Filters

Daystar ATM H-Alpha 0.7A Solar Filter (Pre-owned)

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Daystar ATM H-Alpha 0.7A Solar Filter (Pre-owned)

$3,000.00

Coronado 30mm Blocking Filter (Straight Through) 2" (pre-owned

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Coronado 30mm Blocking Filter (Straight Through) 2" (pre-owned

$1,200.00

Tele Vue 1.25 Bandmate Mars Type B Filter

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Tele Vue 1.25 Bandmate Mars Type B Filter

$175.00

Tele Vue 1.25 Bandmate Mars Type A Filter

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Tele Vue 1.25 Bandmate Mars Type A Filter

$175.00

Hutech CLIP IDAS Nebula Clip Filter LPS-V4 - for Canon EOS DSLR -

Especially designed for DSLR and single-shot CCD colour cameras

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Hutech CLIP IDAS Nebula Clip Filter LPS-V4 - for Canon EOS DSLR -

$159.99

Filter is in great condition.

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400mm Off-Axis ERF Filter (Pre-Owned)

$150.00

300mm Off-Axis ERF Filter (Pre-Owned)

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300mm Off-Axis ERF Filter (Pre-Owned)

$150.00

Astronomik L-1 UV-IR Blocking EOS XL Full Frame Clip Filter

Astronomik has recently expanded their Luminance filter line to provide you with all the tools needed to gather the best possible data

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Astronomik L-1 UV-IR Blocking EOS XL Full Frame Clip Filter

$139.95

Astrozap Flexi-Heat Dew Shield for 11” Schmidt-Cassegrain Telescopes

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Astrozap Flexi-Heat Dew Shield for 11” Schmidt-Cassegrain Telescopes

$128.90

Lumicon Lumicon 2" H-Alpha Nebula Filter (Pre-owned)

Lens filter held in excellent condition.

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Lumicon 2" H-Alpha Nebula Filter (Pre-owned)

$99.95

Arcturus Arcturus NBPF Narrowband Hydrogen-Alpha 12nm Filter 2"

Get Great Nebula Images Under City Lights or a Full Moon with the Arcturus Hydrogen-Alpha Narrowband Astrophotography Filter!

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Arcturus NBPF Narrowband Hydrogen-Alpha 12nm Filter 2"

$99.95

Arcturus Arcturus Hydrogen-Beta Filter 2"

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"

$99.95

Orion H-Beta 2" Eyepiece Filter (Pre-owned)

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Orion H-Beta 2" Eyepiece Filter (Pre-owned)

$69.99

Arcturus Arcturus NBPF Narrowband Hydrogen-Alpha 12nm Filter 1.25

Get Great Nebula Images Under City Lights or a Full Moon with the Arcturus Hydrogen-Alpha Narrowband Astrophotography Filter!

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Arcturus NBPF Narrowband Hydrogen-Alpha 12nm Filter 1.25

$59.95

Arcturus Arcturus Hydrogen-Beta Filter 1.25

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

$59.95

Arcturus Arcturus UHC Narrowband Nebula Filter 1.25

The Arcturus Narrowband Nebula Filter uses the very latest in optical filtering techniques to produce a fine light pollution filter.

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Arcturus UHC Narrowband Nebula Filter 1.25

$59.95

Baader Violet Multiband 1.25"

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Baader Violet Multiband 1.25"

$59.00

Meade Meade Sky Filter Dust Seal 1A #07288 (Pre-owned)

Glass is clean. Threads have some wear markings but it still threads just fine

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Meade Sky Filter Dust Seal 1A #07288 (Pre-owned)

$50.00

Broadband Light Pollution Filter 1.25"

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Broadband Light Pollution Filter 1.25"

$49.99

This item is new and has been kept in a hard case that is within a bag to keep out dust.

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Broadband Light Pollution Filter .965"

$45.00

Orion 1.25" Basic Set of Four Color Filters #05514 (Pre-owned)

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Orion 1.25" Basic Set of Four Color Filters #05514 (Pre-owned)

$39.99

Hoya 2" Moon Filter (NDx2 - 50% Transmission)

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Hoya 2" Moon Filter (NDx2 - 50% Transmission)

$29.95

Tiffen 2" MOON Filter ND0.9 Filter (12.5% Transmission)

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Tiffen 2" MOON Filter ND0.9 Filter (12.5% Transmission)

$29.95

Seymour Solar 9" X 12" Helios Solar Film Sheet

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Seymour Solar 9" X 12" Helios Solar Film Sheet

$19.95