OPTOLONG CLS FILTER Tilter you can use all the

you can use all the aperture you paid for

plus 30% faster FPS in video mode

Massimo Riccardi

Earth rotates with respect to astronomical objects

this is even better with the WLAN which is… wireless

OPTOLONG CLS FILTER Tilter you can use all theThe Optolong CLS (City Light Suppression) broadband filter is designed to improve the visibility of emission deep sky objects. It selectively reduces the transmission of wavelengths of artificial light, specifically those produced by mercury vapour lamps, both high and low pressure sodium vapour lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i. e. skyglow). The high transmission in the main nebula emission