Filtered objective filter for observing the sun. It offers more natural colors and better contrast than solar foils, and is much more durable. The filter lets only a small fraction of the incident beam, ensuring safe observation. It is impervious to infrared (IR) and ultraviolet (UV).
The filter holder is made of aluminum.
• Size: 5.81 inches
• range of matching tubes (outer diameter): 141 mm - 147.5 mm
• fits, among others, Orion XT4.5 Classic, StarSeeker IV 114mm GoTo Reflector, AstroView 120ST Equatorial Refractor 120mm f / 5.0 Refractor Telescope OTA Orion 127mm Maksutov-Cassegrain, Sky-Watcher Mak 127 OTA / OTAW / EQ3-2, Sky- Watcher SK 120/600 (OTA / AZ-3, EQ3-2), Levenhuk Mak 127
• outer diameter: 155 mm
• weight: 220 g
(note: the picture above has a smaller size, i.e. 4.1 ")