82mm ND & CPL 2 in 1 Lens Filter, ND2-ND32 (1-5 Stop) Variable Neutral Density and Polarizer for Camera Lens Nano-Dazzle Series

People have claimed you can't put the lens cap on this. For the 49mm at least my OEM canon lens cap went on just fine.

It JUST fitted under my glare shield but I can't remove the shield without taking off the filter first.

I can still access all the functional parts though as things like CPL and ND are only really ever changed in a gradual manner on a fixed tripod so I wouldn't ever need to rapidly change it and thus don't need super easy access, but without the shield on this is very easy to quickly adjust.

Worth every penny for what combines about 5 potential different filters into one unit. Very happy as always with K&F

K&F Concept makes some of the best value lens filters. This variable ND is so affordable yet works so well, with the knob for easy adjustments of ND and CPL filters.

The orange knob is very useful as I don't need to look at the markings to see which strength of ND I'm using at the moment.

The lens quality is excellent and I didn't notice much of a color shift or X pattern.

Very good quality and useful for Photographers and videographers. Optical quality is very good.

I love that this saves you money on getting several different ND filters, instead having it as adjustable as you want it. It fits great on my Sigma 24-70mm, but the minus about it is that you can't put the lens cap over this filter, so either it's staying on your lens or you'll need to screw this on and off every time you want to take a photo.

Love it, use it on a 28mm canon, very useful

The difference between the two photos looks like a clear shape is great

"The product is an ingenious lens because it combines two functions in a single device: it acts both as a neutral density filter and as a CPL filter.

The CPL filter, or circular polarizing filter, is a type of filter used in photography. It is used to reduce unwanted light reflections from non-metallic surfaces such as water or glass, making colors more saturated and the sky bluer. Additionally, it can help improve the contrast and sharpness of the image.

The ND2-32 filter is a type of photographic filter called a neutral density filter (ND stands for “Neutral Density”). This filter reduces the amount of light entering the camera lens without altering the colors of the scene. It is particularly useful for shooting in bright light, allowing longer exposure times or wider apertures. The number ""2-32"" indicates the neutral density range of the filter, giving you the flexibility to change the density based on lighting conditions.

The ND filter can help in these situations:

1. **Photographing Waterfalls or Streams**: The ND filter helps reduce the amount of light entering the lens, allowing for longer exposure times. This can create a silky effect on the water, making waterfalls or streams choppy and smooth.
2. **Shooting in Bright Light**: In bright light, the ND filter can help control the amount of light entering the lens, allowing the user to use wider apertures without overexposing the image .
3. **Photographing the Sky**: During the day, the ND filter can help darken the sky, allowing you to capture cloud details that would otherwise be overexposed.
4. **Outdoor Portraits**: The ND filter can be useful for outdoor portraits in bright light. It allows you to use longer exposure times or wider apertures to achieve a shallow depth of field, keeping the subject in focus and blurring the background.
5. **Architecture or Cityscape Photography**: The ND filter can allow you to eliminate moving people or vehicles from a scene, creating a clean, non-noisy image.

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Very well built and smooth movement.
There is minor image degradation.

K/F Concept is a brand of photography accessories, which is especially known for its quality/price ratio. I have several things, and I can say from the outset that in general they are very good in terms of the aforementioned star relationship.

We received a small box that is basically the size of the filter box itself. Well, it's actually the plastic filter cover with a silver cardboard cover on the outside. It arrives sealed in transparent plastic, which guarantees no prior manipulation. The box also mentions that it is "slim" (to avoid vignetting and that we "see" the filter in our photos), that it has a multi-layer filter and that it is water resistant.

It has metallic orange levers on opposite sides. It fits very fine and is very comfortable.

A vacuum-packed microfiber cloth is included. Which is suitable for all types of lenses apart from the filter, also for glasses, lenses, etc...

My version of the filter is with a 72mm thread pitch, to be used mainly on my 135mm F2L. Incidentally, most Canon L series lenses are compatible with this filter size.

The filter from ND2 to ND32 varies depending on how we turn the screw. What it does is darken the image progressively, without generating banding or noticeable defects (at least in my tests). Normally you will want to darken the image if you want to take longer exposures without burning the photo, such as in a classic silk effect of water coming down from the river. Another use of darkening the image is when you want to shoot with a very large aperture but even if you lower the ISO to the minimum there is still too much light. This second option is the one I had in mind for my lens: portraits at f2.8 with solaco

I sent the filter back because the setting for the CPL filter is extremely difficult to use. I either loosen the filter when turning it or pull it so hard that I can hardly get the filter off the lens.

The ND filter is very easy to use and also works smoothly"