[2022 NEW] Optolong L-Ultimate FULL Review скачать в хорошем качестве

[2022 NEW] Optolong L-Ultimate FULL Review

In this video, photographer Teagan Grable from USA introduced his wonderful experience and full review of the Optolong L-Ultimate 2" Light Pollution Dual Band Filter, a fantastic filter for astrophotographers in heavily light polluted areas. Vdieo credit:Teagan Grable About L-Ultimate: 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 vapor lamps, high and low pressure sodium vapor lights, and unwanted natural light caused by the emission of neutral oxygen in our atmosphere. ... More details can click: https://optolong.com/cms/document/det... Order your Optolong L-Ultimate 2" Light Pollution Dual Band Filter from your local dealers^^ About the photographer: Teagan is an advanced Astrophotographer and has a lot of experience testing gear. His Facebook:   / teagan.depratograble   His astrobin: https://www.astrobin.com/users/Mr_42t... The original link of the video （Give your like to this photographer）:    • Optolong L-Ultimate Full Review | High Poi...   #highpointscientific #astrophotography #astro #optolong #filter #test #L-Ultimate #astronomy