52mm Circular Polarizer Filter with Lens Cap Optical Glass Ultra Slim 18 Multi-Layer Coatings Polarizing Filter for Camera Lens Nano-Klear Series

This does have a separate ring to spin, so you don't have to spin the thread to adjust it. It has a nice friction so you're not fighting it, and it's still solid enough to keep it in place.

I really like that it came with a cap, so I can leave it on and not have to worry about it.

The pictures come out clean with little to no color adjustment. I've been a fan of K&F products, and this is another great example of why that is.

Overall a great polarizer.

Highly recommended.

I ordered this 62mm K&F Concept CPL filter for use on my Nikkor 20mm F2.8D lens. I own quite a few ND, CPL and UV filters from K&F. Except one with a rough turn ring, rest all have turned out to be good. This CPL filter came in a typical filter box with a lens cap and a lens cap keeper.

The lens cap is alright, it is not as good as the OEM cap and personally I don’t like it. The pinch is not deep and does not provide a good grip. I have never ever lost a lens cap since I started photography 14 years ago and so don’t see myself using the K&F lens cap. The lens cap keeper is a waste for me, I cannot tighten it over the lens barrel and so won’t be using it.

The filter was very clean out of the box. No markings on the filter rim besides the brand, filter name & size. The rim that turns is very slim and is very smooth. The lens cap fits over the filter just fine.

I took a few images with this CPL filter, it works well in reducing the reflections. So, a good CPL filter at a low price ($14.99) and if you need a lens cap, it comes with one.

This is a well built polarizing filter, comes with sturdy plastic carrying case, lanyard, and lens cap. The construction of all parts are solid and easy to work with, I especially like the adjustment ring, the grooves are very pronounced and very easy to adjust without worrying about loosening the filter from the lens.

I didn't notice any degradation of image quality, and this works well in a variety of lighting scenarios, even partly cloudy and overcast situations. Overall very happy with this filter and can definitely recommend it for the rugged construction and picture quality.

Photos taken with the R5C with an ef 135L 2.0 at f/3.5. I've made no adjustments in post other than what CaptureOne does when it imports photos. To my eye, I see very little, if any color change. I've had other polarizers in the past that seem to do more than simply shift the rays of light. I noticed about 2/3 stop reduction in light transmission. The filter spins relatively smoothly with no real hangups like some others I've used in the past. I still need to get out and do some real-world shooting with this, but my initial impressions are good.

The filter and cap came with a little wrist strap, which is always cute. The build quality on this feels rather nice, with a solid metal ring that fit smoothly into my Canon 49mm cap lenses. It came in a nice, if rather oversized and general-purpose plastic clamshell case for safe keeping, or for protecting a few video game cartridges or whatever.

I got this for my iPhone filter mount that take 67mm filter, the extra cap is perfect as phone don’t have extra lens cap to protect the glass.

The filter works as it should.
The ring is well made and is easy to turn. It's all made of metal.
The lens cap is good too.
For the price, it's definitely impressive.

Filtro polarizzatore da 77mm di buona qualità e soprattutto ottimo prezzo...Viene fornito con tappo aggiuntivo e scatoletta in plastica rigida nonché cordino di ritenuta per il tappo... Per il test l'ho montato su di un Tamron 10-24 f3.5-5.6, un grand'angolo per Reflex in formato APSC.. Si monta senza nessun tipo di problema o impuntamenti , la filettatura è corretta è ben realizzata. Una volta montato è possibile far ruotare il filtro in maniera fluida con uno sforzo minimo, questo aiuta ad operare con un solo dito ed evita che ruoti da solo.. E' un po' più spesso di un filtro UV di tipo sottile, ma ciò è normale per via della necessaria rotazione che il CPL deve avere, il maggior spessore non introduce nessun tipo di vignettatura su APSC. La rimozione di tutti i riflessi metallici e non, della luce diffusa, l'aumento di contrasto ed altri miglioramenti apportati si notano ruotando il filtro fino al raggiungimento del grado desiderato, il massimo valore di attenuazione per la luce con polarizzazione opposta a quella desiderata è normalmente di 90°... ho allegato alcuni scatti per mostrare i risultati con o senza polarizzazione. Non ho notato nessun tipo di dominante cromatica ne colorazione indesiderata. Solitamente lo si usa per foto di paesaggio, mare, o comunque tutte quelle situazioni in cui si voglio cogliere particolari offuscati dalla luce diffusa o riflessa. Personalmente mi ritengo molto soddisfatto del risultato ottenuto e considerando il prezzo di vendita estremamente contenuto visto il diametro di 77mm e la tipologia di filtro non posso far altro che consigliarlo a tutti i fotoamatori e per i PRO in cerca di un fitlro di scorta in emergenza.....

Price when reviewed: £ 13.99 for 55mm filter.
Polarizing filters let you control reflective surfaces when taking photos. This type of filter has 2 layers, a fixed back element and a rotating front element. Polarizing filters can reduce the amount of light passing through it, so best to use in daylight.
I have tested this filter with a camera and a shallow bird bath in the garden. The two photos show the amount of control I was able to get in this simple test, with one photo showing the bottom of the bird bath as if the water didn’t exist and the second photo showing a reflection of the garden plants opposite.
The quality of the glass in this filter appears to be very good as there is no distortion in my photos. I like that you also get a lens cap as the original cap that came with the camera doesn’t fit with this filter attached. The lens cap retaining strap slips off a bit too easily so I’m using another one I have.
Overall, I am really pleased with the quality of this circular polarizing filter.

The K&F Concept 67MM Polarizing Filter is a solid addition to my photography kit. The filter fits well on my lens, and the included cap and lanyard are thoughtful touches that add convenience. The lens itself enhances image definition noticeably, delivering clear and vibrant photos. The ultra-slim design and multi-coated Japan optics make it a reliable choice for those looking to improve their image quality.