- - 【ND & CPL filter 2 in 1】One filter has the ND and CPL filter features, it can not only reduce the amount of light entering the lens but also darken skies, manage reflections as 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.
- - 【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 95mm ND filter,the lens cap/hood should be 105mm. 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.
- - 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
- - 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
- - 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
- - 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
- - 【16.6-Stop Light Reduction】K&F Concept ND100000 Solar Filter is a 16.6-stop light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【28-Layer Nano Coating】This ND100000 solid neutral density filter is made from high quality optical glass with 28-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 【1-5 Stops ND2-ND32 Variable】K&F Concept ND2-ND32 variable filter is intended for long exposure and motion blur techniques in changing light. Reduces light intake from 1 to 5 stops without affecting color balance, suitable for mid-day or mild sun conditions.
- - 【24 Layers of Nano Coated Optical Glass】This ND2-ND32 variable filter, of K&F Concept Nano-Dazzle Series, is made by HD AGC optical glass, a total of 24 multi-layer coatings help repel water and dust, effectively reducing reflection from the filter itself and glare.The surface of the lens is oxidized and sandblasted to effectively prevent stray light from entering and slow down the reflection of the metal surface.
- - The lens is made of top Japanese optical glass, and the lens is coated with 28 layers of nano-coating on both sides, which is waterproof, oil-proof, scratch-proof, and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition, and the sharpness of the image is not damaged.
- - The frame adopts self-locking technology, which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. The frame is equipped with a push rod, which is convenient for customers to adjust the gear size. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools.
- - 【Variable ND Filter】K&F CONCEPT ND2-400 Filter reduce the light from 1 to 9 f-stops.
- - 【Material】Made by Completed Professional Optical Glasses, with double-side multilayer blue coating to help repel water.
- - 【ND & CPL 2 in 1 Lens Filter】K&F Concept combines ND and CPL filters together in one piece of filter, which can not only control the amount of light entering the lens to darken skies, but alow avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The ND & CPL 2 in 1 lens filter's frame adopts self-locking technology and rotates infinitely between 1 and 5 stops (ND2 to ND32), which facilitates the positioning of light reduction. The filter also avoids the phenomenon of producing black crosses.
- - 【ND & CPL 2 in 1 Lens Filter】K&F Concept combines ND and CPL filters together in one piece of filter, which can not only control the amount of light entering the lens to darken skies, but alow avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The ND & CPL 2 in 1 lens filter's frame adopts self-locking technology and rotates infinitely between 1 and 5 stops (ND2 to ND32), which facilitates the positioning of light reduction. The filter also avoids the phenomenon of producing black crosses.
- - 【One-piece dual-purpose lens filter】This filter can adjust the amount of light in 5 stops, there is no X unevenness, as a black diffusion, it can also be adjusted by soft effect and contrast.
- - 【ND Filter & X-Shape Unevenness】 The X-shaped color-proof variable ND filter is equipped with a light intensity lock function. After rotating the adjustment stage from the minimum ND2 to the maximum ND32, the automatic locking function can fix the position of the glass, avoid the uniform angle of the filter, and will not produce X-shaped unevenness.
- - 【7.4mm ultra-thin aviation aluminum frame】 The frame is made of aviation-grade aluminum, and the frame is designed with an ultra-wide-angle structure. The 7.4mm thin frame design ensures that customers will not experience vignetting when using the 16mm wide-angle end. The surface of the frame is designed with a CNC trapezoidal pattern. Consumers can increase friction in a large area when rotating, and install/remove lenses and other accessories anytime, anywhere.
- - 【Ultra-high-definition imaging】 The lens is made of top Japanese optical glass, and the surface is oxidized and sandblasted. It adopts double-sided multi-layer enhanced coating and grinding and polishing technology, which can effectively reduce the reflected light on the surface of the filter. In this way, the glare phenomenon caused by the reflection of the external defense line of the long-exposure lens is greatly reduced, and the ultra-high-definition image quality is ensured.
- - 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%.
- - 【Function】GND8 (GND0.9) Soft Graduated Neutral Density Filter helps manage the lighting condition during golden hours ,balancing the light between ground and sky to achieve better cloud detail & color saturation.
- - 【Information】GND8 filter 3 stop(0.9) , the transmittance is 12.5%, compared with other same products in market (2%-4%) reflectivity K&F GND8 filter reflectivity only 1.25%, better than other products.
- - 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
- - 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
- - 【Information 】The transmittance of K&F Concept ND8 Filter is 12.5%, dimming factor is 0.9, has 3 stops, ultra slim only 3.3mm ND filter means there is no vignetting even in wide-angle lens and telephoto lens.
- - 【Function】The main purpose of ND filter is to avoid overexposure, can use slow shutter to shooting under strong light , ND8 Filter not only can resist too much light but also can protect the lens, hydrophobic and dust-proof.
- - 【20-Stops Light Reduction】K&F Concept ND1000000 Solar Filter is a 20-stops light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【28-Layer Nano Coating】This ND1000000 solid neutral density filter is made from high quality optical glass with 28-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 【Creates Dream Movie Effect】The K&F Concept black mist 1/8 black diffusion filter can soften the wrinkles, freckles and pores of facial skin, making it more delicate, plump and beautiful. The cloudy film effect can be better realized and shows a dreamy effect. Ideal for video recording and portrait photography.
- - 【Japanese AGC Glass】High quality optical glass from Japan with 28-layer nano-coating, reduces lens reflection and eliminates ghosting. The light transmittance is 87%.
- - 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.
- - The lens is made of top Japanese optical glass, and the lens is coated with 28 layers of nano-coating on both sides, which is waterproof, oil-proof, scratch-proof, and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition, and the sharpness of the image is not damaged.
- - The frame adopts self-locking technology, which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. The frame is equipped with a push rod, which is convenient for customers to adjust the gear size. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools.
- - 【ND8-ND2000 Filter Function】Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water. Reconmends it using in sunrise, sunset shooting.
- - 【Premium Material】 Made by import AGC Japanese Optical glass, Rotating between ND8 to ND2000 , adjustable from3/4/5/6/7/8/9/10/11 stops, reduces the amount of enter light without effecting colour balance.
- - The frame is made of brass material, the classic design and CNC integral molding are both rigid and flexible, and the installation is smooth and durable; ultra-thin design, 0.01mm processing accuracy, the frame is highly fitted and the lens is fixed, and it is installed on wide-angle and telephoto lenses without darkening Angle produced;
- - The frame adopts self-locking technology, 1-5 gears for 8K video shooting dimming adjustment, precise gear position. At the same time, the CPL filter is combined to realize the 2-in-1 function.
- - 【Premium Material 】62mm ND1000 filter made by import Japan AGC Optics glass, 0.2% reflectivity, no color cast; Aviation aluminum alloy frame,super slim and lightweight, avoiding vignetting on wide angle lens. Extra tough frame ensuring durability and jamming prevention.
- - 【ND Filter Function】Reduce the amount of light by 10 stops, long-time exposure edge tool can be used to achieve slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
- - * The main purpose of using the ND lens is to avoid overexposure. When the light is too bright, it is difficult to choose a slower shutter speed to take the picture. At this time, use the ND lens to reduce the light entering the lens and you can use a slower shutter speed to shoot. For example, if you need to shoot outdoors in strong sunlight, or in normal light conditions, take a longer time
- - * K&F ND filter effectively blocks more light, interferes with the viewfinder, guarantees the quality of the picture, and can play a certain dustproof and waterproof function, which is very suitable for landscape photography.
- - 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 of the sky and the ground with normal exposure 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 common 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-grade optical glass, and the quality is guaranteed, which is the standard for high-quality products.
- - The new titanium coating technology ensures that the problem of yellowishness of the picture can be effectively solved during the video shooting process, and the true color of the picture can be restored.
- - Grinding and polishing technology is used on both sides of the lens to ensure ultra-high definition without loss of sharpness. The surface is oxidized and sandblasted, which can effectively avoid the entry of stray light and reduce reflection.
- - 【16.6-Stop Light Reduction】K&F Concept ND100000 Solar Filter is a 16.6-stop light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【18-Layer Nano Coating】This ND100000 solid neutral density filter is made from high quality optical glass with 18-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 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.
- - The lens is made of top Japanese optical glass, and the lens is coated with 28 layers of nano-coating on both sides, which is waterproof, oil-proof, scratch-proof, and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition, and the sharpness of the image is not damaged.
- - The frame adopts self-locking technology, which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. The frame is equipped with a push rod, which is convenient for customers to adjust the gear size. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools.
- - The lens is made of top Japanese optical glass, and the lens is coated with 28 layers of nano-coating on both sides, which is waterproof, oil-proof, scratch-proof, and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition, and the sharpness of the image is not damaged.
- - The frame adopts self-locking technology, which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. The frame is equipped with a push rod, which is convenient for customers to adjust the gear size. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools.
- - 【Variable ND Filter】K&F CONCEPT ND2-400 Filter reduce the light from 1 to 9 f-stops.
- - 【Material】Made by Completed Professional Optical Glasses, with double-side multilayer blue coating to help repel water.
- - 【Variable ND Filter】K&F CONCEPT ND2-400 Filter reduce the light from 1 to 9 f-stops.
- - 【Material】Made by Completed Professional Optical Glasses, with double-side multilayer blue coating to help repel water.
- - 【Variable ND Filter】K&F CONCEPT ND2-400 Filter reduce the light from 1 to 9 f-stops.
- - 【Material】Made by Completed Professional Optical Glasses, with double-side multilayer blue coating to help repel water.
- - 【ND & CPL 2 in 1 Lens Filter】K&F Concept combines ND and CPL filters together in one piece of filter, which can not only control the amount of light entering the lens to darken skies, but alow avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The ND & CPL 2 in 1 lens filter's frame adopts self-locking technology and rotates infinitely between 1 and 5 stops (ND2 to ND32), which facilitates the positioning of light reduction. The filter also avoids the phenomenon of producing black crosses.
- - 【ND & CPL 2 in 1 Lens Filter】K&F Concept combines ND and CPL filters together in one piece of filter, which can not only control the amount of light entering the lens to darken skies, but alow avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The ND & CPL 2 in 1 lens filter's frame adopts self-locking technology and rotates infinitely between 1 and 5 stops (ND2 to ND32), which facilitates the positioning of light reduction. The filter also avoids the phenomenon of producing black crosses.
- - The frame is made of brass material, the classic design and CNC integral molding are both rigid and flexible, and the installation is smooth and durable; ultra-thin design, 0.01mm processing accuracy, the frame is highly fitted and the lens is fixed, and it is installed on wide-angle and telephoto lenses without darkening Angle produced;
- - The frame adopts self-locking technology, 1-5 gears for 8K video shooting dimming adjustment, precise gear position. At the same time, the CPL filter is combined to realize the 2-in-1 function.
- - 【Variable ND & CPL filter 2 in 1】One filter has the ND and CPL filter features, it can not only control the amount of light entering the lens to darken skies but also avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The filter framme adopts self-locking technology and rotates infinitely between 1 and 5 stops(ND2-32), which facilitates the positioning of light reduction. It also avoids the phenomenon of producing black crosses.
- - 【Variable ND & CPL filter 2 in 1】One filter has the ND and CPL filter features, it can not only control the amount of light entering the lens to darken skies but also avoid unwanted reflections coming from non-metallic, such as water, and glass. Enhance the color and contrast.
- - 【No “X” Cross on Images】The filter framme adopts self-locking technology and rotates infinitely between 1 and 5 stops(ND2-32), which facilitates the positioning of light reduction. It also avoids the phenomenon of producing black crosses.
- - 【Premium Material 】49mm ND1000 filter made by import Japan AGC Optics glass, 0.2% reflectivity, no color cast; Aviation aluminum alloy frame,super slim and lightweight, avoiding vignetting on wide angle lens. Extra tough frame ensuring durability and jamming prevention.
- - 【ND Filter Function】Reduce the amount of light by 10 stops, long-time exposure edge tool can be used to achieve slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
- - 【7.4mm ultra-thin aviation aluminum frame】 The frame is made of aviation-grade aluminum, and the frame is designed with an ultra-wide-angle structure. The 7.4mm thin frame design ensures that customers will not experience vignetting when using the 16mm wide-angle end. The surface of the frame is designed with a CNC trapezoidal pattern. Consumers can increase friction in a large area when rotating, and install/remove lenses and other accessories anytime, anywhere.
- - 【Ultra-high-definition imaging】 The lens is made of top Japanese optical glass, and the surface is oxidized and sandblasted. It adopts double-sided multi-layer enhanced coating and grinding and polishing technology, which can effectively reduce the reflected light on the surface of the filter. In this way, the glare phenomenon caused by the reflection of the external defense line of the long-exposure lens is greatly reduced, and the ultra-high-definition image quality is ensured.
- - 【Function】GND8 (GND0.9) Soft Graduated Neutral Density Filter helps manage the lighting condition during golden hours ,balancing the light between ground and sky to achieve better cloud detail & color saturation.
- - 【Information】GND8 filter 3 stop(0.9) , the transmittance is 12.5%, compared with other same products in market (2%-4%) reflectivity K&F GND8 filter reflectivity only 1.25%, better than other products.
- - 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
- - 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
- - 【ND3-ND1000 Filter Function】Variable nd1000 is to reduce the amount of light passing through the lens or extend the shooting time when using a large aperture to shoot in places with strong light.
- - 【Premium Material 】Made of high-quality Japanese optical glass, 360 degrees rotating between 1.5 to 10 stops, it can effectively reduce the reflection of the filter surface and avoid image defects.
- - 【Information 】The transmittance of K&F Concept ND8 Filter is 12.5%, dimming factor is 0.9, has 3 stops, ultra slim only 3.3mm ND filter means there is no vignetting even in wide-angle lens and telephoto lens.
- - 【Function】The main purpose of ND filter is to avoid overexposure, can use slow shutter to shooting under strong light , ND8 Filter not only can resist too much light but also can protect the lens, hydrophobic and dust-proof.
- - The new titanium coating technology ensures that the problem of yellowishness of the picture can be effectively solved during the video shooting process, and the true color of the picture can be restored.
- - Grinding and polishing technology is used on both sides of the lens to ensure ultra-high definition without loss of sharpness. The surface is oxidized and sandblasted, which can effectively avoid the entry of stray light and reduce reflection.
- - 【20-Stops Light Reduction】K&F Concept ND1000000 Solar Filter is a 20-stops light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【28-Layer Nano Coating】This ND1000000 solid neutral density filter is made from high quality optical glass with 28-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 【16.6-Stop Light Reduction】K&F Concept ND100000 Solar Filter is a 16.6-stop light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【28-Layer Nano Coating】This ND100000 solid neutral density filter is made from high quality optical glass with 28-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 【11-Stops Variable ND】K&F Concept ND2-ND2000 Filter controls light precisely (ND2 to ND2000) - Tailor light reduction from ND2 (1-stop) to ND2000 (19-stop) to suit a wide range of lighting conditions, providing you with ultimate control over exposure.
- - 【Multi-Coated Premium Optical Glass】Crystal-Clear Imaging with Precision Coating -this ND2-ND2000 filter significantly reduces light dispersion and distortion, contributing to sharper images and truer colors in your photography. Experience exceptional image quality facilitated by 18-layer anti-reflective coating on top-grade optical glass, minimizing reflections and enhancing overall visual clarity.
- - 【16.6-Stop Light Reduction】K&F Concept ND100000 Solar Filter is a 16.6-stop light reduction neutral density filter, mostly used for solar photography and long exposures. With accurate light reduction, the filter will help guarantee color fidelity and sharp results and capture details of the sun.
- - 【28-Layer Nano Coating】This ND100000 solid neutral density filter is made from high quality optical glass with 28-layer of nano coating, which helps reduce filter surface reflection and the ghosting effectively while making the filter anti-scratch, water repellent, oil and dust resistant.
- - 【Import Optical Glass】Crafted from premium Japanese AGC optical glass with an astonishing 28 multi-layer coatings, this ND filter reduces reflections and glare, ensuring superior image quality.
- - 【Waterproof & Scratch Resistant】Equipped with multi-layer hydrophobic, oil-proof, and scratch-resistant coatings on both sides.
- - 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.
- - The lens is made of top Japanese optical glass, and the lens is coated with 28 layers of nano-coating on both sides, which is waterproof, oil-proof, scratch-proof, and anti-fog. The lens adopts grinding and polishing technology on both sides to ensure ultra-high-definition, and the sharpness of the image is not damaged.
- - The frame adopts self-locking technology, which is infinitely rotated by 2-6 steps, which is convenient for light reduction and positioning, and at the same time avoids the phenomenon of black crosses. The frame is equipped with a push rod, which is convenient for customers to adjust the gear size. For users who shoot video, it is helpful to automatically adjust the light reduction gear through auxiliary tools.