GSO 1.25" #12 Yellow Filter


GSO 1.25" #12Yellow filter.

Eyepiece filters are an invaluable aid in lunar and planetary observing. They reduce glare and light scattering, increase contrast through selective filtration, increase definition and resolution, reduce irradiation and lessen eye fatigue.

GSO filters are made of high quality, solid plane parallel glass with excellent homogeneity. They are anti-reflection coated to prevent glaring and ghosting. All eyepiece filters are threaded to fit GSO and most other manufacturers 1.25" eyepieces and offer a full 26mm clear aperture.


  • 74% Transmission
  • Enhances red and orange features on Jupiter and Saturn
  • Lightens red and orange features on Mars
  • In all cases improve contrast with blue and green areas
  • Enhances blue clouds on Mars
  • Increase lunar contrast for telescopes >6"

Please enquire when stock is indicated as zero. Availability is typically within 2 months - please enquire.

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  • Model: GSO_AD056
  • Shipping Weight: 0.1kgs
  • 0 Units in Stock
  • Manufactured by: GSO

This product was added to our catalog on Wednesday 12 December, 2007.

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