Baader Filters C-ERF energy guard filter 180mm, IR CUT, dielectrically coats (10923)
5575.9 zł
Tax included
These discs are precision-optically polished to lambda/10 on both surfaces. They feature an advanced infrared antireflection coating (dielectric interference coating system with multiple individual layers) that blocks infrared (IR) heat radiation, preventing heat from penetrating the telescope's OTA, even during extended observation sessions.