Optolong L-Ultimate Size:2" Experience the Next Level of

Experience the Next Level of Imaging

Clear image

>-30dBm Adjacent channel selectivity -60dB@12

Sensor: 1-inch CMOS IMX183 (Monochrome)

High-quality silver cardboard box for storage

Optolong L-Ultimate Size:2" Experience the Next Level ofOptolong L Ultimate Light Pollution Dual Bandpass 3nm Narrowband Imaging Filter 2" You spoke and we listened! L Ultimate 1. 25" has been added. It's about a 3nm dual band designed to drastically reduce the effect of light pollution, the 3nm isolates the nebulae's emissions into H Alpha (red) and OIII (green blue). It blocks light pollution, maximizes the signal from nebulae, and darkens the sky background. It also blocks artificial light from mercury