Sell 【Hot Style】 Svbony Telescope Filter 1.25 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitab best price
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ratings
MYR 234
Ships from | Kuala Lumpur |
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Product Description
Features:
1.Electron beam gun evaporation with Ion assisted deposition coating technology for durability and resistance to scratching;as well as stability on CWL (central wavelength) no deviation affected by temperature change
2.Planetary rotation system offers precision and homogeneity of coatings ensuring high value on transmission of pass-band and Optical density of off band
3.90% transmission of main nebula emission lines;such as Ha 656nm;OIII 496nm;500nm;SII672nm and H-beta 486nm
0.1% transmission of off-band;specifically the major emission lines of artificial light pollution;such as Na 589nm;Hg 435nm and 578nm
4.Suitable for color CCD cameras and unmodified DSLR Urban optical filter can effectively suppress urban harmful light and improve the contrast of Viewing target
Specifications:
Size:1.25''
Type:CLS filter
Thread:Standard M28.5*0.6
Product Dimensions: 2.73 x 0.78 x 2.73 inches
Item Weight: 1.41 ounces
Package includes:
1xSvbony 1.25" CLS filter
1xsturdy plastic case