Pay in 4 interest-free payments of $21.50 Learn more
Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
longer service life
making your instrument easier to use and transport
Electrostatic discharge protection
Compact anodised aluminium enclosure
EXPLORE SCIENTIFIC H-Alpha Filters Size:Explore Scientific 2" H-Alpha Filter 12nm longer service lifeThe EXPLORE SCIENTIFIC H Alpha filter allows photography of red glowing emission nebulae; ideal for use near cities, in slightly light polluted skies. High quality EXPLORE SCIENTIFIC H Alpha filter Only lets the emission lines of hydrogen pass Absorbs all other emission lines and almost all artificial light Ideal for use near the city, with slightly lightened skies
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