Brand: Optolong

Optolong Moon & Skyglow Filters (OPT-MSG-125/OPT-MSG-2)

Brand: Optolong

Optolong Moon & Skyglow Filters (OPT-MSG-125/OPT-MSG-2)

$35.00 USD

Diameter

1.25" (OPT-MSG-125) 2" (OPT-MSG-2)

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$35.00 USD

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Product Description

Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from skyglow 589nm and many street light emissions from artificial light. Its high efficiency preserves image brightness, reveals more details and increases contrast of moon, galaxies, nebulae and globular star clusters.

Ideally it is quite versatile filter for visual observation and astrophotography on planetary nebula.

What's in the Box

  • Outer Box: sliver box
  • Plastic Box: PP material
  • Lining: imported high pressure white EVA material
  • Moon & Skyglow Filter

Specifications

  • Substrate: B270
  • Thickness: 1.85mm
  • Tave: T>90%
  • BlockingDdepth: Light Pollution Line Blocking >99%
  • Surface quality: 60/40
  • Transmitted Wavefront RMS: λ/4
  • Parallelism: 30s

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