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43 Products Found
2"
Altair Astro 115mm Aperture TRIBAND D-ERF (120mm filter with housing cell)
$649.99
Altair Astro 115mm Aperture TRIBAND D-ERF (120mm Filter with Housing Cell) Comprehensive Solar Protection: Specifically designed to safeguard your telescope and solar imaging equipment from excessive heat during solar observation...
Altair Astro 115mm Aperture Hydrogen Alpha D-ERF (120mm filter with housing cell)
$529.00
Altair 115mm Aperture Hydrogen Alpha D-ERF Solar Filter Advanced Solar Protection: The Altair Dichroic Solar Energy Rejection Filter (D-ERF) is designed to protect telescopes and solar imaging equipment from excessive...
Altair Astro 160mm TRIBAND D-ERF Solar Energy Rejection Filter (Hydrogen Alpha plus CaK CaH)
$1,419.99
Altair Astro 160mm TRIBAND D-ERF Solar Energy Rejection Filter Advanced Solar Protection: Designed to protect telescopes and solar imaging equipment from excessive heat build-up, specifically when using Daystar Hydrogen Alpha...
Tele Vue Optics OIII Filters
$143.00 – $260.00
Tele Vue Optics OIII Filters: Bandmate Series Key Features: Precision Manufacturing: Filters are crafted with strict quality control, ensuring consistent performance. German-Sourced Materials: High-quality materials from Germany guarantee durability and...
Altair 2nm G-Band Solar Contrast Filter - 2" 430.3nm
$319.99
IMPORTANT SAFETY INFORMATION: DO NOT USE THIS FILTER FOR DIRECT SOLAR OBSERVATION! Must be used together with a professional solar filter film or glass type, or Hershel Wedge with Max. 0.024%...
Celestron Oxygen III Narrowband Filter - 2"
$124.95
The Celestron Oxygen III Narrowband Filter - 2" is an essential accessory for astronomers and astrophotographers. Specifically designed to isolate the two doubly-ionized oxygen lines (496 and 501 nm lines)...
Celestron UHC/LPR Filter - 2"
$124.95
Celestron UHC/LPR Filter - 2" Targeted Light Pollution Reduction: Designed to decrease transmission of specific wavelengths from artificial lighting, including mercury and sodium vapor lights. Enhanced Ultra High Contrast: Offers...
Optec Inc. IFW-2 Filter Wheel
$1,250.00
Optec Inc. IFW2 Filter Wheel: High-Speed, Versatile Control for Advanced Imaging Innovative High-Speed Design: The IFW 2 is Optec's pioneering high-speed filter wheel, designed for rapid filter changes to...
Optec Inc. HSFW 2” Intelligent Filter Selector System
$925.00
HSFW High Speed Filter Wheel with USB interface. With a homing time of 2 seconds and .8 seconds to switch to an adjacent filter the HSFW can sustain fast imaging...
Astronomik OIII Visual Filter
$119.95 – $239.95
Enhance your stargazing experience with the Astronomik OIII Visual Filter. Designed for visual astronomy, this premium filter isolates the elusive OIII spectral line, allowing you to capture clear views of...
Altair ULTRA 3nm Sii Narrowband Filter 2" CERTIFIED
$400.00
Discover the wonders of the cosmos with Altair ULTRA 3nm Sii Narrowband Filter 2" CERTIFIED. Enhance your astrophotography with precision and clarity, capturing stunning Sulfur II emission nebulae. Elevate your...