Aš Spalvos spalva Avansas lacerta 2 herschel prism Bendrauti Arba vėliau jautiena
LACERTA Herschel Prism - Test (2) - SolarChat!
LACERTA Herschel prism (2") with Brewster angle, incl. heat shield. (M48 thread to telescope, M54 thread to eyepiece, without any other accessoires. Free optical window is 48mm). - Budapest Telescope Centre