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Optolong H-Alpha 7nm (1.25'') CCD Filter [OPTO-HA7-125]

OPTO-HA7-125
$175.00 USD
2 in stock IN STOCK, usually ships within 48h or less directly from our warehouse
Optolong: H-Alpha 7nm filter is the most popular narrow band filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). Best choice of narrow band H-alpha astrophotography filter for highest contrast and revealing subtle nebula details.

About Optolong H-Alpha 7nm (1.25'') CCD Filter [OPTO-HA7-125]

Optolong: H-Alpha 7nm filter is the most popular narrow band filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducing the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor, and both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow). Best choice of narrow band H-alpha astrophotography filter for highest contrast and revealing subtle nebula details.

  • Glass quality Schott glass
  • Thickness 2mm
  • Surface quality 60/40 standard MIL-O-13830
  • Transmission 80% on H-alpha 686nm
     


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  • $42.00 USD - [S1] USPS Ground Shipping (7-21 days)

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