Astromania 2" O-III Filter - Bundle with - 2" 90-Degree Mirror Diagonal with 93% reflectivity
4.1 (58 items)
Limited Time SaleUS$80.53 cheaper than the new price!!
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Product details
| Management number | 208573951 | Release Date | 2026/03/22 | List Price | US$53.68 | Model Number | 208573951 | ||
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- The 2 inch diagonal features dielectric coatings with 93 percent reflectivity across the visible spectrum and a 1/10 wave mirror for bright and true images;
- It fits all rear cells of Schmidt-Cassegrain telescopes equipped with a big 2 inch focuser and can use with refractor telescopes with not included SCT adapter which you can find in our store;
- Improved attachment design features a brass clamping ring which does not mar and provides a more secure connection;
- Especially useful for large aperture telescopes through which the light of the Moon can be extremely overwhelming; allowing just for the Double Ionized Oxygen lines between 496nm to 501nm to pass through at 95 percent
- Not only useful at light-polluted sites; the contrast is also increased at dark sky sites; can be used with all 2inch eyepieces; filter made from high-grade glass with dichroic interference and antireflection coatings
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