Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob eyeguards work particularly well in

eyeguards work particularly well in this application

There are four half-threaded holes tapped close to the edge of width

Our popular NexStar SE and NexStar Evolution telescopes are great for astrophotography

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

2-minute procedure)

Lunt 50mm (Old Etalon) H-Alpha Double Stack Filter (LS50FHa) 5" Dob eyeguards work particularly well inThis 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