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EXPLORE SCIENTIFIC 1.25" S-II Nebula Filter 6.5nm

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The EXPLORE SCIENTIFIC S-II filter allows the accurate observation of planetary nebulae, emission nebulae and supernova remnants; narrow band version with 6.5 nm to increase contrast even in difficult urban conditions.

  • High-quality EXPLORE SCIENTIFIC S-II filter
  • Only lets the emission line of ionized sulfur at 672 nm pass
  • Absorbs all other emission lines and almost all artificial light
  • For planetary nebulae, emission nebulae and supernovae
  • Band pass width: 6.5 nm
  • Narrow band version for difficult urban conditions
  • Individual test certificate included to guarantee you receive a premium filter
Delivery period: 7-10 working days.

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Product number: 0310125
EAN: 4007922072692
Shipping Weight: 0.26 kg

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