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Lumicon Comet-Swan Band Filter-2" $239.95

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Lumicon Comet-Swan Band Filter-2"

Lumicon Comet-Swan Band Filter-2" The Lumicon Comet Band narrow visible bandpass cometary filter (25nm) isolates just the 501nm OIII and the 514nm Cyanogen lines. The high-contrast gain of the filter reveals the delicate ionized tail of gaseous...

Lumicon Deep Sky Filter - 48mm (2") $239.95

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Lumicon Deep Sky Filter - 48mm (2")

The best all-purpose nebula filter on the market today, the Lumicon 2in Deep Sky Filter blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. Visually,...

Lumicon Deep Sky Filter - Visual Back SCT $239.95

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Lumicon Deep Sky Filter - Visual Back SCT

The best all-purpose nebula filter on the market today, the Lumicon Cassegrain Deep Sky Filter blocks all high & low-pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. The...

Lumicon H-Beta Filter - 48mm (2") $239.95

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Lumicon H-Beta Filter - 48mm (2")

Also known as the Horsehead Nebula filter, the Lumicon 2" Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. Now you can view extremely faint...

Lumicon H-Beta Filter - Visual Back SCT $239.95

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Lumicon H-Beta Filter - Visual Back SCT

Also known as the Horsehead Nebula filter, the Lumicon Cassegrain Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. The Cassegrain filter-cell threads...

Lumicon Oxygen III Filter - 48mm (2") $239.95

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Lumicon Oxygen III Filter - 48mm (2")

The legendary Lumicon 2" OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and faint nebulae. Thus, these faint objects become much more visible against the...

Lumicon Oxygen III Filter - Visual Back SCT $239.95

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Lumicon Oxygen III Filter - Visual Back SCT

The legendary Lumicon Cassegrain OIII narrow band-pass filter threads onto your telescope's SCT rear-cell, and presents male SCT threads for accessory attachment. The Cassegrain filter cell allows you to change eyepieces without...

Lumicon UHC Filter - 48mm (2") $239.95

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Lumicon UHC Filter - 48mm (2")

The ULTIMATE nebula filter. The original Lumicon 2" Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta...

Lumicon UHC Filter - Visual Back SCT $239.95

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Lumicon UHC Filter - Visual Back SCT

The original Lumicon Cassegrain Ultra High Contrast Filter is unbeatable for revealing nebulosity. This is achieved by passing three nebula emission lines-the two doubly ionized oxygen lines (496 and 501nm) and the H-beta line (486nm)-while blocking...

Lumicon Comet-Swan Band Filter-Cassegrain $189.00

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Lumicon Comet-Swan Band Filter-Cassegrain

Lumicon Comet-Swan Band Filter-Cassegrain The Lumicon Comet Band narrow visible bandpass cometary filter (25nm) isolates just the 501nm OIII and the 514nm Cyanogen lines. The high-contrast gain of the filter reveals the delicate ionized tail of...

Lumicon 4-Position Multiple Filter Selector 2" $186.95

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Lumicon 4-Position Multiple Filter Selector 2"

Lumicon 4-Position Multiple 2" Filter Selector Lumicon's 2" Multiple Filter Selector allows you to switch back and forth between 2" filters without having to thread and unthread them from your eyepieces or diagonal. Leaving one of the...

Lumicon 2" multiple Filter Selector w/ T-Threads For Photography $175.95

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Lumicon 2" multiple Filter Selector w/ T-Threads For Photography

Lumicon 2" multiple Filter Selector w/ T-Threads For Photography. 2" multiple Filter Selector with T-Threads For Photography. Telescope-side is a 2"-male nosepiece with safety-groove Camera-side is T-Thread Camera Adapter (male)....

Lumicon Hydrogen-Alpha Filter - 82mm $167.95

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Lumicon Hydrogen-Alpha Filter - 82mm

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 600nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution...

Lumicon Infrared Blocking Filter - 58mm $167.95

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Lumicon Infrared Blocking Filter - 58mm

Lumicon Infrared Blocking Filter - 58mm The Lumicon Infra-Red Blocking Filter completely blocks all Infra-Red light above ~750nm (7500 Angstroms). The versatile, anodized aluminum filter cell has 42mm male T-threads on one side and 48mm male threads...

Lumicon Hydrogen-Alpha Filter - 77mm $155.95

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Lumicon Hydrogen-Alpha Filter - 77mm

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 600nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution...

Lumicon Hydrogen-Alpha Filter - 72mm $143.95

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Lumicon Hydrogen-Alpha Filter - 72mm

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 600nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution...

Lumicon 5-Position Multiple Filter Selector 2" (48mm) $142.95

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Lumicon 5-Position Multiple Filter Selector 2" (48mm)

Lumicon 5-Position Multiple Filter Selector 2" Fits all major brands of 2" filters. The 2" Multiple Filter Selector allows you to switch back and forth between filters without having to thread and unthread them from your eyepieces or...

Lumicon Hydrogen-Alpha Filter - 58mm $131.95

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Lumicon Hydrogen-Alpha Filter - 58mm

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 600nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution...

Lumicon 5-Position Multiple Filter Selector 1.25" $129.95

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Lumicon 5-Position Multiple Filter Selector 1.25"

Lumicon 5-Position Multiple Filter Selector 1.25" Fits all major brands of 1.25" filters. The 1.25" Multiple Filter Selector allows you to switch back and forth between filters without having to thread and unthread them from your...

Lumicon Deep Sky Filter - 1.25" $119.95

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Lumicon Deep Sky Filter - 1.25"

The 1.25in Deep Sky is Lumicon's most popular nebula filter. It blocks all high & low pressure mercury and sodium vapor lamp light, neon lights and airglow, while transmitting the rest of the visible spectrum. Visually, the Deep Sky Filter...

Lumicon H-Beta Filter - 1.25" $119.95

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Lumicon H-Beta Filter - 1.25"

Also known as the Horsehead Nebula filter, the Lumicon 1.25in Hydrogen-Beta Filter isolates only the hydrogen-beta line of the spectrum (486nm) in a narrow pass-band just 9 nm wide, providing maximum contrast. Now you can view extremely faint...

Lumicon Hydrogen-Alpha Filter - 1.25" $119.95

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Lumicon Hydrogen-Alpha Filter - 1.25"

Lumicon's Night Sky Hydrogen-Alpha Filters are long-pass filters with a 50% transition from blocking to passing at about 640nm. At wavelengths longer than 600nm, transmittance is 90% or above. The filter is used as an extreme anti light-pollution...

Lumicon Infrared Blocking Filter - 2" $119.95

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Lumicon Infrared Blocking Filter - 2"

Lumicon Infrared Blocking Filter - 2" The Lumicon Infra-Red Blocking Filter completely blocks all Infra-Red light above ~750nm (7500 Angstroms). The versatile, anodized aluminum filter cell has 42mm male T-threads on one side and 48mm male...

Lumicon Minus Violet Filter - 72mm $119.95

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Lumicon Minus Violet Filter - 72mm

Lumicon Minus Violet Filter - 72mm The Lumicon Minus Violet Filter greatly improves photographs taken through lenses of any type. This filter is made from optically flat specially-made colored glass, and has anti-reflection coatings on both...

Lumicon Oxygen III Filter - 1.25" $119.95

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Lumicon Oxygen III Filter - 1.25"

The legendary Lumicon 1.25in OIII narrow band-pass filter isolates just the two doubly ionized oxygen lines (496 and 501nm lines) emitted by diffuse, planetary and extremely faint nebulae. Thus, these faint objects become much more visible against...


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