K&F Concept Go Ultra CPL ND Filters Kit, 4Pack CPL ND8 ND16 ND32 Neutral Density Light Reduction Polarizing Filter Compatible with Insta360 GO Ultra with 28 Multi-Layer Coated, Aluminum Alloy Frame

This set of filters are a perfect fit for the Insta360 Go Ultra. They are a little bigger than the standard lens filter that comes with the Go Ultra, but don't have much impact on how you would normally carry or use the action camera. No issues screwing them on or off. I bought these filters to take some long exposure waterfall and beach photos and they work pretty good for that purpose.

This filter kit works as intended, swapping out lenses is the same as the OEM, screw on and it fits just right. The main thing to note is the fact that these are noticeably larger than the OEM lens, so they are not compatible with the 3D printed 37mm lens adapter mod by Luke Edwin. But for the purpose of using the lenses in bright daylight, these do the job, and the price is better than insta360's. As a beginner to action cameras, this was a fun set to experiment with.

This K&F Concept Go Ultra CPL ND filter kit is excellent for enhancing my Insta360 GO Ultra footage. The kit includes ND8, ND16, ND32, and a CPL filter, giving me full control over light and reflections in various shooting conditions. The 28-layer multi-coated glass delivers sharp, clear images without color cast, and the aluminum alloy frames feel durable and premium. Switching filters is quick and easy, and they fit perfectly on my camera. These filters have noticeably improved the quality of my videos, especially in bright sunlight or reflective environments. For any Insta360 GO Ultra user, this set is a must-have accessory.

I am excited to try these out. As you can see they are quite large in size so that’s something to consider but they screw on easily and I feel like so far they are pretty quality ND filters! I will come back and add videos in the future to this review showing the footage. So far from what I see from my screen the image quality is still there with the lenses on. I think this is a great value overall for four lenses.

This is my first time buying Nd filters for a camera like this. They are built sturdy and feel of good quality. These filters screw on perfectly. I will say that they definitely have a much wider diameter and protrude from the sides a lot more than the original glass lense. Not a deal breaker, and the camera still fits into my pocket protector case with a filter attached. The price seemed fair.If you are into a lot of outdoor photography I would recommend this set. It comes with a protective case to store away and protect them.

These filters help you control the amount of light hitting the sensor of your GO Ultra, thus giving you natural motion blur. They’re basically sunglasses for your camera. They work as intended, but are a bit larger than the stock lens protector. It also comes with a CPL that’s probably my favorite filter to use. The circular polarizer is meant to cut out reflections and it works great. Definitely a needed accessory for the GO Ultra and they come at half the price than the filters directly from Insta360.

I got the ND8/ND16/ND32/CPL kit. The filters are high quality and well made. The included plastic case is very functional, but a bit bulky. Considering the quality and the fact that this kit costs about half of what the Insta360 "official" ND filter kit costs, it is definitely a good value. They are quite large however, and while this doesn't necessarily affect funtionality, it's something to be aware of. You can see in the photos the diameter of the filters is almost twice that of the original lens guard. That being said, they fit and thread on very well. I like that the CPL has a white indicator on the edge so you can keep track of the angle you have it set to.Just be aware that using filters on an action camera comes with some extra challenges. CPL can get a little funky with the super wide angle action cam lenses - the effect can seem uneven or weird depending on your shooting conditions, it can be tricky to use. As far as using the ND filters - normally the goal is to achieve the 180 shutter rule, i.e. get your shutter speed locked to be twice your framerate, to achieve the best motion blur. However, when your using an action camera which leans heavily on electronic stabilization, this doesn't really work. For example, if you are shooting in 4K30 and use the correct ND filter to expose correctly with a manual shutter speed of 1/60, it's going to muck up the stabilization and your footage is going to be bad with ugly jitter if you are moving the camera. You really need to keep the shutter speed at 1/240 so the stabilization can work properly.That being said, these are really nice filters, I'm not 100% sure if there is a reason they need to be so large, maybe it's to help prevent light leakage or weird flares or to help with the effect being even across the lens. Either way, it's not really a problem in the end, and the quality of the filter is what really matters.

Excellent ND and CPL kit for the price. The glass is clear with no color cast or loss of sharpness, and the build feels premium. Threads smoothly and fits perfectly. Comes well packaged and easy to carry. Ideal for both video and photo work.

I don't have a whole lot of experience with my little Go Ultra camera yet, but I can tell you that these lens filters are very nice. I especially love the polarizing filter. You can see in the video how effective it is just pointing it at my desk.I'm not really sure if I'll get a lot of use out of the ND filters, but if and when I do need them, it's good to know I have them ready.They screw on to the camera with no resistance and fit snuggly. However, I do not think that they are water resistant, so be aware of that. They come in a nice case that protects them well, and allows you to store them without worrying about them getting scratched up or ruined.Everything I've purchased from this company, K&F Concept, has been high-quality, and these filters are no exception. Five stars.

I love my Insta360 GO Ultra and was glad to see K&F Concept making filters that double as lens protectors. This 4-pack includes CPL, ND8, ND16, and ND32, all part of their excellent Nano-X series that I already use on my full-frame cameras. The build quality is fantastic—lightweight aluminum frames with multi-coated glass that feels premium while keeping the GO Ultra compact and protected.Performance has been great in outdoor use, helping balance exposure in bright light and cut reflections for cleaner, more cinematic shots. I did notice some purple flares when testing the ND32 in direct sun while spinning the camera in circles, but in normal shooting that’s not really an issue. For around $40 (less with coupons), this is a must-have kit if you want to elevate your footage while keeping your lens safe.