Astromania 2 Inch Upgrated O-III Filter - Bundle with - Universal Dovetail Base

★★★★★ 4.9 118 reviews

$140.99
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$140.99
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Free shipping Free 30-day returns

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Product details

Management number 208576810 Release Date 2026/03/22 List Price $56.40 Model Number 208576810
Category
  • Fits factory drilled holes on Celestron; Meade; and Orion Schmidt-Cassegrain telescopes; attaches directly to Schmidt-Cassegrain Telescope "SCT" optical tube with included mounting hardware
  • Ideal for custom installation of finder scope; EZ Finder reflex sight; and Green Laser Pointer bracket on telescope; dovetail base fits finder scope or reflex sight bracket so securely attach an aiming device to any telescope; synta-style dovetail base
  • Drilled "but not threaded" to accommodate screws up to 5mm in diameter; center-to-center screw hole spacing on your telescope must be from 10.2 to 30.2mm in order for this dovetail base to be compatible
  • New Upgrade: Astromania Upgrade Edition OIII Filter is used for capturing the gas tails and gas flows of comets; with the two brightest C2 emission lines at wavelengths of 511 and 514 nm; the full width at half maximum wavelength is less than 15 nm
  • Fused Silica Matrix: The OIII filter is made of silica matrix and has an aluminum metal casing. It features dichroic interference and anti-reflective coating; it is suitable for areas with light pollution and dark sky areas to enhance contrast

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4.9 out of 5
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118 ratings | 48 reviews
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