OPTOLONG 36MM H-ALPHA 7NM FILTER

15,290.00 excl. 18% GST

  • H-alpha 7nm 36mm Filter
  • A threaded version of this filter is pictured. Actual product is a 36mm unmounted 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
Bandpass 7nm
Filter Shape Round
Filter Size 36mm
Filter Thickness 2mm
Filter Type H Alpha
Free Shipping Yes

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