TeleVue Nagler 4.8mm Eyepiece (Pre-owned) Lunt Solar Telescopes simply assemble the adjustment collar

simply assemble the adjustment collar and the imager will replace any standard 23mm or 30mm eyepiece and plug directly in to your Mac (2MP max) or Windows (full 5MP) PC via standard USB

As we all know

a highly precise optical device that isolates the Hα wavelength from the rest of the Sun’s emitted light

7 oz Country of Manufacture China Misc

TeleVue Nagler 4.8mm Eyepiece (Pre-owned) Lunt Solar Telescopes simply assemble the adjustment collarIn excellent condition Specifications for Televue Nagler 4. 8 mm eyepieces ENA 4 8: Focal Length: 4. 8mm Apparent Field of View: 82 # of Elem.: 7 Barrel Dia.: 1 1 4" Eye relief: 7 Weight: 0. 33 lb 5. 3 oz Field Stop diameter: 6. 6mm Works in Bino Vue: Y