine "SKY & TELESCOPE" a report about the new generation 3 of this filter has been published, the PDF can be downloaded here.

Not intended for photography (use the Lumicon Deep Sky Filter).
Type:Oxygen III filter
Format:SC thread and additional T2 connection
Minimum exit pupil:2 mm (otherwise the image might become too dark)
Filter in plastic box

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