Reddit reviews ProMaster 77mm Variable Neutral Density Filter (9566)
We found 2 Reddit comments about ProMaster 77mm Variable Neutral Density Filter (9566). Here are the top ones, ranked by their Reddit score.
77mm DiameterDecreases Field DepthSlow Shutter Speeds On Moving SubjectsPerfect For Bright Outdoor Situations
This one http://www.amazon.com/Promaster-Variable-Neutral-Density-Filter/dp/B005CAHOCK/ref=sr_1_1?ie=UTF8&qid=1415129509&sr=8-1&keywords=promaster+variable+nd+filter
I work in a camera shop so got it for pretty cheap. It works good until the darkest 1/3rd of rotation, where it leaves REALLY BAD black borders and vignetting. I can get 3 second exposures at f22 in extremely bright sunlight without getting the borders. I'd recommend it.
Edit: I have the 72mm not the 77mm
I bought this one for my 14mm. I highly recommend
Promaster 77mm Variable Neutral Density Filter https://www.amazon.com/dp/B005CAHOCK/ref=cm_sw_r_cp_apa_i_ezVZCbW86G21S