Celestron Smart Dew Heater and Power Controller 4xWork smarter, not harder, when it comes to combating dew. The Smart DewHeater and Power Controller 4X prolongs your battery life by optimizing power usage for up to four dew heaters. The controller gathers and analyzes information in real time to warm your optics just enough to prevent dew. The Smart DewHeater and Controller comes with four ports to control four dew heaters at once. You can use one port to heat your optical tube while the others warm

Despite its small dimensions

Equatorial Wedge

while blocking unwanted skyglow and many street light emissions

Baader 6 Colour Filterset 1

see item below

Key design goals included a lower profile EQ head

especially

Lowest Useful Magnification: 15 x

The Bridge – On top of the controller

The FWHm of 12nm is optimized for typical DSLR cameras with CMOS sensors and CCD cameras with a normal/high dark current: With these cameras the background signal in images taken from heavily light polluted sites is dominated by the dark current of the sensor

ISBN: 97813166618417

Navigate the sky with a pan handle Alt-Az control with clutch for smooth and accurate pointing