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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.


Square Filter Holder System Pro Kit (Filter Holder + 95mm Circular Polarizer + Square ND1000 Filter + ND8 + ND64 + 4 Filter Adapter Rings) for Camera
TOP Best
  • - 【Original Design-Super-Diameter & Ultra-Slim 】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. The filter holder can hold 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 ensure no vignetting on a wide-angle lens, rear CPL design for convenient install and removal. Photography Gear for Valentine's Day Shoot.
  • - 【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.
21 Review(s)
$289.99
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.
86 Review(s)
$152.99
72mm MCUV+CPL+ND1000+Adapter Ring Magnetic 4 in 1 Lens Filter Kit Waterproof Scratch-Resistant Anti-Reflection with Filter Pouch
HOT Seller
  • - 【Kit Includes】This filter kit includes MCUV+CPL+Neutral Denstiy ND1000+ Magnetic Adapter Ring + Filter Pouch.
  • - 【1 Second Swap & Install】 This magnetic lens filter kit could finish installed in less than one second compared with conventional thread filter. Avoided frozen hands in cold weather and never miss any wonderful moment. Combination Way 1:Magnetic Adapter Ring + CPL+ ND1000. Combination Way 2; MCUV+CPL+ND1000.
20 Review(s)
$101.99
77mm ND2-ND32 (1-5 Stop) Variable ND Filter and CPL Circular Polarizing Filter 2 in 1 for Camera Lens No X Spot Weather Sealed
HOT Seller
  • - 【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.
78 Review(s)
$80.99
72mm  Black Mist Filter 1/4 Special Effects Filter Ultra-Clear Multi-layer Coated With Waterproof Scratch-Resistant and Anti-Reflection Nano-X Series
HOT Seller
  • - 【Professional Filter for Portrait Photography】 This K&F Concept black soft 1/4 filter could soften the wrinkles, freckles and pores of facial skin, making it more delicate, plump and gorgeous. The hazy film effect can be better realized, showing dreamily film effect. In order to ensure the ultra-high definition image quality, the double polishing process is adopted to ensure the high definition within 550mm focal length.Reconmending use it in video shooting.Photography Gear for Valentine's Day Shoot.
  • - 【28 Multi-Layer Coatings】 After optical grinding, the glass filter is coated with high-tech film. waterproof, scratch resistant and oil proof. It has the characteristics of hard scraping without any influence on the image quality. Even if it is contaminated with water droplets or oil, which can be easily removed and cleaned.
43 Review(s)
$41.99
49mm Magnetic Black Mist Filter 1/4 Special Effects Filter HD Multi-layer Coated, Waterproof/Scratch-Resistant/ Anti-Reflection, Nano-X Series
HOT Seller
  • - 【1 Second Swap & Install】K&F Concept magnetic lens filter could finish installed in less than one second compared with conventional thread filter. Avoided frozen hands in cold weather and never miss any wonderful moment.
  • - 【28 Multi-Layer Coatings】All filters are made of import AGC High Definition Premium Optical glass, double-side multicoated, no chromatic aberration (color shift) hydrophobic,scratch-resistant, oil proof. Provides you a perfect photography experience, protecting your lens from all around.
10 Review(s)
$67.90
  • - 【6 Pack Filters】Kits include UV+CPL+ND8+ND16+ND32+ND6, paddles. Compatible with Mavic Mini/Mini 2/SE.
  • - 【Functions】UV filter: protect the lens and improve the clarity; CPL filter: suppress the reflection of non-metallic surfaces; ND filter: weaken the amount of light passing through the lens to reduce the amount of exposure.
24 Review(s)
$53.99
  • - 【Original Design-Super-Diameter & Ultra-Slim】K&F Concept Pro Square Filter System won the iF DESIGN AWARD and Red Dot Design Award. Unique Square Filter Frame with 95MM CPL, holder thickness 12mm, easy to take, no light leakage. Effectively reduce the chance of vignetting when using an ultra-wide-angle lens. The ultra-slim frame and a large diameter ensure no vignetting on a wide-angle lens and rear CPL design for convenient installation and removal.
  • - 【CPL Filters Function】Allow you to remove reflections from non-metallic surfaces, such as water and glasses, also in color and contrast enhancement, especially for the blue sky and white clouds.
$119.99
  • - 【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
Square ND8 Lens Filters (0.9/3 Stops), 100 * 100mm Neutral Density Full Color ND Square Filter Slim Optical Glass MRC Coating Waterproof
HOT Seller
  • - SN22 ND8 square filter provides 3 f-stop reductions,With only 2.3mm thickness,No Color Cast and is made with premium Japanese Optics glass.
  • - Double Thread,20-layer multi-resistant coating technology significantly reducing lens flare and ghosting while making the filter anti-scratch, water repellent, oil & dust resistant fit for the rigors of adventure photography.
13 Review(s)
$51.99
  • - Light pollution doesn't only adversely affect the quality of night-time city and architectural photographs but also scientific astrophotography in urban areas. K&F Concept Round Filter helps to reduce the unwanted effect of light pollution, giving photographs more contrast and clarity as a result.
  • - K&F Concept Natural Night Filters made of double side Nano-Coating use waterproof and scratch-resistance technology ,bring the high-quality definition, low-reflection and no Vignetting.
3 Review(s)
$90.99
  • - 【Premium Quality Glass】The Polarizing Filter is made of the best Japanese optical glass with almost zero light distortion. Featured with top level of filter function, effectively eliminate harmful reflective light.
  • - 【Double Coated】Adopted 28-Layer multi-resistant double coating technology, the green coating helps effectively reduce filter surface reflection and the ghosting while making the filter anti-scratch, water repellent, oil and dust resistant.
2 Review(s)
$62.99
  • - 【Function】: K&F Concept graduated Neutral Density (ND) Filters allow you to reduce the amount of light reaching the sensor on a portion of your picture. This helps control the exposure difference between Highlights and Shadows for a more balanced exposure and dramatic effect.
  • - 【28-Layer Nano Coating】: 28-Layer super anti-reflection multi-coated(water repellent/anti-oil/anti-dust/anti-soil/scratch resistant) Coating Technology to withstand almost any conditions.
3 Review(s)
$89.99
  • - ND64 square filter provides 6 f-stop reductions, With only 2.3mm thickness, No Color Cast, and is made with premium Japanese Optics glass.
  • - Double Thread,20-layer multi-resistant coating technology significantly reducing lens flare and ghosting while making the filter anti-scratch, water repellent, oil & dust resistant fit for the rigors of adventure photography.
26 Review(s)
$51.99
72mm Variable ND Filter ND2-ND400 (9 Stop) Lens Filter Waterproof Scratch Resistant Nano-X Series
HOT Seller
  • - Putter Design to Adjust 9 Stops - Designed with a putter, K&F Concept variable ND filter can be adjusted by 9 stops from ND2 to ND400. Each stop is marked on frame conveniently for 360° rotated to adjust the stop, multi-scene application.
  • - Optical Glass Construction for Clarity - This ND filter is made of Japan-made top optical glass, effectively reduced reflection from the filter itself and glaring, ensuring a high-quality image and does not affect your images in any way.
23 Review(s)
$62.99
  • - 【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.
74 Review(s)
$80.99