Telescope Accessories

Telescope Accessories

Telescope Accessories: Planetary & Deep Sky Filters ×
Celestron 14pc 1.25" Eyepiece and Filter Kit
Celestron

Celestron 14pc 1.25" Eyepiece and Filter Kit

$250.00
This 14 piece kit provides five 1.25" Plossl eyepieces (4-element design), a 2x Barlow, and 7 color planetary filters, all in an attractive Aluminum carry case.Specifications Included eyepieces: 6mm, 8mm, 13mm, 17mm and 32mm focal lengths, all with 52° apparent field Included filters: #25 Red, #21 Orange, #12 Yellow, #56...
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Antares Variable Polarizing Filter (1.25")
Antares

Antares Variable Polarizing Filter (1.25")

$40.00
View the Moon or Venus with less glare. Screw this onto the bottom of your eyepiece or star diagonal and enjoy more contrast.Two polarizing filters are mounted on a swivel, allowing the user to vary the filter's transmission from 3% to 40%.The filter can also be unscrewed at the swivel....
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Antares 4 Piece Filter Kit (1.25")
Antares

Antares 4 Piece Filter Kit (1.25")

$65.00
Improve contrast and reduce glare on the Planets and the Moon with the 4 piece planetary filter kit from Antares.Specifications 25% transmission neutral density filter - ideal for the Moon and Venus #11 Yellow-Green filter #21 Orange filter #80a Light Blue filter 1.25" filters can be stacked Made in China...
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Celestron UHC Nebula Filter (1.25")
Celestron

Celestron UHC Nebula Filter (1.25")

$120.00
Enhances contrast of emission Nebulae by rejecting light pollution from unwanted regions of the visible spectrum. Nebulae will be easier to see, as the sky is darkened.Advanced dielectric multi-layer coatings are plasma-assisted and ion-beam hardened using the latest technology for durability and scratch resistance. This UHC filter achieves over 97%...
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Celestron Oxygen-III (OIII) Visual Nebula Filter (1.25")
Celestron

Celestron Oxygen-III (OIII) Visual Nebula Filter (1.25")

$130.00
Enhances contrast of emission and planetary Nebulae by rejecting light pollution from unwanted regions of the visible spectrum. Nebulae will be easier to see, as the sky is darkened.Advanced dielectric multi-layer coatings are plasma-assisted and ion-beam hardened using the latest technology for durability and scratch resistance. This OIII filter achieves...
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Orion UltraBlock Narrowband Light Pollution Filter (1.25")
Orion

Orion UltraBlock Narrowband Light Pollution Filter (1.25")

$109.99
The Orion UltraBlock Narrowband Telescope Filter is the filter for deep-sky observers located at highly light-polluted sites. Blocks all forms of light pollution — mercury vapor and sodium emission bands — while passing the critical hydrogen-beta and ionized oxygen wavelengths. With an UltraBlock telescope filter, emission and planetary nebulas "surface"...
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IDAS Light Pollution Suppression (LPS) Filter - D2 (2")
IDAS

IDAS Light Pollution Suppression (LPS) Filter - D2 (2")

$260.00
As more and more "easier to filter" sodium vapour street lights are replaced with white LED street lights, light pollution has gotten all the more tricky to deal with. The IDAS LPS-D2 filter is the IDAS answer to this new threat. It targets heavily the strong blue component present in...
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Astronomik UHC (Ultra High Contrast) Filter (1.25")
Astronomik

Astronomik UHC (Ultra High Contrast) Filter (1.25")

$130.00
You will enjoy using your Astronomik UHC filter because you will see more stars and more details in deep-sky objects compared to using filters from all other manufacturers.The Astronomik UHC (Ultra High Contrast) filter allows the transmission of nearly 100% of the radiation from both O-III and the H beta...
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Antares 7 Piece Filter Kit (2")
Antares

Antares 7 Piece Filter Kit (2")

$115.00
Improve contrast and reduce glare on the Planets and the Moon with the 7 piece planetary filter kit from Antares.Each filter comes in its own protective jewel case.Specifications #11 Yellow-Green filter #12 Yellow filter #15 Amber filter #21 Orange filter #23a Light Red filter #56 Green filter #80a Light Blue...
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Celestron Oxygen-III (OIII) Visual Nebula Filter (2")
Celestron

Celestron Oxygen-III (OIII) Visual Nebula Filter (2")

$180.00
Enhances contrast of emission and planetary Nebulae by rejecting light pollution from unwanted regions of the visible spectrum. Nebulae will be easier to see, as the sky is darkened.Advanced dielectric multi-layer coatings are plasma-assisted and ion-beam hardened using the latest technology for durability and scratch resistance. This OIII filter achieves...
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IDAS Light Pollution Suppression (LPS) Filter - P2 (2")
IDAS

IDAS Light Pollution Suppression (LPS) Filter - P2 (2")

$260.00
The IDAS LPS-P2 filter is a light pollution filter designed to provide a natural colour balance while still eliminating as much sodium and mercury vapour based light pollution as possible. It is ideal for DSLRs. These filters incorporate IDAS MBT, UFP, and IGAD technologies to insure undegraded and extremely durable...
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Baader LRGBC CCD Filter Set (2")
Baader Planetarium

Baader LRGBC CCD Filter Set (2")

$920.00
The Baader premium-grade 2" LRGBC filter set is perfect for full-frame monochrome CCD cameras. It works well in fast optical systems from f/10 to f/2.8.With a monochrome (black and white) camera, it is necessary to image through multiple filters to get a colour image. This is how the best astroimages...
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Baader UHC Nebula Visual & CCD Filter (1.25")
Baader Planetarium

Baader UHC Nebula Visual & CCD Filter (1.25")

$120.00
Enhances contrast of emission Nebulae by rejecting light pollution from unwanted regions of the visible spectrum. Nebulae will be easier to see, as the sky is darkened.The glass substrate is finely optically polished plane parallel, providing 1/4 wavefront over entire surface.Multi-layer dielectric coatings are plasma-assisted and ion beam-hardened using the...
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Astronomik UHC (Ultra High Contrast) Filter (2")
Astronomik

Astronomik UHC (Ultra High Contrast) Filter (2")

$265.00
You will enjoy using your Astronomik UHC filter because you will see more stars and more details in deep-sky objects compared to using filters from all other manufacturers.The Astronomik UHC (Ultra High Contrast) filter allows the transmission of nearly 100% of the radiation from both O-III and the H beta...
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Baader LRGB CCD Filter Set (1.25")
Baader Planetarium

Baader LRGB CCD Filter Set (1.25")

$510.00
The Baader premium-grade 1.25" LRGB filter set is perfect for smaller-sensor monochrome CCD cameras. It works well in fast optical systems from f/10 to f/2.8.With a monochrome (black and white) camera, it is necessary to image through multiple filters to get a colour image. This is how the best astroimages...
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Baader UV/IR-Cut/L Filter (2")
Baader Planetarium

Baader UV/IR-Cut/L Filter (2")

$180.00
The Baader premium-grade 2" UV/IR-Cut/L filter is perfect for full-frame CCD cameras. It works well in fast optical systems from f/10 to f/2.8.These filters block the Ultraviolet (UV), Infrared (IR) wavelengths. They will not produce halos or reflections. They are highly suitable for producing luminance shots using a black and...
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Astronomik Oxygen-III (OIII) Visual Filter (2")
Astronomik

Astronomik Oxygen-III (OIII) Visual Filter (2")

$265.00
From the start, the Astronomik OIII filter has been very specifically designed for the visual observation of gaseous and planetary nebulae. The extremely narrow pass band of the two OIII lines brings a substantial contrast gain to these lines even under the best observation conditions. On faint super nova remnants...
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Astronomik Oxygen-III (OIII) Visual Filter (1.25")
Astronomik

Astronomik Oxygen-III (OIII) Visual Filter (1.25")

$130.00
From the start, the Astronomik OIII filter has been very specifically designed for the visual observation of gaseous and planetary nebulae. The extremely narrow pass band of the two OIII lines brings a substantial contrast gain to these lines even under the best observation conditions. On faint super nova remnants...
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IDAS Light Pollution Suppression (LPS) Filter - D1 (77mm)
IDAS

IDAS Light Pollution Suppression (LPS) Filter - D1 (77mm)

$440.00
The IDAS LPS-D1 filter is a tweaked version of the LPS-P2 designed to provide a natural colour balance while still eliminating as much sodium and mercury vapour based light pollution as possible for DSLRs and one-shot colour deep space CMOS and CCD imagers. These filters incorporate IDAS MBT, UFP, and...
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Baader LRGB CCD Filter Set (2")
Baader Planetarium

Baader LRGB CCD Filter Set (2")

$840.00
The Baader premium-grade 2" LRGB filter set is perfect for full-frame monochrome CCD cameras. It works well in fast optical systems from f/10 to f/2.8.With a monochrome (black and white) camera, it is necessary to image through multiple filters to get a colour image. This is how the best astroimages...
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IDAS HEUIB-II Filter for Canon APS-C frame camera
IDAS

IDAS HEUIB-II Filter for Canon APS-C frame camera

$269.99
The IDAS HEUIB-II (H-alpha Enhanced UV IR Blocking) filter is designed for enhanced spectrum DSLR's and one-shot color CCD astronomical cameras.Besides removing the IR and UV ends of the spectrum which are often out of focus in refractive optics, it isolates the common H-alpha line relative to the surrounding extreme...
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Celestron UHC Nebula Filter (2")
Celestron

Celestron UHC Nebula Filter (2")

$160.00
Enhances contrast of emission Nebulae by rejecting light pollution from unwanted regions of the visible spectrum. Nebulae will be easier to see, as the sky is darkened.Advanced dielectric multi-layer coatings are plasma-assisted and ion-beam hardened using the latest technology for durability and scratch resistance. This UHC filter achieves over 97%...
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IDAS Light Pollution Suppression (LPS) Filter - D1 (82mm)
IDAS

IDAS Light Pollution Suppression (LPS) Filter - D1 (82mm)

$470.00
The IDAS LPS-D1 filter is a tweaked version of the LPS-P2 designed to provide a natural colour balance while still eliminating as much sodium and mercury vapour based light pollution as possible for DSLRs and one-shot colour deep space CMOS and CCD imagers. These filters incorporate IDAS MBT, UFP, and...
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IDAS Light Pollution Suppression (LPS) Filter - D1 (72mm)
IDAS

IDAS Light Pollution Suppression (LPS) Filter - D1 (72mm)

$420.00
The IDAS LPS-D1 filter is a tweaked version of the LPS-P2 designed to provide a natural colour balance while still eliminating as much sodium and mercury vapour based light pollution as possible for DSLRs and one-shot colour deep space CMOS and CCD imagers. These filters incorporate IDAS MBT, UFP, and...
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