L-Ultimate vs L-eXtreme - Astrophotography

In this video I show off the L-Ultimate filter by Optolong. I show some comparisons with the L-eXtreme vs L-Ultimate! L-Ultimate US: https://optcorp.com/products/optolong... L-Ultimate CA: https://www.ontariotelescope.com/l-ul... L-eXtreme US: https://optcorp.com/products/optolong... L-eXtreme CA: https://www.ontariotelescope.com/l-ex...