Product Details

• Description
• Specifications
• Included Items
• Reviews
• Recommended Accessories

• Eyepiece filters are an invaluable aid in lunar and planetary observation.
  
  Benefits of Using The TPO #12 Yellow Filter

  • Reduces glare and light scattering.
  • Increases contrast through selective filtration.
  • Increases definition and resolution.
  • Reduces irradiation.
  • Lessens eye fatigue.

  
  TPO filters are made of premium, solid-plane parallel glass with excellent homogeneity. They are AR coated to prevent glaring and ghosting. This eyepiece filter is threaded to fit most 2-inch eyepieces and comes with a hinged plastic case to keep your filter safe and clean when not in use.

  TPO Product Number: OS-F2-12

• specifications

  Filter Type	Yellow
  Size	2"
  Warranty	2 Year Warranty
  Wratten #	12

• included items

  TPO #12 Yellow (74% transmission) Filter Features:

  • Contrasts strongly with blue-colored features on Jupiter and Saturn while enhancing red and orange features.
  • Lightens red-orange features on Mars while reducing or blocking the transmission, and thereby increasing the contrast of blue-green areas.
  • Useful in increasing the contrast of lunar features in telescopes 6-inch aperture and larger.

   

  • Reduce Irradiation.
  • Strong Contrasts on Blue-colored Features.
  • 74% Transmission.
  • Filter Size: 2 inches.
  • Mounted Filter.