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O-III Filter 1.25" 6.5nm for Nebulae and Deep Sky - Explore Scientific

O-III Filter 1.25" 6.5nm for Nebulae and Deep Sky - Explore Scientific

SKU:es-310105

Available within 7 days

Regular price €159,00 EUR
Regular price "Sale Price" €159,00 EUR
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The Explore Scientific O-III 1.25" 6.5nm filter is designed to enhance the observation of emission nebulae and deep-sky objects, even under skies polluted by artificial light. By blocking nearly all other colors and only allowing the two emission lines of oxygen to pass, this filter reveals hidden details that are invisible without it. This 6.5 nm narrowband filter is particularly effective in challenging urban conditions, where it increases the contrast of faint nebulae. An essential tool for amateur astronomers and astrophotographers, this filter allows observation of objects like the Cirrus Nebula NGC 6992 with surprising clarity. Each filter comes with an individual test certificate, ensuring its superior quality.

  • Bandwidth: 6.5 nm
  • Filtered emission lines: oxygen (O-III)
  • Material: premium optical glass
  • Nearly total blocking of artificial light
  • Anodized aluminum construction for added durability
  • Two-sided threading allowing the use of multiple filters together
  • Enhances the observation of emission nebulae and deep-sky objects
  • Increases contrast and visibility of details on faint objects
  • Ideal for urban observations and astrophotography
  • Compatible with 1.25" diameter eyepieces
  • 1.25" O-III filter
  • Individual test certificate ensuring quality
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