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Optolong Optolong L-eXtreme f/2 Dual-Band Filter
Optolong L-eXtreme F2 is a dual-band narrowband pass filter that meets the requirements for transmission at continuously varying angles
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Optolong L-eXtreme f/2 Dual-Band Filter
$339.00
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
$229.00
Optolong Optolong CLS Filter
The CLS (City Light Suppression) broadband filter is designed to improve the visibility of various deepsky objects.
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Optolong CLS Filter
$55.00
Optolong Optolong Venus U Filter
Venus-U filter makes it possible to obtain photographs, CCD or video images in the UV-A (320-400nm) and observe Venus’ cloud structures.
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Optolong Venus U Filter
$192.00
Optolong Optolong L-Pro Filter
Improve the visibility of various deepsky objects
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Optolong L-Pro Filter
$159.00
Optolong Moon & SkyGlow Filter - 2" Mounted - MSG-200 (Pre-owned)
Optolong Moon & SkyGlow Filter - 2" Mounted - MSG-200 (Pre-owned)
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Optolong Moon & SkyGlow Filter - 2" Mounted - MSG-200 (Pre-owned)
$40.00
Optolong Optolong SII 3nm CCD Filter
Optolong SII 3nm CCD Filter
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Optolong SII 3nm CCD Filter
$460.00
Optolong Optolong OIII 18nm Filter
Designed for nebula observation allowing 18nm bandwidth of light centered on a wavelength of 500nm through
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Optolong OIII 18nm Filter
$87.00
Optolong Optolong H-Alpha 3nm CCD Filter
Suitable for telescopes and lenses with focal ratios of f/3 and lower
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Optolong H-Alpha 3nm CCD Filter
$460.00
Optolong Optolong 3 Filter Set H-Alpha, SII, & OIII
SHO6.5nm filter kit includes SII6.5nm, H-Alpha7nm, and OIII6.5nm narrow-band filters
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Optolong 3 Filter Set H-Alpha, SII, & OIII
$509.00
Optolong Optolong H Alpha 7nm Filter
Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through
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Optolong H Alpha 7nm Filter
$229.00
Optolong Optolong SII 6.5nm Filter
Optolong SII 6.5nm Filter
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Optolong SII 6.5nm Filter
$249.00
Optolong Optolong UV-IR Cut Filter
Optolong UV/IR Cut filter is designed for ultraviolet and infrared wavelength blocking to improve sharpness of the image as most of the optics are designed for the visible spectrum
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Optolong UV-IR Cut Filter
$49.00
Optolong Optolong SHO-3nm Narrowband Filter Kit
Optolong SHO-3nm filter kit includes SII3nm, H-Alpha3nm, and OIII3nm narrow band filters
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Optolong SHO-3nm Narrowband Filter Kit
$1,319.00
Optolong Optolong L-eXtreme Dual Band 7nm HA/OIII Filter
L-eXtreme filter is dual band that passes Ha and OIII emission lines.
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Optolong L-eXtreme Dual Band 7nm HA/OIII Filter
$329.00
Optolong Optolong OIII 6.5nm Filter
Designed for Nebula Observation
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Optolong OIII 6.5nm Filter
$249.00
Optolong Optolong L-Ultimate Light Pollution Dual Band Filter
The Optolong L-Ultimate is Optolong's newest and NARROWEST dual-band filter
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Optolong L-Ultimate Light Pollution Dual Band Filter
$419.00
Optolong Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter
Optolong L-eNhance is a dual-band pass filter which has been designed for DSLR (digital SLR), color CMOS and monochrome CCD cameras
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Optolong L-eNhance Light Pollution Dual Band Pass Imaging Filter
$249.00
Optolong Optolong UHC Filter
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 Filter
$85.00
Optolong Optolong Variable Polarizing Filter
Adjust the brightness level of the Moon, Venus, and other bright objects with the Optolong Variable Polarizer.
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Optolong Variable Polarizing Filter
$43.00
Optolong Optolong IR Pass 685nm Filter
Blocks wavelengths below 670nm to enhance contrast and surface detail and reduce the effects of seeing when used in IR-LRGB imaging of the moon and planets
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Optolong IR Pass 685nm Filter
$129.00
Optolong Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII
Opotlong 7 Filter LRGB SHO Filter set
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Optolong 7 Filter Set LRGB, H-Alpha, SII, & OIII
$732.00
Optolong Optolong 5 Filter Set LRGB & H-Alpha
This Optolong LRGB/H-Alpha filter set combines everything you need for stunning planetary and deep-sky observations.
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Optolong 5 Filter Set LRGB & H-Alpha
$406.00
Optolong Optolong LRGB CCD Filterset
The LRGB filter set is designed for maximum contrast and with extremely high gradients for clear differentiation of colors
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Optolong LRGB CCD Filterset
$249.00