Filters
Optolong
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In Stock
Optolong 1.25" H-Alpha 7nm Filter
optolong$175.00Optolong H-Alpha 7nm filter is the popular narrowband filter allowing 7nm bandwidth of light centered on a wavelength of 656nm through, and reducin...
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Optolong 2" LRGB Filter Set
Optolong$359.00Technical Data Schott substrate material Thickness 2.0mm Surface Quality: 60/40 (Refer to MIL-O-13830) Fine-optically polished to ensure accurate ...
View full details$359.00 -
Optolong H-Alpha 7nm Filter - 2" Mounted
Optolong$259.00Sizes 2" Mounted Specifications CWL(centre wavelength): 656.3nm Fwhm: 7nm Tpeak: <85% Coating Wavelength: 300-1100nm Optical Denisity: OD3 Su...
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In Stock
Optolong L-eNhance Light Pollution Filter 2" Mounted
Optolong$229.00Here's a cool comparison with a HyperStar C9.25 using no filter, a L-Pro Light Pollution Filter, and the new L-eNhance Filter from Optolong. The L...
View full details$229.00In Stock -
In Stock
Optolong L-eXtreme - 2" Mounted
Optolong$309.00L-eXtreme is a two 7nm bandpass filter which can be used with one-shot color cameras like DSLR's (digital SLR), and monochrome CCD cameras, it is a...
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In Stock
Optolong L-Pro Clip Filter for Nikon Full Frame
Optolong$249.00Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) ...
View full details$249.00In Stock -
In Stock
Optolong L-Pro Filter - 1.25" Mounted
Optolong$149.00Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) a...
View full details$149.00In Stock -
In Stock
Optolong L-Pro Filter - 2" Mounted
Optolong$199.00Together with the highly transparent in main nebula emission lines at OIII(496nm and 500nm), H-beta (486nm), NII(654nm and 658nm), H-alpha(656nm) a...
View full details$199.00In Stock -
In Stock
Optolong L-Pro Filter - Canon EOS R Clip
Optolong$249.001. L-Pro 1.1 Introduction In suburban areas with weak light pollution, the color balance is good. The design of multi-band pass ensures excellent ...
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Optolong LRGB Filter Set - 1.25" Mounted
Optolong$259.00OIII emission overlaps on blue and green filters with maximum transmission to allow high efficiency and natural color imaging. Gap between green an...
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Optolong OIII 6.5nm Filter - 2" Mounted
Optolong$255.00OIII emits 495.9nm and 500.7nm and it is a blue-green colored filter. Many of images of planetary nebula and supernova remnants are taken only with...
View full details$255.00 -
Optolong SII 6.5nm Filter - 2" Mounted
Optolong$250.00Main Use and Performance Use with H-alpha and OIII-CCD extra narrowband filters (SHO Set) for tricolor CCD astrophotography Narrowband imaging wi...
View full details$250.00 -
In Stock
Optolong UHC Filter Nikon NK-FF Full Frame Clip Filter
Optolong$259.00The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. The UHC (Ultra High Contrast) bro...
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Optolong UV / IR Cut Filter - 1.25"
Optolong$44.00It is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important...
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In Stock
Optolong UV / IR Cut Filter - 2"
Optolong$65.00It is used on a digital camera and the video, which do not have an IR protection filter toward an image sensor or were remodeled. This is important...
View full details$65.00In Stock