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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Mounting holes
Made in USA
Modern USA Coating technology controls the deposition of thousands of layers in the filter design
25 Inch Night Sky Hydrogen-α Filter is long-pass with a 50% transition from blocking to passing at about 640nm
The motorized drive unit is customer-installed — it bolts onto your existing HD Wheeley Bar with basic hand tools
Lumicon 1.25 Inch Night Sky Hydrogen-α Filter Adjustible Bahtinov Mounting holesLumicon 1. 25 Inch Night Sky Hydrogen FilterNOT safe for Solar Viewing! Do NOT view or image the sun with this filter! Lumicon 1. 25 Inch Night Sky Hydrogen Filter is ideal for black & white deep sky photography. The filter is an extreme anti light pollution filter, and allows for contrast enhancement of emission nebulae and other astronomical objects bright in the infrared. Lumicon 1. 25 Inch Night Sky Hydrogen Filter is long pass with a 50%
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