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Alstar 2" Telescope Moon Filter Kit - Bundle with - 2" Narrowband O-III Filter
4.0 (128 items)
Limited Time SaleUntil the end
04
19
29
US$73.79 cheaper than the new price!!
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Used US$49.20
Product details
| Management number | 208573798 | Release Date | 2026/03/22 | List Price | US$49.20 | Model Number | 208573798 | ||
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- Neutral density filters are excellent filters to reduce the overall brightness of an image to cut down glare while viewing bright astronomical objects through a telescope
- These three ND moon filters are useful for splitting binary systems; comfortably observing the moon; or stacking with other planetary filters
- ND filters retain true color balance of the objects being observed since all wavelengths are transmitted uniformly over the entire spectrum
- Each Alstar 2 inch O III Filter is individually inspected and proudly inscribed with the percentage of light transmittance of the two O III emission lines
- Not only useful at light polluted sites; the contrast is also increased at dark sky sites; can be used with all 2 inch eyepieces; Filter made from high grade glass with dichroic interference and antireflection coatings
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