Astromania 1.25" O-III Filter - Enhances Contrast During Visual Observation of Gaseous and Planetary Nebulae in All Sky Conditions, The Veil, Ring, Dumbbell and Orion Nebula, Among Many Other Objects

★★★★★ 4.4 81 reviews

$58.99
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$58.99
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Product details

Management number 208573424 Release Date 2026/03/22 List Price $23.60 Model Number 208573424
Category
  • 1.25 inch O-III Filter greatly enhances contrast during visual observation of gaseous and planetary nebulae in all sky condition; allows high-contrast imaging even in areas with strong light pollution
  • Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming; allowing just for the Double Ionized Oxygen lines between 496nm to 501nm to pass through at 95 percent
  • Completely blocks virtually all other visible wavelengths of light so views of nebulas are optimized; increases contrast through selective filtration-Anti-reflection coated to prevent glaring and ghosting
  • Not only useful at light-polluted sites; the contrast is also increased at dark sky sites; can be used with all 1.25 inch eyepieces; filter made from high-grade glass with dichroic interference and antireflection coatings
  • Each Astromania 1.25inch O-III Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the two O-III emission lines
Item Weight 0.3 ounces
Manufacturer Astromania
Item model number SKU_AM_OF1
Product Dimensions 2.14 x 1.74 x 0.74 inches
Is Discontinued By Manufacturer No

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