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OPTOLONG 2″ H-ALPHA 7NM FILTER

₹20,515.00 excl. 18% GST

  • H-alpha 7nm 2″ Filter
  • A very narrow emission-line filter
  • Permits a 7nm bandwidth of light (focused on the 656nm wavelength) through
  • Blocks transmission of contrast-killing light pollution wavelengths
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Bandpass 7nm
Filter Shape Round
Filter Size 2″
Filter Thickness 2mm
Filter Type H Alpha
Free Shipping Yes

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