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DayStar Daystar Calcium H-Line Quark Filter
Daystar Calcium H-Line Quark Filter
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Daystar Calcium H-Line Quark Filter
$1,295.00
DayStar Daystar Instruments QUARK* Sodium D-Line Filter
Due to popular demand for high resolution, narrow bandpass sunspot imaging, we are proud to offer the new Sodium D-Line Quark filter.
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Daystar Instruments QUARK* Sodium D-Line Filter
$1,195.00
DayStar Daystar Energy Rejection Filter - glass, cell and cap - Specify dimensions
Energy Rejection Filter for Hydrogen Alpha solar filter. Specify dimensions below.
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Daystar Energy Rejection Filter - glass, cell and cap - Specify dimensions
$250.00
DayStar Daystar 2" UV/IR Filter
Designed to help protect sensitive equipment from heat and radiation during solar observation sessions
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Daystar 2" UV/IR Filter
$125.00
Arcturus Arcturus Moon Filter 2
The Arcturus 2" Neutral Density 13 (ND13), transmits 13% of all incident light, while blocking 87%.
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Arcturus Moon Filter 2
$39.95
Arcturus Moon Filter 1.25
Arcturus' Moon filter reduces glare so you can see more lunar detail and surface features
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Moon Filter 1.25
$15.00
Arcturus Variable Polarizing Filter 2 Inch
This 2" Variable Polarizing Filter, is the all-phase lunar filter for large telescopes. Transmittance is continuously variable from about 5% to 35%.
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Variable Polarizing Filter 2 Inch
$49.95
Lumicon Lumicon Vintage 1.25 Deep Sky Light Pollution Nebula Filter
The 1.25″ Deep Sky is Lumicon’s most popular nebula filter. It blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum.
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Lumicon Vintage 1.25 Deep Sky Light Pollution Nebula Filter
$242.00
Celestron Celestron UHC/LPR Filter - 2 in
Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically those produced by artificial light.
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Celestron UHC/LPR Filter - 2 in
$124.95
Celestron Celestron UHC/LPR Filter - 1.25 in
Improved transmission translates to maximum image brightness and contrast!
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Celestron UHC/LPR Filter - 1.25 in
$94.95
Celestron Celestron Oxygen III Narrowband Filter - 2 in
For detailed views of the Veil, Ring, Dumbbell, Crescent and Orion nebulae, among other objects!
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Celestron Oxygen III Narrowband Filter - 2 in
$124.95
Celestron Celestron Oxygen III Narrowband Filter - 1.25 in
The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebulae, while blocking the rest of the overall spectrum of light.
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Celestron Oxygen III Narrowband Filter - 1.25 in
$94.95
Arcturus Arcturus Hydrogen-Beta Filter 2" (LIMITED QUANTITIES)
A Hydrogen-Beta telescope filter may be the only way to see the faint and elusive Horsehead, California, and Cocoon Nebulas.
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Arcturus Hydrogen-Beta Filter 2" (LIMITED QUANTITIES)
$99.95
Arcturus Arcturus Hydrogen-Beta Filter 1.25" (LIMITED QUANTITIES)
A Hydrogen-Beta telescope filter may be the only way to see the faint and elusive Horsehead, California, and Cocoon Nebulas.
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Arcturus Hydrogen-Beta Filter 1.25" (LIMITED QUANTITIES)
$59.95
Baader Planetarium Baader Narrowband 8nm S-II Filter
CCD imagers will find Baader's Premium Narrowband CCD passfilters to deliver the absolute highest contrast deep sky images in H-Alpha, H-Beta, Oxygen III, and Sulfur-II, with the shortest exposures possible.
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Baader Narrowband 8nm S-II Filter
$149.00
Baader Planetarium Baader Astro Conversion Filter for CANON EOS 300D
This filter is intended for amateurs that are comfortable replacing their camera's stock filter.
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Baader Astro Conversion Filter for CANON EOS 300D
$111.00
Astrozap Astrozap AZ-821 Flexi-Heat Dew Shield for Meade 8" ETX LS
Flexi-Heat dew shield for Meade 8" Sct ETX LS with notch for side arm.
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Astrozap AZ-821 Flexi-Heat Dew Shield for Meade 8" ETX LS
$92.35
Astrozap AZ-819-M Flexi-Heat Meade 6" ETX LS Dew Shield
Flexi-Heat Meade 6" ETX LS Dew Shield with Notch.
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AZ-819-M Flexi-Heat Meade 6" ETX LS Dew Shield
$85.03
Astrozap Astrozap AZ-814 Flexi-Heat Dew Shield for Meade 14 SCT
Flexi-Heat Meade 14 Sct LX200 & ACF Dew Shield.
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Astrozap AZ-814 Flexi-Heat Dew Shield for Meade 14 SCT
$188.32
Astrozap Astrozap AZ-815 Flexi-Heat Dew Shield for Meade 16 SCT
Astrozap Astrozap AZ-815 Flexi-Heat Dew Shield for Meade 16 SCT
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Astrozap AZ-815 Flexi-Heat Dew Shield for Meade 16 SCT
$205.04
Astrozap Astrozap AZ-805 Flexi-Heat Dew Shield for ETX 125 / C5
Flexi-Heat Meade ETX 125 Dew Shield
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Astrozap AZ-805 Flexi-Heat Dew Shield for ETX 125 / C5
$62.26
Astrozap Astrozap AZ-804 Flexi-Heat Dew Shield for Meade ETX 105 / C-4
Flexi-Heat Meade ETX 105 Dew Shield.
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Astrozap AZ-804 Flexi-Heat Dew Shield for Meade ETX 105 / C-4
$60.89
Astrozap Astrozap AZ-801 Flexi-Heat Dew Shield for Meade 8 LXD55 & LXD75 SCT-Newt
Flexi-Heat Meade 8 LXD55 & LXD75 Sct-Newt Dew Shield.
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Astrozap AZ-801 Flexi-Heat Dew Shield for Meade 8 LXD55 & LXD75 SCT-Newt
$95.65
Astrozap Astrozap AZ-820-N1 Flexi-Heat Dew Shield for Celestron 8 Edge HD (One notch)
Flexi-Heat dew shield for Celestron 8" Sct HD with bottom notch
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Astrozap AZ-820-N1 Flexi-Heat Dew Shield for Celestron 8 Edge HD (One notch)
$102.03