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FREE SHIPPING FOR ORDERS OVER $500* Some exceptions may apply. / This is Astronomy Plus OFFICIAL website.
FREE SHIPPING FOR ORDERS OVER $500* Some exceptions may apply. / This is Astronomy Plus OFFICIAL website

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 $81.00 - Original price $122.00
Original price
$81.00 - $122.00
$81.00 - $122.00
Current price $81.00

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 $81.00 - Original price $122.00
Original price
$81.00 - $122.00
$81.00 - $122.00
Current price $81.00
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 $168.00 - Original price $375.00
Original price $375.00
$168.00 - $375.00
$168.00 - $375.00
Current price $168.00

Tele Vue Bandmate Nebustar Type II Filter

Tele Vue Bandmate Nebustar Type II Filter The Tele Vue Bandmate Nebustar Type II Filter is a unique narrowband design specifically for Tele Vue. It...

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Original price $168.00 - Original price $375.00
Original price $375.00
$168.00 - $375.00
$168.00 - $375.00
Current price $168.00
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 $166.00 - Original price $302.00
Original price
$166.00 - $302.00
$166.00 - $302.00
Current price $166.00

Tele Vue Bandmate OIII Filter

Tele Vue Bandmate OIII Filter The Tele Vue Bandmate OIII Filter passes light from doubly ionized oxygen atoms. As such, it is great for viewing pla...

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Original price $166.00 - Original price $302.00
Original price
$166.00 - $302.00
$166.00 - $302.00
Current price $166.00
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 $162.00 - Original price $162.00
Original price
$162.00
$162.00 - $162.00
Current price $162.00

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 $162.00 - Original price $162.00
Original price
$162.00
$162.00 - $162.00
Current price $162.00
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 $161.00 - Original price $270.00
Original price
$161.00 - $270.00
$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
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$161.00 - $270.00
$161.00 - $270.00
Current price $161.00
Original price $22.00 - Original price $22.00
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$22.00
$22.00 - $22.00
Current price $22.00

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 $22.00 - Original price $22.00
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$22.00
$22.00 - $22.00
Current price $22.00
Original price $112.00 - Original price $226.00
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$112.00 - $226.00
$112.00 - $226.00
Current price $112.00

Baader C2 Swan-Band Filter (15nm) – OIII Parallel (FSWAN)

Baader C2 Swan-Band Filter (15nm) – OIII Parallel   Comet filter for the two brightest C2 emission lines at 511 and 514nm (called "Swan-Band") in ...

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Original price $112.00 - Original price $226.00
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$112.00 - $226.00
Current price $112.00
Original price $130.00 - Original price $240.00
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$130.00 - $240.00
Current price $130.00

Baader O-III Super-G Filter (9nm) - CMOS Optimized (FOIIISG)

Baader O-III Super-G Filter (9nm) - CMOS Optimized   O-III Super-G filter with 9 nm FWHM and a maximum transmission of 97%.For visual and photogra...

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Original price $130.00 - Original price $240.00
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$130.00 - $240.00
Current price $130.00
Original price $166.25 - Original price $301.91
Original price
$166.25 - $301.91
$166.25 - $301.91
Current price $166.25

Tele Vue Bandmate H-Beta Filter

Tele Vue Bandmate H-Beta Filter The Tele Vue Bandmate H-Beta Filter passes the aqua colored hydrogen-beta emission lines found in the Horsehead, Ca...

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Original price $166.25 - Original price $301.91
Original price
$166.25 - $301.91
$166.25 - $301.91
Current price $166.25
Original price $120.00 - Original price $120.00
Original price
$120.00
$120.00 - $120.00
Current price $120.00

Thousand Oaks Broadband Light Pollution Reduction Filter - 1.25" (LP125)

Thousand Oaks Broadband Light Pollution Reduction Filter - 1.25" Blocks most man-made light pollution (sky glow) from common sources such as mercu...

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Original price $120.00 - Original price $120.00
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$120.00
$120.00 - $120.00
Current price $120.00
Original price $95.00 - Original price $377.00
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$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 $162.00
Original price $162.00 - Original price $162.00
Original price $162.00
Current price $140.00
$140.00 - $140.00
Current price $140.00

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 $162.00
Original price $162.00 - Original price $162.00
Original price $162.00
Current price $140.00
$140.00 - $140.00
Current price $140.00
Save $22.00 Save $0.00
Original price $121.00 - Original price $121.00
Original price
$121.00
$121.00 - $121.00
Current price $121.00

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 $121.00 - Original price $121.00
Original price
$121.00
$121.00 - $121.00
Current price $121.00
Original price $65.17 - Original price $105.07
Original price
$65.17 - $105.07
$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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$65.17 - $105.07
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Current price $65.17
Original price $70.00 - Original price $110.00
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$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
Current price $70.00
Original price $72.00 - Original price $107.00
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$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
Original price
$72.00 - $107.00
$72.00 - $107.00
Current price $72.00
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 $27.00 - Original price $27.00
Original price
$27.00
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Current price $27.00

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 $27.00 - Original price $27.00
Original price
$27.00
$27.00 - $27.00
Current price $27.00
Original price $27.00 - Original price $27.00
Original price
$27.00
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Current price $27.00

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 $27.00 - Original price $27.00
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$27.00
$27.00 - $27.00
Current price $27.00
Original price $22.00 - Original price $22.00
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$22.00
$22.00 - $22.00
Current price $22.00

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...

View full details
Original price $22.00 - Original price $22.00
Original price
$22.00
$22.00 - $22.00
Current price $22.00
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