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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.


  • - 【Original Design-Super-Diameter & Ultra-Slim 】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Filter holder can holder both cpl and nd1000 filters. Holder thickness 12mm, 91mm large clear aperture. Effectively reduce the chance of vignetting when using an ultra-wide-angle lens. ultra slim frame and large diameter ensures no vignetting on wide-angle lens, rear cpl design for convenient install and remove.
  • - 【Kit Includes 】Filter holder + ND8 filter(3-Stop) +ND64 filter(6-Stop) + ND1000 filter(10-Stop)+ CPL filter +4 * adpter rings(67mm/72mm/77mm/82mm)+ Leather filter pounches.
10 Review(s)
$289.99
100x100mm Square Filter Kit ND1000 Square Filter + Metal Filter Holder + 8pcs Adapter Rings for DSLR (SN25T1)
HOT Seller
  • - The Square filter kit includes 1x ND1000 filter + 1x metal filter holder + 8 x filter adapter rings + 1x filter case.
  • - Neutral density filter is made by import optical Japanesr AGC glass, which 28 multi-layer coatings,waterrpoof , scratch resistant fit for the rigors of adventure photography.
90 Review(s)
$162.48 $72.99
Square Filter Kit 100mm ND1000 + 150mm GND8 + Metal Square Filter Holder Set
HOT Seller
  • - 【Kit Includes】 This square filter set includes 1x ND1000 Filter + 1x Soft GND8 Filter + 1x Metal Filter Holder + 2 x Filter Carry Case + 8 x Filter Adapter Rings (49mm/52mm/58mm/62mm/67mm/72mm/77mm/82mm).
  • - 【ND Filter Function】 ND1000 filter: 100x100mm super slim and only 47.5g, has 10 stops (3.0), the main advantage of the square ND1000 filter can prevent overexposure and prevent excess light from entering the lenses when shooting; Soft GND8 filter: 100x150mm, has 3 stops (0.9), for shooting while the sky and the floor have a great contrast of light, balancing the light.
85 Review(s)
$415.97 $159.99
XV37 67mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32 for Camera Lens NO X Spot,Nanotec,Ultra-Slim,Weather-Sealed
60 % OFF
  • - 【Material】 ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance.For this 67mm ND filter,the lens cap/hood should be 72mm. Because of the update of the product's package, the new and the old version will be sent randomly.
  • - 【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.
58 Review(s)
$137.48 $54.99
XV37 82mm Fader ND Filter Neutral Density Variable Filter ND2 to ND32 for Camera Lens NO X Spot,Nanotec,Ultra-Slim,Weather-Sealed
57 % OFF
  • - 【Material】 ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. filter reduces the intake of light without affecting the overall color balance.For this 82mm ND filter,the lens cap/hood should be 86mm. Because of the update of the product's package, the new and the old version will be sent randomly.
  • - 【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.
72 Review(s)
$149.48 $64.99
K&F XC15 67mm Circular Polarizers Filter,18 Layer Super Slim Multi Coated CPL
55 % OFF
  • - 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.
14 Review(s)
$127.58 $57.99
  • - 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)
$79.99
  • - 【Original Design-Super-Diameter & Ultra-Slim 】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Filter holder can holder both cpl and nd1000 filters. Holder thickness 12mm, 91mm large clear aperture. Effectively reduce the chance of vignetting when using an ultra-wide-angle lens. ultra slim frame and large diameter ensures no vignetting on wide-angle lens, rear cpl design for convenient install and remove.
  • - 【Kit Includes 】Filter holder + ND1000 filter(10-Stop) + CPL filter +4 * adpter rings(67mm/72mm/77mm/82mm)+ Leather filter pounches.
12 Review(s)
$149.99
  • - 【Original Design-Super-Diameter & Ultra-Slim 】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Filter holder can holder both cpl and nd1000 filters. Holder thickness 12mm, 91mm large clear aperture. Effectively reduce the chance of vignetting when using an ultra-wide-angle lens. ultra slim frame and large diameter ensures no vignetting on wide-angle lens, rear cpl design for convenient install and remove.
  • - 【Kit Includes 】Filter holder + ND1000 filter (10-Stop) + Soft GND8 Filter + CPL filter +4 * adpter rings(67mm/72mm/77mm/82mm)+ Leather filter pounches.
10 Review(s)
$259.99
  • - 【ND Filter Function】The Variable ND filter main function is to reduce the entry of light without affecting the overall colour balance, for long exposure and motion blur techniques in changing light.
  • - 【No X Cross & frame self-locking technology】Say goodbye to the "X" cross on images with K&F peak technology. The filter will stop when rotating to Mini (ND32) or Max (ND512).
35 Review(s)
$139.99
77mm Variable Fader ND2-ND32 ND Filter and CPL Circular Polarizing Filter 2 in 1 for Camera Lens No X Spot Weather Sealed
57 % OFF
  • - 【ND & CPL filter 2 in 1】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.
47 Review(s)
$195.48 $84.99
58mm ND8 (3 Stop) ND Lens Filter HD Fixed Neutral Density Filter with 18 Layer Double Side Coated Ultra Slim Nano-X Series for Camera Lens
50 % OFF
  • - 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.
33 Review(s)
$36.61 $18.31
55mm ND Fader Variable Neutral Density Adjustable ND Filter ND2 to ND400 for Canon Nikon DSLR Cameras + Lens Cleaning Cloth
58 % OFF
  • - Kit Includes: 55MM K&F Concept Filter Kit (ND2 to ND400) + Lens Cleaning Cloth for Canon 7D 700D 600D 70D 60D 650D 550D for Nikon D7100 D80 D90 D7000 D5200 D3200 D5100 D3200 D5300 DSLR Cameras
  • - 【Material】 55MM Variable ND Filter: Made by Completed Professional Optical Glasses instead of Optical Resin. Microfiber: This Professional Microfiber is made of Japanese Raw Material, very soft and easy to clean lens, filters,glasses and mobile, etc.
200 Review(s)
$47.98 $19.99
  • - 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.
33 Review(s)
$18.99
  • - 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)
$139.99
  • - 【Preuime Material】Made by TPU material , stain resistant not easy to stain, easily for carrying and cleaning.
  • - 【Convenient】Directly install on filter , no need to screw on it, take off it fast, protecting lens filter from all round.
29 Review(s)
$14.99