TeleVue Nagler 4.8mm Eyepiece (Pre-owned) Lunt Solar Telescopes a highly precise optical device

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

This zero amp glow feature is implemented at the hardware level and does not require software control

000 objects including 220 of the best deep sky and solar system objects

The FRA300 Pro has a patented multi-functional attachment system

TeleVue Nagler 4.8mm Eyepiece (Pre-owned) Lunt Solar Telescopes a highly precise optical deviceIn 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