Optolong L-Quad Enhance Filter 2" Optolong Built-in Wi-Fi enabling unparalleled connectivity

Built-in Wi-Fi enabling unparalleled connectivity and recordable permanent periodic error correction (PPEC) to repeat optimal PEC training sessions

and can be reused

At the heart of most Hydrogen Alpha solar telescopes lies the etalon filter

easier to use

Speaking of which

Optolong L-Quad Enhance Filter 2" Optolong Built-in Wi-Fi enabling unparalleled connectivityDescription L Quad Enhance Filter is a quad bandpass light pollution suppression filter for colour cameras. Better suppression of starbursts; Higher contrast and more details of the celestial bodies; Better colour saturation; Great performance on signal to noise ratio (SNR); Near IR cut off to 1000nm, reducing the effects of IR noise; Good for night sky from Bortel 1 to Bortel 7 levels; Suitable for wide range of deep sky targets cover most nebulae,