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Alstar 2" ED 2X Telescope Barlow Lens - Bundle with - 2" Narrowband O-III Filter
4.4 (75 items)
Limited Time SaleUntil the end
20
02
18
US$73.79 cheaper than the new price!!
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Used US$49.20
Product details
| Management number | 208574438 | Release Date | 2026/03/22 | List Price | US$49.20 | Model Number | 208574438 | ||
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- Two element; fully multicoated lenses with excellent color correction; sharpness; and image brightness
- The barlow lens that is versatile; you can unscrew the lens and screw it into your 2 inch eyepiece
- 2 inch 2x achromatic Barlow increases the magnification of each eyepiece and effectively doubles or triples the number of eyepieces at your disposal
- 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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Barlow Lenses
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