NEEWER4 Pack ND/PL Filter Set Compatible with Insta360 Ace Pro 2, ND8/PL + ND16/PL + ND32/PL + ND64/PL Neutral Density Polarizer Polarizing Filter Kit Snap On Action Camera Accessories, FL91

They do their job at a decent price. Recommended.

I was planning on a 4 star rating, but the magnetic lock of the case tipped me up to 5 stars because that's one less plastic clasp that can break rendering a case useless, well thought out design and an excellent stays in place snug fit for filters in a soft feel case interior with finger grip notches.I will add some ND filter comparison pics when I get some time to catch the actual low amount of clear day sunlight here in beautiful WA state, but I've seen enough shifting clouds sun shots that tells me the ND spread is effective. Will expect to test the blur effects possible with adjusting shutter speeds and aperture as well as motorcycle riding season is getting closer. Don't really have much to say about the PL yet as I am waiting for bright light while I'm at a lake, I'm accustomed to circular polarizers to dial the effect in, so I'm curious how this will work. If anything fails to perform, the rating will go down.With the Ace Pro 2 having a rubber ring around the lens cover, you'll have to remove this, it's not an issue and easily fits back on. I don't keep it on myself just not to wear it out, but I would put it back on if I were to go underwater with it, just in case that's why it's there. The filters fit perfectly snug over the lens cap and are easy to apply and remove.

Perfect fit for the Ace 2. If you are someone that is into running filters, this is a great addition to get the look your prefer or have more versatility in your environment. Super easy to use and great quality

If you are a serious shooter and camera person, you want to use ND filters. This was one of the first things I got for use with my camera. I've used Neewer ND's in the past and these work just as well.I like having the polarizer be a separate filter, instead of it being combined with the ND.While the fit isn't super tight, I'm not using these in any extreme sports or bumpy conditions so I expect them to stay on just fine. Your usage may vary though and these could be a bit too loose for you.

I agree with another review on this same product. This DOES NOT fit snug & secure and the instructions are intentionally VAGUE, regarding the need to keep the Ace Pro 2's rubber seal in place or not. I opted to smush the rubber seal under this filter in order to create some "friction" to hold it in place..The Insta 360 Filter seems to have a similar attachment routine and it also seems just as "VAGUE".

Easy to install and use. These filters fit directly in place of the existing protective lens to give you the darkening you need.

this fit the insta360 ace pro too perfectly. this has a case hi quality and the build quality of the filter is 10 out of 10.

If you plan on using your action camera for what it was intended for, this lense will absolutely fall off of the camera. It only gently snugs onto the existing lense with nothing to lock it into place which makes it fall off at the slightest bump or if you accidentally touch it wrong. It's not very snug, but i will keep it to use for my vlogging videos that don't involve anything extreme. I can't speak on the video quality as I haven't been able to ride with this item yet. I'd spend the extra $50-$60 to get the name brand version that's meant for extreme use. You get what you pay for in this instance.Used mainly for motocross riding and jumping.