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BE AWARE OF ASTRONOMY PLUS WEBSITE COPY. // Free Shipping for orders over 500 $* Some exception may apply.
BE AWARE OF ASTRONOMY PLUS WEBSITE COPY. // Free Shipping for orders over 500 $* Some exception may apply.

Visual Filters

A visual filter is a telescope accessory consisting of an optical filter used by amateur visual astronomers to simply improve the details and contrast on planets or deep-sky objects.
Original price $125.00 - Original price $301.00
Original price
$125.00 - $301.00
$125.00 - $301.00
Current price $125.00

Astronomik UHC Filter

Astronomik UHC Filter You will enjoy using your Astronomik UHC Filter because you will see more stars and more details in deep-sky-objects compared...

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Original price $125.00 - Original price $301.00
Original price
$125.00 - $301.00
$125.00 - $301.00
Current price $125.00
Original price $52.00 - Original price $77.00
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$52.00 - $77.00
$52.00 - $77.00
Current price $52.00

Antares UHC Filter (UHC)

Antares UHC Filter UHC is a filter that blocks the visual spectrum except for wavelengths between 480nM and 510nM. Often called a Nebular or ALP (a...

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Original price $52.00 - Original price $77.00
Original price
$52.00 - $77.00
$52.00 - $77.00
Current price $52.00
Original price $125.00 - Original price $199.00
Original price
$125.00 - $199.00
$125.00 - $199.00
Current price $125.00

Baader Contrast Booster Filter

Baader Contrast Booster Filter Eliminates the color error of economy refractors. Clearly puts the real quality of the lens on display. Removes the...

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Original price $125.00 - Original price $199.00
Original price
$125.00 - $199.00
$125.00 - $199.00
Current price $125.00
Original price $70.00 - Original price $250.00
Original price
$70.00 - $250.00
$70.00 - $250.00
Current price $70.00

Optolong UHC Light Pollution Filter

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

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Original price $70.00 - Original price $250.00
Original price
$70.00 - $250.00
$70.00 - $250.00
Current price $70.00
Original price $740.00
Original price $740.00 - Original price $740.00
Original price $740.00
Current price $499.00
$499.00 - $499.00
Current price $499.00

Sky-Watcher Skymax 127 + DewShield (S11520-USED)

Sky-Watcher Skymax 127 USED If you’re seeking crisp, contrasty views with high levels of detail, look no further than the Skymax series, Sky-Watche...

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Original price $740.00
Original price $740.00 - Original price $740.00
Original price $740.00
Current price $499.00
$499.00 - $499.00
Current price $499.00
Save $241.00 Save $0.00
Original price $95.00 - Original price $377.00
Original price
$95.00 - $377.00
$95.00 - $377.00
Current price $95.00

Astronomik UHC-E Filter

Astronomik UHC-E Filter The Astronomik UHC-E filter is our budget filter for deep-sky observation of emission nebulae and comets under light pollut...

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Original price $95.00 - Original price $377.00
Original price
$95.00 - $377.00
$95.00 - $377.00
Current price $95.00
Original price $125.00 - Original price $289.00
Original price
$125.00 - $289.00
$125.00 - $289.00
Current price $125.00

Astronomik OIII Visual Filter

Astronomik OIII Visual Filter From the start, the Astronomik OIII Visual Filter has been very specifically designed for the visual observation of g...

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Original price $125.00 - Original price $289.00
Original price
$125.00 - $289.00
$125.00 - $289.00
Current price $125.00
Original price $179.00 - Original price $179.00
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$179.00
$179.00 - $179.00
Current price $179.00

Celestron 2" UHC/LPR Filter (94124)

Celestron 2" UHC/LPR Filter Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengt...

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Original price $179.00 - Original price $179.00
Original price
$179.00
$179.00 - $179.00
Current price $179.00
Original price $193.00
Original price $193.00 - Original price $193.00
Original price $193.00
Current price $173.70
$173.70 - $173.70
Current price $173.70

Celestron 2" Oxygen III Narrowband Filter (93624)

Celestron 2" Oxygen III Narrowband Filter The 2" OIII narrowband filter isolates just the two doubly-ionized oxygen lines (496 and 501nm lines) emi...

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Original price $193.00
Original price $193.00 - Original price $193.00
Original price $193.00
Current price $173.70
$173.70 - $173.70
Current price $173.70
Save $19.30 Save $0.00
Original price $133.00 - Original price $133.00
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$133.00
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Current price $133.00

Celestron 1.25" UHC/LPR Filter (94123)

Celestron 1.25" UHC/LPR Filter Our 1-1/4" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wa...

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Original price $133.00 - Original price $133.00
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$133.00
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Current price $133.00
Original price $65.17 - Original price $105.07
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$65.17 - $105.07
Current price $65.17

Optolong ND3.0 Neutral Density Filter

Optolong ND3.0 Neutral Density Filter Neutral Density (ND) filters are designed to reduce transmission evenly across a portion of a specific spectr...

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Original price $65.17 - Original price $105.07
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Current price $65.17
Original price $42.56 - Original price $63.84
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$42.56 - $63.84
Current price $42.56

Optolong Moon & Skyglow Filter

Optolong Moon & Skyglow Filter Optolong Moon & Skyglow filter is designed to darken the background sky by blocking light transmission from ...

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Original price $42.56 - Original price $63.84
Original price
$42.56 - $63.84
$42.56 - $63.84
Current price $42.56
Original price $70.00 - Original price $110.00
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$70.00 - $110.00
$70.00 - $110.00
Current price $70.00

Optolong CLS(City Light Suppression) Broadband Filter

Optolong CLS (City Light Suppression) Broadband Filter 1.  Optolong CLS Introduction The CLS (City Light Suppression) broadband filter is designed ...

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Original price $70.00 - Original price $110.00
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$70.00 - $110.00
$70.00 - $110.00
Current price $70.00
Original price $72.00 - Original price $107.00
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$72.00 - $107.00
$72.00 - $107.00
Current price $72.00

Baader Green Color Filter

Baader Green Color Filter Largest free opening of all color filters on the market to eliminate any vignetting. CNC machined "grip crown" provides ...

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Original price $72.00 - Original price $107.00
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$72.00 - $107.00
Current price $72.00
Original price $161.00 - Original price $270.00
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$161.00 - $270.00
Current price $161.00

Baader Double Polarizing Filter

Baader Double Polarizing Filter Baader Double Polarizing Filter Screws into 1¼ or 2" eyepieces/threads. The two filters can be rotated relative to ...

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Original price $161.00 - Original price $270.00
Original price
$161.00 - $270.00
$161.00 - $270.00
Current price $161.00
Original price $72.00 - Original price $107.00
Original price
$72.00 - $107.00
$72.00 - $107.00
Current price $72.00

Baader Dark Blue Color Filter

Baader Dark Blue Color Filter Baader Dark Blue Color Filter is used for visual and photographic planetary observations. It aids in better detection...

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Original price $72.00 - Original price $107.00
Original price
$72.00 - $107.00
$72.00 - $107.00
Current price $72.00
Original price $125.00 - Original price $289.00
Original price
$125.00 - $289.00
$125.00 - $289.00
Current price $125.00

Astronomik H-Beta Filter

Astronomik H-Beta Filter The Astronomik H-beta is a filter for visual observation, in particular with instruments of larger aperture. It lets the l...

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Original price $125.00 - Original price $289.00
Original price
$125.00 - $289.00
$125.00 - $289.00
Current price $125.00
Original price $30.59 - Original price $30.59
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$30.59
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Current price $30.59

Antares Filter 2" Neutral Density 25% (2ND25)

Antares Filter 2" Neutral Density 25% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancin...

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Original price $30.59 - Original price $30.59
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$30.59
$30.59 - $30.59
Current price $30.59
Original price $30.59 - Original price $30.59
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$30.59
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Current price $30.59

Antares Filter 2" Neutral Density 13% (2ND13)

Antares Filter 2" Neutral Density 13% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhancing...

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Original price $30.59 - Original price $30.59
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$30.59
$30.59 - $30.59
Current price $30.59
Original price $19.95 - Original price $19.95
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$19.95
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Current price $19.95

Antares 1.25" Filter Neutral Density 13% (ND13)

Antares Filter Neutral Density 13% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhan...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95

Antares 1.25" Filter Neutral Density 25% (ND25)

Antares Filter Neutral Density 25% Neutral density filters can reduce brightness across the visual spectrum without losing resolution, enhanci...

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Original price $19.95 - Original price $19.95
Original price
$19.95
$19.95 - $19.95
Current price $19.95
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