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: optcorp.com/pr...
L-Ultimate CA: www.ontariotel...
L-eXtreme US: optcorp.com/pr...
L-eXtreme CA: www.ontariotel...