TPO Polarizing Filter & Case - 1.25"

TPO Polarizing Filter & Case - 1.25"
Item # OS-FPOL
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  • The TPO Polarizing Filter makes a great moon filter, but it also transmits light moving along a certain plane, which increases contrast by removing reflections and reducing haze.
  • This polarizing filter is threaded to fit 1.25" eyepieces and other 1.25" accessories with threaded barrels.
  • The TPO Polarizing Filter is effective on double stars and bright objects like the moon & planets all without changing the color of the object.
  • If you use your telescope for terrestrial viewing during the day, a polarizing filter works wonders on objects throw off glare due to surface reflections, and it even makes the sky a deeper shade of blue.
  • The TPO Polarizing Filter comes in a hinged plastic case for storage and protection.
  • For terms and conditions please examine the TPO Warranty page here.



OPT 1.25" Polarizing Filter with Case

Ambient daylight is normally comprised of multiple wavelengths of light, vibrating in multiple planes. A polarizing filter transmits only light moving along a specific plane, thereby increasing the contrast between surfaces with different planar transmissions. Generally, the polarization effect makes blue skies a deeper blue, eliminates surface reflections and helps reduce atmospheric haze.

The TPO Polarizing Filter is intended for visual use. It’s particularly useful for reducing glare while observing the moon, double stars, the planets and terrestrial subjects – all without affecting the color of the object being observed.

Additional Information

Additional Information

Manufacturer TPO
Type of Filter Lunar or Polarizing
Filter Usage Imaging, Visual
Single or Set? Single Filter
Filter Size 1.25"
Filter Shape Round
Filter Mounted? Mounted
Warranty 2 Year Warranty
Integral Transmission 30%
Included Items

Included Items

  • TPO Polarizing Filter -1.25"
  • Case
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