darker filyer than described, but works well. shipping was handled quick.
1. Poor applicability of the effect. (When trying to maximize darkening, the overlap of DN filters - dark spots towards the center of the field of view - can be clearly seen.) 2. Impractically (drowned and smooth) ring changes effect. xxx 1. Slaba pouzitelnost efektu. (Pri snaze o maximalni zatmaveni je silne videt prekryvani DN fitrů - tmave fleky smerem ke stredu zorneho pole.) 2. Neprakticky (utopeny a hladky) krouzek zmeny efektu.