Love the product. I hand this to friends if they don't own one. Have not noticed a loss in image quality on my side.

It does the job BUT can't help but wonder if I should have gone with B+W's. For the price, it's good.

Typically you get what you pay for when it comes to camera gear but this product is one of those rare exceptions. I was very hesitant to purchase it based on the price but after watching dozens of reviews on variable ND filters I figured I would give it a shot. I have never been a fan of variable ND due to some of the image artifacts they are known for. I always used individual ND filters as needed which can be a pain when shooting run&gun video.I loved that this ND filter had hard stops to not go past the usable points of filtering and that they somehow eliminated the dreaded x shape in the picture. While photos may be able to recover from some of these artifacts it is much harder to get around them in video.So far I am completely blown away at how good this VND filter has performed. The picture quality as far as my initial testing has shown is stellar. Color cast seems to be at a minimum and there is absolutely no X shape or vignetting. To be fair I bought the 82mm size version and use step up rings on my GH4 and m43 lenses but so far even on the 62mm wide 14-140 lens visually the VND seems perfect.My only super tiny issue which is true of all VND filters is that turning a filter on the front of the lens while shooting video is very easy to accidentally get my fingers in the shot. Would be nice to have the option to screw in a tiny handle into the VND so I have something to grab onto and not get my fingers in the shot. Maybe something the manufacturer can consider for a future product.

Good build quality. Very little colour shift as expected. Like the hard stops. Proper!!

A very good filter. It’s very smooth and has a stopping point. I used this on my sigma art lens for a shoot. No vignetting!

Probably the best value I've ever come across for an ND filter. Materials seem durable, does not significantly shift color, and no banding. Used it to shoot the iconic I-5 car light streaks on my last visit to Seattle and the shots turned out perfect. You won't find a better variable ND filter without spending 3x as much.P.S. - i used the 82mm 2-32 with a Sony 28-70 GM f2.8

Good built quality, nice packaging and case.

Pretty damn good. I’ve shot with it several times over the past week or so. It’s awesome. Great quality filter.

I just received my ND filter today. Excited to get going with it. Tried a few test shots and it seems to work as advertised. However, I am dissatisfied with the company since I am unable to receive the extended warranty. I went to the site and entered the order number from Amazon into the required bucket. Error message came up and my order number was rejected. Therefore, no extended warranty. Very disappointing and frustrating that the Amazon order number is unacceptable to the company!

Good price point and very clear and not too much color tint, it's actually really well built and has a hard stop so you to go too far and get the X pattern. Very nice compared to some of the more expensive brands out there with crazy color cast.