OPTOLONG 3nm NARROWBAND SHO FILTER SET Size:2" 2 x RA motor and
USD969.50
USD1006.50
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USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 22 - Aug 27
Live Spec
OPTOLONG 3nm NARROWBAND SHO FILTER SET Size:2" 2 x RA motor andThe NEW Optolong 3nm H Alpha, Oxygen III and Sulphur II narrow band filters boost the contrast of emission nebulae and supernova remnants for professional results, even under a bright sky affected by light pollution. This filter is used in combination with the OIII and SII filter to compose a narrowband colour image. The 3nm band pass is only 1% of the entire visible spectrum, increasing the signal to noise ratio and delivering high contrast images
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