Congratulations Amazon.com for delivery! Very good! I used the filter on vacation in the mountains this summer beautiful blue sky contrasts beautifully rendered especially fir landscape and reflection waterfall perfectly rendered etc ... it is mounted on Olympus E 620 with lens 14-54 f 2.8 mounted I had to February-March IT because there is a loss of full light enough conséquente.En no problem but overcast sun had more difficult to manage very happy with my purchase
