Sell 【New】Svbony Telescope Filter 1.25 inches CLS Filter City Light Pollution Reduction Filter Broadband Filter Suitable for best price
0
ratings
SGD 101.3
48% OFF
SGD 53.08
| Ships from | Overseas |
|---|
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:\t2.73 x 0.78 x 2.73 inches
Item Weight:\t1.41 ounces
Package includes:
1xSvbony 1.25\ CLS filter
1xsturdy plastic case