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Lens Filters

Lens Filters

How are Camera Lens Filters Used in Photography and Videography?


In photography and videography, a filter is a camera accessory to protect camera lenses from scratches, thumbprints, and dust. Meanwhile, lens filters improve images and, in some instances, achieve effects that even the best photo editing suites cannot replicate. 


Different Types of Lens Filters

Lens filters consist of an optical filter that can be inserted into the optical path. A lens filter can be of a square or oblong shape and mounted in a holder accessory, or, more commonly, a glass or plastic disk in a metal or plastic ring frame, which can be screwed into the front of or clipped onto the camera lens. 


In digital photography, the majority of lens filters have been rendered redundant by digital filters applied either in-camera or during post-processing. Exceptions include the ultraviolet (UV) filter typically used to protect the front surface of the lens against moisture, dirt, and scratches, which makes them ideal for shooting in wet, dusty, or muddy environments. In the past, UV filters were also used to prevent the UV light from causing haze and fogginess in older photographic films, which were typically more sensitive to UV rays.


A neutral density (ND) filter permits effects requiring wide apertures or long exposures to be applied to brightly lit scenes, while the graduated ND filter is useful in situations where the scene's dynamic range exceeds the capability of the sensor. Not using optical filters in front of the lens has the advantage of avoiding the reduction of image quality caused by the presence of an extra optical element in the light path and may be necessary to avoid vignetting when using wide-angle lenses. ND filters are most suitable for landscape photography, flash photography, street photography, photographing moving bodies of water like rivers and falls. 


Graduated neutral density filters (also known as ND Grad or GND filters) have a vertical transition between dark and clear to balance the exposure between the sunny sky and its darker foreground. This type of lens filter varies in darkness and is measured in “stops”—the number of stops of light determines how much it will darken part of the scene you are trying to capture. Graduated neutral density filters are most suitable for landscape photography and shooting during the golden hours: after sunrise and before sunset.


A CPL filter – which stands for circular polarizer/linear – is a glass attachment that can reduce the glare from reflected surfaces. A CPL filter is most suitable for removing glass reflections, darkening the sky, and enhancing color. 


Polarizing filters, pretty much like sunglasses, add depth to an image by saturating its color and reducing reflections.


Protect your camera lenses and improve your photographs with help from K&F Concept and its wide range of selection of neutral density, protective, and polarizing lens filters.


100x100mm Square Filter Kit ND1000 Square Filter + Metal Filter Holder + 8pcs Adapter Rings For DSLR
HOT Seller
  • - This SN25T1 ND1000 filter is an upgrade of the SN25T ND1000 square filter. It uses a coating process to solve the problem of color cast. Simply slide in different filters to take beautiful, colorful shots.
  • - The material of the filter is top-grade optical glass, which adopts double-sided multi-layer enhanced coating, which can effectively reduce the filter surface reflection.
70 Review(s)
$129.99 $69.99
Square Filter Kit 100mm ND1000 + 150mm GND8 + Metal Square Filter Holder Set
HOT Seller
  • - ND1000 effectively prevents more than light, interferes with the viewfinder, guarantees the quality of picture shooting, and can play a certain dust-proof and waterproof function, which is very suitable for shooting scenery.
  • - The material of the filter is top-level optical glass, which adopts double-sided multi-layer enhanced coating, which can effectively reduce the surface reflection of the filter. It greatly reduces the glare caused by the reflection of the outer line of the long-exposure lens, and ensures the first-class image quality.
63 Review(s)
$288.99 $130.99
82mm Fader ND2-ND32 ND Filter Neutral Density Variable Filter for Camera Lens No X Spot
48 % OFF
  • - 【Material】 XV37 ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance.
  • - 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
53 Review(s)
$129.99 $66.99
67mm Fader ND2 to ND32 ND Filter Variable Neutral Density Lens Filter No X Spot
25 % OFF
  • - 【Material】XV37 ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance.
  • - 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
38 Review(s)
$75.99 $56.99
77mm Variable ND2-ND32 ND Filter & CPL Circular Polarizing Filter 2 in 1 Function Nano Coating No “X” Spot
49 % OFF
  • - 【ND & CPL filter 2 in 1】XB41 One filter has both of CPL and varaible ND filter function,save your time to replace two filters; it can not only reduce the amount of light entering the lens but also darken skies, manage reflections at the same time.
  • - 【No “X” cross on images】Say goodbye to the "X" cross on images, K&F utilize cutting edge technology you're going to say goodbye to this common issue with wide angle lenses and variable ND filters.
28 Review(s)
$169.99 $85.99
4 in 1 49mm Magnetic Lens Filter Kit MCUV+CPL+ND1000+Adapter Ring Waterproof Scratch-Resistant Anti-Reflection with Filter Pouch
41 % OFF
  • - 3 in 1 Professional Magnetic Lens Filter Kit - This filter kit includes MCUV+CPL+Neutral Denstiy ND1000+1 magnetic adapter ring + 1 waterproof zip filter pouch. Note: This magnetic filter set has two combination methods: 1. Magnetic Adapter Ring + CPL+ ND1000. 2. MCUV+CPL+ND1000.
  • - One Second Filter Swap & Install - Still screwing your filter awkwardly? Now it is time to free your hands. This magnetic lens filter kit could be installed in less than one second compared with conventional six-seconds screw.Swap and intall the filter in one second even on the cold weather, avoding frozen hands.
17 Review(s)
$169.99 $99.99
  • - Ultra slim frame, only 4mm thickness.Double side 18-layer coated,water repellent,anti-oil,anti-dust,anti-soil,scratch resistant.
  • - Ultra slim rim profile to avoid vignetting on wide angle lenses, while maintaining rotation capabilities to adjust polarization levels. Extra tough Magnalium frame ensuring great durability and jamming prevention.
15 Review(s)
$51.99
  • - 1 The main purpose of using the ND lens is to prevent overexposure. If the light is too bright, it is difficult to choose a slower shutter speed to shoot. At this time, use the ND lens to reduce the light entering the lens and you can use a slower shutter to shoot. For example, if you need to shoot outdoors in strong sunlight, or you need to use a longer exposure time under normal light conditions, and shoot waterfalls with a slow shutter speed to show special effects such as blurred water flow, you need an ND lens to ensure that it is not biased. Color, no color cast........
  • - 2 KF's ND filter effectively blocks more light, interferes with the viewfinder, guarantees the quality of picture shooting, and can play a certain dust-proof and waterproof function, which is very suitable for shooting landscapes.
5 Review(s)
$23.99
  • - Wider outer optic to help reduce vignetting at wide angles,Made of high quality optical glass by K&F Concept technology
  • - The K&F Concept Variable Neutral Density filter can take the place of a range of graded ND filters which saves money and time
52 Review(s)
$21.99
  • - 1 The main purpose of using the ND lens is to prevent overexposure. If the light is too bright, it is difficult to choose a slower shutter speed to shoot. At this time, use the ND lens to reduce the light entering the lens and you can use a slower shutter to shoot. For example, if you need to shoot outdoors in strong sunlight, or you need to use a longer exposure time under normal light conditions, and shoot waterfalls with a slow shutter speed to show special effects such as blurred water flow, you need an ND lens to ensure that it is not biased. Color, no color cast........
  • - 2 KF's ND filter effectively blocks more light, interferes with the viewfinder, guarantees the quality of picture shooting, and can play a certain dust-proof and waterproof function, which is very suitable for shooting landscapes.
5 Review(s)
$24.99
3 in 1 86mm Magnetic Filter MCUV+CPL+ND1000 Lens Filter with Magnetic Attachment Ring & Storage Bag
42 % OFF
  • - 1. Quick and easy to install and disassemble. The difference from the threaded filter is that the magnetic filter does not need to be rotated, and can be installed in one second, and there will be no problem of disassembly. The installation of the threaded filter takes at least 6 seconds;
  • - 2. The magnetic suction filter does not need to consider the superimposed filter behind, so it can be made very thin. When using CPL+ND1000 at the same time, the 16MM wide-angle lens will not produce vignetting;
2 Review(s)
$279.99 $161.99
82mm Nano-X Optical Glass Black Soft Filter 1/2 Ultra-Clear Coated With Waterproof Scratch-Resistant and Anti-Reflection Green Film
38 % OFF
  • - The black soft filter of 1.1 can soften the wrinkles, spots, pores, etc. of human skin, and the more delicate, plump, beautiful and hazy movie effects can be better realized. In order to ensure the ultra-high-definition picture quality, the double-throwing grinding process is used to ensure that the High-definition within 550mm focal length;
  • - 2. The top optical glass, the front and back of the lens adopts double-sided multilayer antireflection coating, which can effectively reduce the surface reflection of the filter and avoid problems such as ghosting. The 1/2 black soft standard transmittance is 79%;
1 Review(s)
$129.99 $79.99
67mm, Nano-X, optical glass black soft filter 1 ultra-clear, coated with waterproof, scratch-resistant and anti-reflection green film
38 % OFF
  • - The black soft filter of 1.1 can soften the wrinkles, spots, pores, etc. of human skin, and the more delicate, plump, beautiful and hazy movie effects can be better realized. In order to ensure the ultra-high-definition picture quality, the double-throwing grinding process is used to ensure that the High-definition within 550mm focal length;
  • - 2. The top optical glass, the front and back of the lens adopts double-sided multilayer antireflection coating, which can effectively reduce the surface reflection of the filter and avoid the use of ghosting and other problems. The standard transmission rate of 1 black soft is 74%;
$79.99 $49.99
55mm Soft Graduated ND16 Lens Filter Ultra-Clear Optical Glass Multi-Coated
25 % OFF
  • - 1 When shooting outdoors, the light difference between the sky and the ground is often very different. Due to the limited latitude of the camera's photosensitive component, in this case, it is impossible to take pictures with normal exposure of the sky and the ground at the same time. For the sky to be accurately exposed, the ground will be underexposed and become pitch black; for the ground to be accurately exposed, the sky will be underexposed and become blank. Soft gradient is half-transparent and half-gradient gray, so as to achieve partial area dimming and balance the light ratio, and avoid overexposure of highlights. It is one of the commonly used filters in landscape photography. (Product features: suitable for high contrast between the sky and the ground. If the ground exposure is normal, the sky will be severely overburdened. The soft gradient lens can effectively balance the light ratio and contrast)
  • - 2. The material of the filter is top Japanese optical glass, and the quality is guaranteed, which is the standard for high-quality products. Soft gradient GND16 circular filter, dimming 4 levels (1.2), transmittance is 6.25%, reflectivity is 1.5%, the anti-reflection rate of the same level in the industry is only 2%, and the plastic resin is as high as 4.5%.
$39.99 $29.99
49mm Soft Graduated ND16 Lens Filter Ultra-Clear Optical Glass Multi-Coated
25 % OFF
  • - 1 When shooting outdoors, the light difference between the sky and the ground is often very different. Due to the limited latitude of the camera's photosensitive component, in this case, it is impossible to take pictures with normal exposure of the sky and the ground at the same time. For the sky to be accurately exposed, the ground will be underexposed and become pitch black; for the ground to be accurately exposed, the sky will be underexposed and become blank. Soft gradient is half-transparent and half-gradient gray, so as to achieve partial area dimming and balance the light ratio, and avoid overexposure of highlights. It is one of the commonly used filters in landscape photography. (Product features: suitable for high contrast between the sky and the ground. If the ground exposure is normal, the sky will be severely overburdened. The soft gradient lens can effectively balance the light ratio and contrast)
  • - 2. The material of the filter is top Japanese optical glass, and the quality is guaranteed, which is the standard for high-quality products. Soft gradient GND16 circular filter, dimming 4 levels (1.2), transmittance is 6.25%, reflectivity is 1.5%, the anti-reflection rate of the same level in the industry is only 2%, and the plastic resin is as high as 4.5%.
$39.99 $29.99
  • - 1. The CPL filter effectively eliminates the reflection of the non-metallic surface, thereby improving the image quality of the subject, and increasing the clarity of the picture can effectively increase the saturation of the color. The lens adopts a double-sided polishing process and is used on a telephoto lens. The photos are still clear, high-fidelity, restore the true colors of things;
  • - 2. Quick installation and removal, magnetic filter can be installed in one second
$69.99