Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob NexStar Plus includes many setup

NexStar Plus includes many setup conveniences like customizable max slew speed

eyeguards work particularly well in this application

This means a 300s exposure will only cause a dark current noise of 0

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

The eye-guard can also rotate for Dioptrx users

Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob NexStar Plus includes many setupThis 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