I know some people arent fans of putting glass on top of glass, but often times when you rent a lens its gonna have a protective filter on it. I needed something to protect my 35 1.8s lens for Nikon. This allows me to do that. The picture quality remains solid. I just wish the case this came in wasnt so big.

While a clear filter may not be the most exciting bit of camera gear, it can prove valuable in protecting your expensive lens investment. This filter seems optically clear and does not add any color cast. From my readings I barely see any light loss, nor have I run into internal reflections. The filter has some grip indents on the outside which make it easy to install and remove. Many of my older filters would become stuck and difficult to remove, but I don't anticipate that with this one. It is not overly thin, but I have not discovered any vignetting with this at the wide end of my 24-70 Lumix S Pro lens.

If you tend to shoot in harsh environments, or anywhere that may cause contact with your front lens element, seriously give this some consideration. It's affordable protection worth having.

This is a basic UV filter. It seems to do a good job at protecting the camera sensor from UV rays and doesn't mess with the image quality

I continue to be impressed by K&F Concept equipment. It's well-made, and the quality of the optical grade glass and the coatings are both really decent. I didn't notice any drop in sharpness.

This filter doesn't affect the picture abilities of the Nikon P950 when on the camera. It helps balance the photo's and doesn't detract from the camera's abilities, like the 2000mm zoom.

Fits onto the lens well, with no problems. Came with a nice package and lens holder. You can use other lenses over it, because it's threaded on the outside also.

I would highly recommend this filter from K&F Concept. I was pointed to them as company from a photography magazine. I own one of their filters and now their carbon fiber tripod which is also a high-quality product at a superb price, in other words, a great value.

Thanks K&F Concept for a great product at a reasonable price!!! A+++++++++++

I've mainly switched to tempered glass for the extra protection since I don't use lens caps and I stack lenses in a small bag when on the go.

I didn't expect the quality to be this good. filter comes out of the box with a coating that feels quite slippery.

I just wish the letters on the filter to be of darker color instead of "cheap white" but performance wise, it's been amazing.

A UV filter may help the look of some outdoor photos in bright sun, but honestly I can't see much difference. I use UV filters like most people do, as a way to protect the front element of my lenses. If you're shooting someplace where the lens could get stuff on it, like in the rain, at the beach (salt spray), or the pool (splashes), at a party where people might be getting sloppy with drinks or around kids/pets who might reach out and touch the lens, a UV filter is good protection. It's much easier to clean a filter than the element on an expensive lens!

Of course for this purpose you want a filter that won't degrade the quality of your images, so far as I can tell this one does not. I haven't noticed any visible darkening or color shifts, in fact when I first opened the box for a second I thought there wasn't any glass in the filter ring! So overall I think this will offer some protection to your lenses without changing picture quality. And of course, if you're someplace that isn't hazardous to your lens you can easily take the filter off.

While it's not a downside, I do kind of wish K&F would standardize their filter cases. I have received 3 different kinds already, and it would be nice if they had a stamp/sticker on the outside so you can quickly tell which type of filter is in the box! Luckily, I have a label maker.
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This is a great protective filter for a pricey lens. I recently ordered a set of diffusion filters from K&F Concept for one of my lenses and I was very pleased with the quality of the glass as well as the workmanship. I didn't hesitate to order this UV filter when it became available. I ordered the 55 mm version for a standard Nikkor lens that came as part of a DSLR kit. Years ago, I used UV filters on the lenses I used on my film cameras, but I am just now starting to learn my way around digital cameras. I imagine this might be helpful in some outdoor shots, but I was primarily interested in just protecting my lens. This filter is thin, light and attaches to my lens very easily. The optical quality of the Japanese-made AGC glass is very high. My images are sharp and I cannot see any aberrations in the glass. I appreciate that this filter is designed to be shock-proof, water-resistant and especially scratch-resistant as it is surprisingly easy to damage a lens or get it wet or dirty (and they aren't all that easy to clean). It is nice to keep dust off of my lens, and not to have to worry so much about something happening to it so I can just think about taking pictures. I have several other lenses in various sizes that are also in need of protective filters, and I will certainly be looking for this brand. I also like the sturdy storage case this lens arrived in. The current price of $32.99 is a very reasonable cost and such a worthwhile purchase so I know my expensive lenses are protected.

Speaking of myths, just what do UV filters do?

Originally, UV filters, and their cousins, haze filters, were placed in front of the lens to mollify the effects of UV light on panchromatic and color film, given its proximity to blue on the light spectrum. This is not an issue in digital photography.

Some (here) say a UV filter will prevent UV degradation of the lens or its coatings. Interesting but I have never heard this claim and could not find any knowledgeable photographer making it via a web search.

Some say a UV filter can protect a lens from breaking if dropped. Most photographers/lens manufacturers agree that today’s lenses are far more sturdy than a UV filter, which very well may break if the lens is dropped.

Some say a UV filter may cause flare or ghosting (especially in high contrasting scenes) in the final image. Most photographers report that such an occurrence, if it happens, is hardly noticeable.

For all intent and purposes in digital photography, UV filters serve one purpose: prevent scratches and foreign matter from coming into contact with the front element of the lens. The point being that dust, sand, saliva, sweat, rain, snow, salt spray, et al., are easier to clean from a filter than a lens, while saving the lens from relentless, potentially abrasive cleaning regimes.

I obtained this filter to test for chromatic aberrations, flare, and ghosting – while using it for lens protection. I did not notice any significant effects. If I wish to be picky, very high contrast scenes (bright lights on a dimly lit street) may evidence a bit of ghosting. The filter is well-made, sturdy, and has no visible flaws in the glass or coatings.

Without meaning to demean anyone, I suspect that the average photographer would not recognize any ill effects in their images due to this filter. I obtained the 72 mm which I recommend without reservations.

In modern DSLR cameras, there is a huge argument whether UV Filters provide any benefit. I’m in the camp that says there are definite benefits. First, there are arguments that the UV filter can protect the sensor in your camera from long term deterioration caused by UV exposure. Second, a high-quality filter provides a layer of protection to the front of your camera lens. I was taking pictures at a very windy venue, and a door was caught by the wind and smacked the front of my lens before I could catch it. I was lucky that the hit wasn’t worse, but the lens did receive a small chip to the front plastic. This filter is made out of metal, screwed right on, and will protect the front of the lens from this kind of damage in the future. The lens could still get damaged in other ways, but it is a layer of protection from these unexpected bumps. In the future, if the lens gets bumped and the filter gets destroyed, I’ll be grateful that the filter took the hit instead of the lens. The filter is much cheaper to replace!