[106F600 single layer]

Astronomical Telescope Purpose Lens 106F600 106F900 Double Isolated Multilayer Blue Film Single Layer Green Film
This purpose lens is produced by professional optics company, specially designed to support foreign trade astronomy telescopes.
4.2 inches (106 mm) (actual outer diameter, effective diameter is 4.0 inches (102 mm)
1. 106F600 (Double Isolated Single Layer Blue Film): Double Isolated Single Layer Blue Film is Coated Whole Surface.
2. 106F600 (Double Layer Multi-Layer Broadband Green Film): Double isolated full surface is coated with multi-layer broadband green film.
3. 106F900 (Double Layer Multi-Layer Broadband Green Film): Double isolated full surface is coated with multi-layer broadband green film.
4. 106F900 (Double Separated Single Layer Blue Film): Double isolated full surface is plated with a single layer of blue film.