Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob 2-minute procedure)

2-minute procedure)

which guarantees a flat field across the entire imaging plane

48") (41% of aperture diameter) Light Gathering Power (Compared to human eye): 1588x Resolution (Rayleigh): 0

NexStar Plus includes many setup conveniences like customizable max slew speed

Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob 2-minute procedure)This uses the old etalon design and will sell until out of stock. New options available on the site. The Lunt LS50FHa Solar Filter is a 50 mm aperture (no central obstruction) integrally tuned etalon for use on Lunt ED Refractors. Lunt Solar will be introducing a larger selection of ED Telescopes that will meet your Solar needs for Daytime observing and meet the additional requirements of Nighttime observing. In this way you can use one scope for day