Filters

1.25" EYEPIECE AND FILTER KIT
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$241.95
$169.95

1.25" EYEPIECE AND FILTER KIT

Celestron

This 1.25” Eyepiece & Filter Kit includes 14 accessories that will add new life to your telescope and your observing! You’ll get five quality ...

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$241.95
$169.95
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$53.95
$39.95

1.25" MARS OBSERVING EYEPIECE FILTER

Celestron

Premium glass Mars filter with multiple coatings to maximize light transmission in specific wavelengths to bring out subtle details in the Martian...

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$53.95
$39.95
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1.25" MOON FILTER
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$12.95
$9.95

1.25" MOON FILTER

Celestron

Reduce glare and increase contrast of the Moon with the Celestron 1.25” Moon Filter Also useful for extra bright planets as well as terrestrial vi...

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$12.95
$9.95
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Explore Scientific Nebula Filter 1.25" CLS
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$118.99
$99.99

Explore Scientific Nebula Filter 1.25" CLS

Explore Scientific

Explore Scientific Nebula Filter 1.25" CLS Range from 436nm to 536nm with peak at 488nm Transmission 98.3%

$118.99
$99.99
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Explore Scientific Nebula Filter 1.25" H-Beta
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$146.99
$119.99

Explore Scientific Nebula Filter 1.25" H-Beta

Explore Scientific

Explore Scientific Nebula Filter 1.25" H-Beta Range from 478nm to 496nm with peak at 489nm Transmission 94.5%

$146.99
$119.99
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Explore Scientific Nebula Filter 1.25" O-III
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$118.99
$99.99

Explore Scientific Nebula Filter 1.25" O-III

Explore Scientific

Explore Scientific Nebula Filter 1.25" O-III Range from 483nm to 511nm with peak at 496nm Transmission 96.7%

$118.99
$99.99
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Explore Scientific Nebula Filter 1.25" UHC
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$118.99
$99.99

Explore Scientific Nebula Filter 1.25" UHC

Explore Scientific

Explore Scientific Nebula Filter 1.25" UHC Range from 458nm to 508nm with peak at 488nm Transmission 96.7%

$118.99
$99.99
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Explore Scientific Nebula Filter 2" CLS
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$132.99
$109.99

Explore Scientific Nebula Filter 2" CLS

Explore Scientific

Explore Scientific Nebula Filter 2" CLS Range from 436nm to 536nm with peak at 488nm Transmission 98.3%

$132.99
$109.99
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Explore Scientific Nebula Filter 2" H-Beta
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$209.99
$169.99

Explore Scientific Nebula Filter 2" H-Beta

Explore Scientific

Explore Scientific Nebula Filter 2" H-Beta Range from 478nm to 496nm with peak at 489nm Transmission 94.5%

$209.99
$169.99
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Explore Scientific Nebula Filter 2" O-III
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$160.99
$129.99

Explore Scientific Nebula Filter 2" O-III

Explore Scientific

Explore Scientific Nebula Filter 2" O-III Range from 483nm to 511nm with peak at 496nm Transmission 96.7%

$160.99
$129.99
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Explore Scientific Nebula Filter 2" UHC
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$160.99
$129.99

Explore Scientific Nebula Filter 2" UHC

Explore Scientific

Explore Scientific Nebula Filter 2" UHC Range from 458nm to 508nm with peak at 488nm Transmission 96.7%

$160.99
$129.99
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Explore Scientific Neutral Density Filter 1.25" ND 0.9
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$48.99
$40.99

Explore Scientific Neutral Density Filter 1.25" ND 0.9

Explore Scientific

Explore Scientific Neutral Density Filter 1.25" ND 0.9 with 13% transmission

$48.99
$40.99
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Explore Scientific Neutral Density Filter 2" ND 0.9
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$55.99
$49.99

Explore Scientific Neutral Density Filter 2" ND 0.9

Explore Scientific

Explore Scientific Neutral Density Filter 2" ND 0.9 with 13% transmission

$55.99
$49.99
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Save 36%
$341.95
$219.95

LIGHT POLLUTION IMAGING FILTER, RASA 8

Celestron

Enhance your 8” Rowe-Ackermann Schmidt Astrograph (RASA) by blocking light pollution, improving image contrast, and darkening the sky background. ...

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$341.95
$219.95
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LIGHT POLLUTION IMAGING FILTER, ROWE-ACKERMANN SCHMIDT ASTROGRAPH 11
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$839.95
$529.95

LIGHT POLLUTION IMAGING FILTER, ROWE-ACKERMANN SCHMIDT ASTROGRAPH 11

Celestron

Take beautiful images of deep-sky objects from light-polluted suburban locations with the Rowe-Ackermann Schmidt Astrograph 11 (RASA 11) using thi...

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$839.95
$529.95
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$17.95
$14.95

NEUTRAL DENSITY MOON FILTER - 1.25"

Celestron

Reduces brightness and cuts glare, increasing clarity of the Moon, Venus, and bright double stars 13% light transmission Provides a true color ima...

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$17.95
$14.95
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OXYGEN III NARROWBAND FILTER - 1.25 IN
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$107.95
$89.95

OXYGEN III NARROWBAND FILTER - 1.25 IN

Celestron

The 1-1/4" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emitted by planetary and emission nebula...

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$107.95
$89.95
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OXYGEN III NARROWBAND FILTER - 2 IN
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$148.95
$119.95

OXYGEN III NARROWBAND FILTER - 2 IN

Celestron

The 2" OIII narrowband filter isolates the two doubly-ionized oxygen lines (496 and 501 nm lines) Filter has ultra-hard, vacuum-deposited coating ...

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$148.95
$119.95
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UHC/LPR FILTER - 1.25 IN
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$96.95
$79.95

UHC/LPR FILTER - 1.25 IN

Celestron

Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifical...

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$96.95
$79.95
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UHC/LPR FILTER - 2 IN
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$137.95
$109.95

UHC/LPR FILTER - 2 IN

Celestron

Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically t...

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$137.95
$109.95
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$38.95
$29.95

VARIABLE POLARIZING FILTER - 1.25”

Celestron

A customizable way to reduce brightness and glare on the brightest celestial objects like the Moon, Venus, and bright double stars Adjust the leve...

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$38.95
$29.95
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