ZWO Filters

ZWO ZWO 2 Inch Narrowband Filter Set - OIII, Ha, SII

$699.00

ZWO ZWO 36mm Narrowband Filter Set - OIII, Ha, SII

These ZWO 36mm filters are unmounted. ZWO narrowband filters are fine-optically polished to reach an accuracy of 1/4 wave.

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ZWO 36mm Narrowband Filter Set - OIII, Ha, SII

$479.00

ZWO ZWO 1.25" Narrowband Filter Set - OIII, Ha, SII

These ZWO 1.25" filters are mounted in a metal cell and come in a plastic storage box.

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ZWO 1.25" Narrowband Filter Set - OIII, Ha, SII

$369.00

AstroHutech NBZ 48 mm Filter - Mounted - NBZ-48

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AstroHutech NBZ 48 mm Filter - Mounted - NBZ-48

$299.95

ZWO's 2" LRGB set comes complete with 2" Luminance (UV-IR Cut), Red, Green, and Blue filters. ZWO's filter design boasts excellent 92% transmission at passband, great optical coatings, and good color separation.

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ZWO LRGB 2 Inch Premium Filter Set

$299.00

Narrowband filter does not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.

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ZWO New Narrowband 2" Filters

$249.00

Narrowband filters are great if you are looking to reduce transmissions of certain types of light like mercury vapor,

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ZWO H Alpha 7nm 2" Filter - HA7nmD2

$249.00

Narrowband filters are great for astroimagers looking to increase the contrast between the celestial object and the night sky.

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ZWO SII 7nm 2" Filter - SII7nmD2

$249.00

ZWO H-Alpha 7nm CCD Filter - 2 Inch

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ZWO H-Alpha 7nm CCD Filter - 2 Inch

$249.00

The ZWO LRGB 36mm filter has better transmission, better coating, better color separation

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ZWO LRGB 36mm Premium Filter Set

$199.00

ZWO ZWO 36mm Narrowband Filters - OIII, Ha, SII

Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula

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ZWO 36mm Narrowband Filters - OIII, Ha, SII

$169.00

ZWO SII 7nm Filter - 31mm (LIMITED QUANTITIES)

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ZWO SII 7nm Filter - 31mm (LIMITED QUANTITIES)

$149.00

ZWO Duo-Band filters are dual narrowband filters that pass light at both H-Alpha (656 nm) and OIII (500 nm) wavelengths.

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ZWO 2" Duo-Band Filter - DB2

$149.00

ZWO ZWO New LRGB Premium Filters Optimized for the ASI1600

The new ZWO LRGB Filters are designed to approximately equalize the flux of ASI1600 mono sensor

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ZWO New LRGB Premium Filters Optimized for the ASI1600

$148.00

ZWO ZWO 1.25" Narrowband Filters - OIII, Ha orSII (Specify Type)

Narrowband filter do not eliminate the effects of light pollution or increase the object’s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.

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ZWO 1.25" Narrowband Filters - OIII, Ha orSII (Specify Type)

$129.00

ZWO OIII 7nm Filter - 1.25

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ZWO OIII 7nm Filter - 1.25

$129.00

The ZWO SII 7nm Filter (1.25-inch) isolates the sulfur-II (SII) emission line at 672.4 nm, making it ideal for capturing detailed images of emission nebulae and other deep-sky objects that emit strongly in this wavelength.

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ZWO SII 7nm Filter - 1.25

$129.00

ZWO Duo-Band Filter is a dual narrowband filter primarily aimed at complementing our range of colour ASI cameras

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ZWO Duo-Band Filter (Specify Size)

$79.00

ZWO Duo-Band filters are dual narrowband filters that pass light at both H-Alpha (656 nm) and OIII (500 nm) wavelengths.

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ZWO 1.25" Duo-Band Filter - DB1.25

$79.00

ZWO 2″ IR-cut filter is suitable for color camera with AR protect window.

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ZWO UV IR CUT filter 2"

$49.00

Used for ASI1600 series, ASI294 series, ASI183 series.

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ZWO D32 AR Protection Window

$28.00

IR 850nm Pass Filter is suitable for IR sensitive cameras.

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ZWO 850nm IR Pass Filter - 1.25

$22.00