The filter darkens while rotating the derivative action before my Schlepptopmonitor almost completely. Really almost !. Not only dark gray, but almost black so you barely see by what.
At a reception at the kitchen window I could (consciously) strong reflections "almost" completely Hide- whether at higher-priced products work better or worse I can not judge.
Photos attached under kitchen 1 and 2
The build quality is good, the ring can be pleasant turn soft. It's a little fiddly, but a more appropriate journal would possibly protrude into the picture or on the lens hood stripes. I'll handle it well. For 20 euros? super.
I'm going to ask me regarding the "blue Himmel.Test" forgive and to have a first 4 stars. The 5th, I reserve yet.