Description
About Celestron XLT Optical Tube
StarBright XLT high transmission optical system design:
There are three major components that make up the Star Bright XLT high transmission optical system design:
1. Unique enhanced multi-layer mirror coatings
2. Multi-layer anti- reflective coatings
3. High Transmission Water White glass.
These three components of the StarBright XLT coatings result in one of the finest coatings available.