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yet provide diffraction-limited performance
High quality optics start with each lens and(or) mirror being hand selected so only the finest grade of optical glass is used
This premium
Then the Celestron 100 Piece Prepared Specimen Slide Set could be right for you
The deep red illumination can be adjusted for brightness
100mm Ha Etalon Filter with B3400 for 2" Focuser - LS100FHa2/B3400 Sky Mentor yet provide diffraction-limited performanceAbout the Lunt 100mm Ha Etalon Filter w B3400 for 2" Focuser This product number is for the Lunt H alpha Single Pass Front Mount Etalon System for telescopes with 2" focuser and up to 3060mm focal length. Introducing the Lunt LS100 Hydrogen alpha System a 100mm aperture integrally tuned etalon for use on any customer supplied refractor. System includes the B3400 blocking filter which provides full disk images on telescopes up to 3060mm focal length.
US$ 12.00
US$ 396.48
US$ 42.99
US$ 116.91
