Nebula Filter CLS 2.0-inch Brand_Alpen the CMOS color cameras can

the CMOS color cameras can also deliver an image quality that comes close to that of CCD monochrome cameras

it delivers razor-sharp

Ideal for outdoor enthusiasts

For telescope tracking mounts there are generally two different specs: instrument payload capacity for astrophotography

Nebula Filter CLS 2.0-inch Brand_Alpen the CMOS color cameras canExplore Scientific Nebula Filter 1. 25" CLS Range from 436nm to 536nm with peak at 488nm. Transmission 98. 3% This is a general purpose light pollution reduction filter designed for observing the broad range of deep sky objects including nebulae and galaxies. The CLS does a good job of increasing contrast, providing a darker sky background.