Reduces the chance of obstruction between Schmidt-Cassegrain's internals and a viewing accessory. A standard female SCT is located on the front, which threads such as you will find upon many 5-10" Schmidt-Cassegrain telescopes, and located on the rear is a standard 2" inner diameter barrel.
ترست بايلوت
منذ أسبوعين
منذ أسبوع
