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Optolong Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
Introducing the Clear Sky Filter: Optolong's brand-new light pollution filter.
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Optolong Clear Sky Filter - 82mm Round Mounted - CS-82
$205.00
$164.00
Optolong Optolong 2" L-Quad Enhance Filter - L-QEF-2
No need to travel to a dark sky site when you have the Optolong L-Quad Enhance Filter among your astrophotography gear.
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Optolong 2" L-Quad Enhance Filter - L-QEF-2
$199.00
Optolong Optolong L-Pro Filter 2" Mounted
The L-Pro filter from Optolong is a multi-bandpass filter that works well for visual use as well as photographic use with CCD cameras and DSLR’s.
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Optolong L-Pro Filter 2" Mounted
$199.00
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Optolong Optolong H Alpha 7nm 36mm unmounted #11307
The Optolong H-Alpha 7nm is an extremely narrow emission-line filter that works by allowing a 7nm bandwidth of light, centered on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths.
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Optolong H Alpha 7nm 36mm unmounted #11307
$189.00
$151.20
Optolong Optolong UHC 77mm Mounted Filter for DSLRS and Mirrorless Cameras
This UHC, or Ultra High Contrast, filter from Optolong provides a bit more contrast than the CLS filter, but works in much the same way.
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Optolong UHC 77mm Mounted Filter for DSLRS and Mirrorless Cameras
$189.00
Optolong Optolong H Alpha 7nm 36mm Unmounted #11304
Optolong Optolong H Alpha 7nm 36mm Unmounted #11304
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Optolong H Alpha 7nm 36mm Unmounted #11304
$189.00
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Optolong Optolong OIII 6.5nm 36mm Unmounted #11504
Optolong Optolong OIII 6.5nm 36mm Unmounted #11504
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Optolong OIII 6.5nm 36mm Unmounted #11504
$189.00
$151.20
Optolong Optolong Venus U Filter 1.25" Mounted
Image the sulphuric acid clouds of Venus or do UV landscape photography with the Optolong 1.25” Venus U Filter.
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Optolong Venus U Filter 1.25" Mounted
$189.00
Optolong Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter - 1.25" Mounted
It is a dual-narrowband pass filter which has been designed for DSLR (digital SLR), color CMOS and CCD cameras.
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Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter - 1.25" Mounted
$179.00
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Optolong Optolong H Alpha 7nm 31mm unmounted #11306
The Optolong H-Alpha 7nm is an extremely narrow emission-line filter that works by allowing a 7nm bandwidth of light, centered on the 656nm wavelength through, and blocking the transmission of contrast-killing light pollution wavelengths.
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Optolong H Alpha 7nm 31mm unmounted #11306
$169.00
$135.20
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Optolong Optolong OIII 6.5nm 31mm Unmounted #11503
Optolong Optolong OIII 6.5nm 31mm Unmounted #11503
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Optolong OIII 6.5nm 31mm Unmounted #11503
$169.00
$135.20
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Optolong Optolong SII 6.5nm 31mm Unmounted #11403
Optolong Optolong SII 6.5nm 31mm Unmounted #11403
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Optolong SII 6.5nm 31mm Unmounted #11403
$169.00
$135.20
Optolong Optolong H Alpha 7nm 31mm Unmounted #11303
Optolong Optolong H Alpha 7nm 31mm Unmounted #11303
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Optolong H Alpha 7nm 31mm Unmounted #11303
$169.00
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Optolong Optolong L-Pro 36mm Unmounted Filter
The Optolong L-Pro filter is a multi-bandpass filter that works well for visual use as well as photographic use with CCD cameras and DSLR’s.
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Optolong L-Pro 36mm Unmounted Filter
$168.00
$134.40
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Optolong Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
The Clear Sky Filter is Optolong's newest light pollution filter.
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Optolong Clear Sky Filter - 77mm Round Mounted - CS-77
$165.00
$132.00
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Optolong OIII 6.5nm Filter 1.25" Mounted
Optolong Optolong OIII 6.5nm Filter 1.25" Mounted
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Optolong OIII 6.5nm Filter 1.25" Mounted
$159.00
$127.20
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Optolong SII 6.5nm Filter 1.25' Mounted
Optolong Optolong SII 6.5nm Filter 1.25' Mounted
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Optolong SII 6.5nm Filter 1.25' Mounted
$159.00
$127.20
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Optolong CLS-CCD Filter 2" Mounted
Optolong Optolong CLS-CCD Filter 2" Mounted
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Optolong CLS-CCD Filter 2" Mounted
$159.00
$127.20
Optolong Optolong OIII 6.5nm Filters
Optolong 6.5nm oxygen-III narrowband filter is for astrophotographers who want to obtain the maximum contrast of nebulae while cutting out background emission and suppressing star lights
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Optolong OIII 6.5nm Filters
$159.00
Optolong Optolong SII 6.5nm Filters
Optolong 6.5nm sulphur-II narrowband filter is for astrophotographers who want to obtain the maximum contrast of nebulae while cutting out background emission and suppressing star lights.
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Optolong SII 6.5nm Filters
$159.00
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Optolong Optolong H Alpha 7nm Filter 1.25 Mounted
Optolong 7nm hydrogen-alpha narrowband filter is for astrophotographers who want to obtain the maximum contrast of nebulae while cutting out background emission and suppressing star lights.
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Optolong H Alpha 7nm Filter 1.25 Mounted
$159.00
$127.20
Optolong Optolong L-Pro Filter 1.25" Mounted
The L-Pro filter from Optolong is a multi-bandpass filter that works well for visual use as well as photographic use with CCD cameras and DSLR’s.
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Optolong L-Pro Filter 1.25" Mounted
$149.00
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Optolong Optolong 2" Mounted H-Beta 25nm Filter
This Optolong H-Beta filter has a FWHM of 25nm, making it more suitable for visual observations of the Horsehead, California, and Cocoon nebulae.
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Optolong 2" Mounted H-Beta 25nm Filter
$139.00
$111.20
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Optolong Optolong Night Sky 2" Mounted H-Alpha Filter (IR Pass 630nm)
The Optolong Night Sky H-Alpha filter, or IR-Pass 650nm filter, can be used for imaging of the Moon and planets as well as deep-sky h-alpha regions.
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Optolong Night Sky 2" Mounted H-Alpha Filter (IR Pass 630nm)
$119.00
$95.20