How to buy the best nd filter hood?
When you want to find nd filter hood, you may need to consider between many choices. Finding the best nd filter hood is not an easy task. In this post, we create a very short list about top 10 the best nd filter hood for you. You can check detail product features, product specifications and also our voting for each product. Let’s start with following top 10 nd filter hood:
1. 58MM Vivitar UV CPL FLD Filters, Altura Photo ND Filter Set, Collapsible Rubber Lens Hood, Tulip Lens Hood Bundle for Lenses with a 58mm Filter Size
Feature
Kit includes: 58MM Vivitar Filter Kit (Ultraviolet UV, Circular Polarizer CPL, Fluorescent FLD) + 58MM ND Neutral Density Set (ND2, ND4, ND8) + Carry Pouch + 58MM Tulip Flower Lens Hood + 58MM Collapsible Rubber Lens Hood + 58MM Center Pinch Lens Cap + Cap Keeper Leash + MagicFiber Microfiber Lens Cleaning ClothNOTE: This kit is compatible with all 58mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 58 = 58mm lens thread size.
Lens Compatibilities: Popular 58MM Lens models include EF-S 18-55mm f/3.5-5.6 IS II, EF-S 55-250mm f/4-5.6 IS II, EF 50mm f/1.4 USM, EF 75-300mm f/4-5.6 III USM.
Camera Models: CANON Rebel (T6i T6 T6s T5i T5 T4i T3i T2i T1i XT XTi XSi), CANON EOS (750D 760D 650D 600D 550D 500D 450D 400D 350D 300D 7D 60D) and more.
Backed with Digital Goja 90-Day 100% Satisfaction Guarantee.
Description
58mm Altura Photo 3pc. ND Filter Set (ND2 / ND4 / ND8)
- ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes.
- These filters are double threaded allowing additional filters or accessories to be mounted one over the other.
Vivitar 58mm 3 Piece Filter Kit (UV-CPL-FLD).
- UV filters protects your lens from scratches, removes fingerprints and absorbs ultra violet rays, giving sharper contrast to your video and digital images. Diminishes ghosting effect from reflected light.
- CPL filters removes unwanted reflections from non-metallic surfaces such as water or glass Increases color and contrast by redcing reflections from non-metallic surfaces by cutting through haze. Improves clarity of distant objects. Foliage is richer and the skies bluer.
- FLD filters allows camera use under fluorescent lighting. Gives natural light colors when under poor conditions.
58MM Tulip Flower Lens Hood
- Extend to full length for use with a telephoto lens
Collapse midway for wide angle shots.
58MM Collapsible Rubber Lens Hood
- The addition of a lens hood can help prevent flares--those circles of light that can accompany images where a strong light source is just outside the frame.
- Professional tulip shape design (also known as 'flower' or 'petal' shape) allows for greater versatility.
58mm Center Pinch Lens Cap and Cap Keeper
MagicFiber Premium Microfiber Cleaning Cloth
- Ultra gentle! Extremely fine microfiber leaves zero scratches, streaks or marks. Safe for all lenses.
- Size: 6 x 7 inches (15cm x 18cm).
2. 58MM Complete Lens Filter Accessory Kit (UV, CPL, FLD, ND2, ND4, ND8 and Macro Lens Set) for Canon EOS Rebel T7i SL2 T6i T6s T6 T5i T5 T3i 80D 77D 70D 60D Cameras
Feature
Kit includes: 58MM Vivitar Filter Kit (Ultraviolet UV, Circular Polarizer CPL, Fluorescent FLD) + 58mm Altura Photo 4 Piece Close-Up Lens Set (+1,+2,+4,+10) + 58MM Altura Photo ND Neutral Density Set (ND2, ND4, ND8) + Carry Pouch + 58MM Tulip Flower Lens Hood + 58MM Collapsible Rubber Lens Hood + 58MM Center Pinch Lens Cap + Cap Keeper Leash + MagicFiber Microfiber Lens Cleaning ClothNOTE: This kit is compatible with all 58mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 58 = 58mm lens thread size.
Popular 58MM thread Lens models include EF-S 18-55mm f/3.5-5.6 IS II, EF-S 55-250mm f/4-5.6 IS II, EF 50mm f/1.4 USM, EF 75-300mm f/4-5.6 III USM and more
Camera Models: Canon Rebel T7i T6i T6 T6s T5i T5 T4i T3i SL2 SL1, Canon EOS (1200D0D 750D 760D 650D 600D 550 110D 500D 450D 400D 350D 300D 7D 60D and more.
Backed with DigitalGoja 90-Day 100% Satisfaction Guarantee.
Description
- 58mm Altura Photo 3pc. ND Filter Set (ND2 / ND4 / ND8)
- ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field.
- These filters are double threaded allowing additional filters or accessories to be mounted one over the other.
- 58mm Altura Photo Close-Up Filter Kit (+1,+2,+4,+10)
- Kit includes 4 close up filters of increasing magnification.
- These filters are double threaded allowing additional filters, lenses, or attachments to be mounted on top.
- Vivitar 58mm 3 Piece Filter Kit (UV-CPL-FLD).
- UV filters protects your lens from scratches, removes fingerprints and absorbs ultra violet rays, giving sharper contrast to your video and digital images.
- CPL filters removes unwanted reflections from non-metallic surfaces such as water or glass Increases color and contrast by redcing reflections from non-metallic surfaces by cutting through haze.
- FLD filters allows camera use under fluorescent lighting. Gives natural light colors when under poor conditions.
- 58mm Rubber Lens Hood
- Extend to full length for use with a telephoto lens
- Collapse midway for wide angle shots.
- Universal 58mm Camera Lens Hood.
- The addition of a lens hood can help prevent flares--those circles of light that can accompany images where a strong light source is just outside the frame.
- Professional tulip shape design (also known as 'flower' or 'petal' shape) allows for greater versatility.
- 58mm Center Pinch Lens Cap and Cap Keeper
- MagicFiber Premium Microfiber Cleaning Cloth
- Size: 6 x 7 inches (15cm x 18cm).
3. Neewer Complete ND Filter Kit for Cokin P Series: (8) ND Filters(Full ND2 ND4 ND8 ND16; Graduated G.ND2 G.ND4 G.N8 G.ND16)+(9) Adapter Rings+(2) Square Filter Holder+(2) Lens Hood+(1) Filter Pouch
Feature
Neewer Complete ND Filter Kit for Cokin P Series.(8)Neutral Density ND Filter SetFull ND2 ND4 ND8 ND16; Graduated G.ND2 G.ND4 G.N8 G.ND16. The filters are made of high quality plastic.
(9)Metal Adapter Ring (49mm/52mm/55mm/58mm/62mm/67mm/72mm/77mm/82mm)
(2)Square Filter Holder + (2)Square Lens Hood
(1)Filter Carrying Pouch has clear inner lining for quick and easy access.
Description
(8)Neutral Density ND Filter Set
-ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color.Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes.
-Graduated ND filters provide a gradual color transition for a smooth blending effect. Give your landscape and skin texture a more colorful touch. Perfect for changing the mood of a picture.
-ND filters are one of the least expensive and most effective ways to dramatically improve your shots.
(9)Adapter Ring
-Compatible with Cokin P series filter system.
-Specifically designed for your camera for a tight and secure fit.
-Material: Metal
(2)Square Filter Holder
-To use the square filter holder, an adapter ring must first be mounted on your lens. Slide the filter holder onto the ring adapter until it snaps into place.
(2)Square Lens Hood
-Lens hoods are designed to prevent flares--those circles of light that can accompany images where a strong light source is just outside the frame.
-Easily mounts onto your filter-holder by pressing on the upper and lower parts of the lens hood.
4. Beschoi 55mm 6pcs High-Precision Slim Neutral Density Filter Lens Filter Kit (UV + FLD + ND4) + Graduated Color Filter for Nikon Canon DSLR Cameras with Lens Hood + Lens Cap + Filter Pouch
Feature
Package includes: Beschoi 55mm ND Filter (ND2 ND4 ND8) + Slim Graduated Color Lens Filter ( Blue Orange Gray )+ Microfiber Lens Cleaning Cloth + Flower Petal Lens Hood + Center Pinch Lens Cap + Filter PouchGraduated Color Filter:Mounted on rotating frame, shooting angle adjustable. Perfect for changing the mood of a picture. Great for photographing the sky, the sunset, the rosy cloud, the lake water, etc. Ultra slim 5mm frame made of aircraft grade magnalium, helps to avoid vignetting
ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds. Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes.
The filters are double-threaded, so you can stack your lens cap and other accessories as needed. Great for portraiture and outdoor scenes in strong sunlight.
Compatible with the Sony A37 A55 A57 A65 A77 A100 with 55MM Lens which includes: DT 18-55mm f/3.5-5.6 SAM, DT 55-200mm f/4-5.6 SAM.
Description
Why Choose Beschoi?We are Professional optical lens manufacturer.
Made of import optics glass and resin,top level of transmittance.
Premium Picked up Product. Shop with Guarantee.
Made of metal sealing ring, much tighter. Laser fonts, much durable.
Filter Feature:
ND2 ND4 ND8 Neutral Density Filters
These filters are double threaded allowing additional filters or accessories to be mounted one over the other.
Made of high quality optical materials.
ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color.
Slim Graduated Color Filter (Blue,Orange,Gray)
Imported resin lens.Mounted on rotating frame, shooting angle adjustable
Superfine frame polished with strict surface treatment
Package included:
3 * Slim Graduated Color Filter (Blue,Orange,Gray)
3 * ND Filter(ND2 ND4 ND8)
1 * 6-slot Filter Pouch
1 * Lens Cap
1 * Lens Hood
1 * Microfiber Cloth
NOTE: This kit is compatible with all 55mm lenses ONLY,Please verify your cameras's lens thread size before ordering .This number is always preceded by a ""(diameter) symbol.
5. Neewer 49MM Professional UV CPL FLD Lens Filter and ND Neutral Density Filter(ND2, ND4, ND8) Accessory Kit for Sony Alpha A3000 and The NEX Series Cameras
Feature
Kit includes: (1)49MM Filter Kit (Ultraviolet UV, Circular Polarizer CPL, Fluorescent FLD) + (1)49MM ND Neutral Density Set (ND2, ND4, ND8) + (2)Carry Pouch + (1)49MM Tulip Flower Lens Hood + (1)49MM Rubber Lens Hood + (1)49MM Snap-on Lens Cap + (1)Cap Keeper LeashCompatible with Sony Alpha A3000 and the NEX series (NEX-3 NEX-5 NEX-5N NEX-6 NEX-7 NEX-F3) cameras with the 18-55mm, 55-210mm, 50mm, 16mm, 30mm lenses or any other lens with a 49mm thread
Also compatible with Canon EF 50mm f/.1.8 STM Lens
This kit is compatible with all 49mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 49 = 49mm lens thread size
Note: The camera is not included
Description
Note:
1.This kit is compatible with all 49mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 49 = 49mm lens thread size
2.The camera is not included
Descriptions:
(1) ND Filter Set (ND2 / ND4 / ND8)
ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color.
(1)49mm 3 Piece Filter Kit (UV-CPL-FLD)
UV filters protect your lens from scratches, remove fingerprints and absorbs ultra violet rays, giving sharper contrast to your video and digital images.
CPL filter remove unwanted reflections from non-metallic surfaces such as water or glass Increases color and contrast by redcing reflections from non-metallic surfaces by cutting through haze.
FLD filters allow camera use under fluorescent lighting. Give natural light colors when under poor conditions.
(1)Professional 49mm Rubber Lens Hood
Extend to full length for use with a telephoto lens
Collapse midway for wide angle shots.
(1)49mm Tulip Flower Camera Lens Hood
The addition of a lens hood can help prevent flares--those circles of light that can accompany images where a strong light source is just outside the frame.
Package Contents:
1 x 49MM Filter Kit (Ultraviolet UV, Circular Polarizer CPL, Fluorescent FLD)
1 x 49MM ND Neutral Density Set (ND2, ND4, ND8)
2 x Carry Pouch
1 x 49MM Tulip Flower Lens Hood
1 x 49MM Rubber Lens Hood
1 x 49MM Snap-on Lens Cap
1 x Cap Keeper Leash
6. Neewer 52MM Lens Filter Kit:UV, CPL, FLD, ND2, ND4, ND8 and Lens Hood, Lens Cap for NIKON D7100 D7000 D5200 D5100 D5000 D3100 D3000 D90DSLR Cameras
Feature
NOTE: This kit is compatible with all 52mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "?" (diameter) symbol. For example: ?52 = 52mm lens thread size.Includes: 52MM Filter Kit (Ultraviolet UV, Circular Polarizer CPL, Fluorescent FLD) + 52MM ND Neutral Density Set (ND2, ND4, ND8) + Carrying Pouch + 52MM Collapsible Rubber Lens Hood + 52MM Snap-On Lens Cap + Cap Keeper Leash
Also compatible with the PENTAX (K-30 K-50 K-5 K-5 II) DSLR Cameras. 18-55mm F3.5-5.6 AL zoom Lens.
Also compatible with the Canon EF 50mm f/1.8 II and the EOS M Compact System Mirrorless Camera EF-M 18-55mm IS STM zoom lenses.
Description
52mm 3pc. ND Filter Set (ND2 / ND4 / ND8)
ND filters (Neutral Density) reduce the amount of light reaching the film without affecting the color. Can be used to enable slower shutter speeds.
Also can be used to better separate subjects from the background by allowing wider apertures, effectively decreasing depth of field. Great for portraiture and outdoor scenes.
These filters are double threaded allowing additional filters or accessories to be mounted one over the other.
52mm 3 Piece Filter Kit (UV-CPL-FLD)
UV filters protects your lens from scratches, removes fingerprints and absorbs ultra violet rays, giving sharper contrast to your video and digital images. Diminishes ghosting effect from reflected light.
CPL filters removes unwanted reflections from non-metallic surfaces such as water or glass Increases color and contrast by redcing reflections from non-metallic surfaces by cutting through haze. Improves clarity of distant objects. Foliage is richer and the skies bluer.
FLD filters allows camera use under fluorescent lighting. Gives natural light colors when under poor conditions.
Professional 52mm Rubber Lens Hood
Extend to full length for use with a telephoto lens
Collapse midway for wide angle shots.
Universal 52mm Camera Lens Hood
The addition of a lens hood can help prevent flares--those circles of light that can accompany images where a strong light source is just outside the frame.
Professional tulip shape design allows for greater versatility
52mm Snap-On Lens Cap and Cap Keeper
Note: Professional accessory kit only, camera not included!
7. BiG DIGITAL Complete ND Neutral Density Filter Set, Compatible with Cokin P Series, Includes: Graduated ND2, ND4, ND8, and Full ND2, ND4, and ND8 Filters + square filter holder + square lens hood + nine sizes adapter rings+ six pocket wallet style case for the filters, compatible with all of the following lens thread size: 49mm 52mm 55mm 58mm 62mm 67mm 72mm 77mm and 82mm.
Feature
Filter System is made for photo and video cameras. The filter is placed in front of the camera lens to modulate the quantity of light that reach the sensor in order to modify colors, contrast, saturation, shutter-speed, depth-of-field and such parameters.This is a Complete ND set includes: Graduated ND2 ,ND4, ND8 filters. Full ND2, ND4, ND8 filters, one square filter holder, one square lens hood, nine sizes adapter rings: 49mm 52mm 55mm 58mm 62mm 67mm 72mm 77mm and 82mm to fit most lenses. This kit also includes a six pocket wallet style case to hold the ND filters.
These filters are compatable with the Cokin P series.
ND filters reduce the amount of light reaching the film without affecting the color.
BiG Digital brand.
Description
This Complete ND Filter Set includes everything you would need to use the ND Filters and to capture the most beautiuful creaive snapshots. To use the Neutral Density Filters to enhance your photos, you would need to mount an adapter ring to your lens. This BiG Digital kit includes most standard adapter rings in sizes. When the adapter ring is on your lens you would slide the provided filter holder onto the ring adapter until it snaps into place. The filter holder can hold up to 3 filters at the same time allowing for creative use of light correction or special effects. Then you would attach the included lens hood which easily mounts onto you filter-holder by pressing on the upper and lower parts of the lens hood. This lens hood is also designed to work with Cokin P Series filter sets, its Stackable design allows you to attach several of these lens hoods on top of each other, depending on the focal length of your lens. When everything is set your camera is ready for the most creative snapshot!!8. XCSOURCE Complete Square Kit Filter for Cokin P Series Bundle with Filter Holder and Lens Hood LF141 (16 Items)
Feature
Control light and colour directly on your raw images at the time of shooting;Keep the quality of your images without excessive post production work;
Create specific effects saving time on your computer.
Same filter for all your lenses by just replacing the adaptor ring.
Rotate, slide, decentre in all directions for more precision and creativity.
Description
Package includes:
1x ND2 Filter 1x G.ND2 Filter
1x ND4 Filter 1x G.ND4 Filter
1x ND8 Filter 1x G.ND8 Filter
1x ND16 Filter 1x Sunset Filter
1x Blue Filter 1x Graduated Blue Filter
1x Orange Filter 1x Graduated Orange Filter
1x Brown Filter 1x Graduated Brown Filter
1x Pink Filter 1x Graduated Pink Filter
1x Red Filter 1x Graduated Red Filter
1x Green Filter 1x Graduated Green Filter
1x Yellow Filter 1x Graduated Yellow Filter
1x Purple Filter 1x Graduated Purple Filter
2x 12 slot Case
9pcs Ring Adapter + 2pcs Filter Holder + 2pcs Lens Hood + 3pcs Cleaning Cloth
49mm Ring Adapter x1
52mm Ring Adapter x1
55mm Ring Adapter x1
58mm Ring Adapter x1
62mm Ring Adapter x1
67mm Ring Adapter x1
72mm Ring Adapter x1
77mm Ring Adapter x1
82mm Ring Adapter x1
3 Slots Filter Holder x2
Lens Hood x2
Cleaning Cloth x3
Filter Dimension: 84mm * 95mm
Focal Lengths: 48/49/52/55/58/62/67/72/77/82mm
9. 55mm Lens Accessories Kit w/ 55mm ND Filters Kit, 55mm Lens Hood, 55mm UV Filter, 55mm Lens Cap + Camera cleaning kit for all Lense and Cameras with a 55mm Lens thread.
Feature
55MM ND FILTERS - Includes a set of 3 55mm ND Filters (ND2 ND4 ND10) the filters work as sun glasses for a lens filtering out sunlight and unnatural colors from photos and videos. ND Filter kit comes with a protective folding wallet case.55MM LENS THREAD - The 55mm Lens Accessories are only Compatible with lenses that have a 55mm Lens Thread including Sony FE 50mm F2.8 Macro, Sony DT 18-55mm F3.5-5.6 SAM II, Canon EF-M 18-150mm F3.5-6.3 IS STM, Nikon AF-P DX Nikkor 18-55mm F3.5-5.6G VR See below description for a more elaborate list.
55MM HARD LENS HOOD - 55mm Hard Lens Hood Fits on all Nikon lenses and Cameras with a 52mm Lens Thread.
55MM UV FILTER - The 55mm UV Filter serves both as a lens protector and for removing Ultra Violet light when shooting pictures in a sunny setting.
LENS CAP & LENS CAP KEEPER - 55mm Kit includes a squeeze pinch lens cap and a convenient lens cap keeper that prevents losing the lens cap + Cleaning blower and pen + a HeroFiber ultra gentle cloth that is specially designed to clean electronics and accessories.
Description
55mm Accessories KIT For Nikon Cameras Included is a 3 Piece 55mm ND Filter set (ND2 ND4 ND10) + 55MM Hard Lens Hood + 55mm UV Protection Filter + 55mm Lens Cap and a lens cap keeper + Cleaning blower and pen + HeroFiber ultra gentle cleaning cloth. All accessories are compatible with all Lenses and Cameras with a 55MM Lens Thread.NOTE: Please verify the size of your lens thread prior to purchasing
55mm Lens Accessories are compatible with the following lenses and ALL Lenses and Cameras with a 55mm Lens Thread.
Sony
Sony FE 50mm F2.8 Macro
Sony Vario-Tessar T* E 16-70mm F4 ZA OSS
Sony DT 18-55mm F3.5-5.6 SAM II
Canon
Canon EF-M 18-150mm F3.5-6.3 IS STM
Canon EF-M 11-22mm f/4-5.6 IS STM
Nikon
Nikon AF-P DX Nikkor 18-55mm F3.5-5.6G VR
Nikon 1 Nikkor VR 10-100mm f/4.5-5.6
HEROFIBER CLOTH - Included is a HeroFiber ultra gentle cloth that is specially designed to clean electronics and accessories.
10. Beschoi 58MM Neutral Density ND Filter Set (ND2 ND4 ND8) Camera Lens Filter Accessory Bundle Includes Lens Hood, Center Pinch Lens Cap, Cap Keeper, Lens Cleaning Pen, Filter Pouch, Cleaning Cloth
Feature
1.Kit includes: 58mm Beschoi Filter Kit (Neutral Density ND2,Neutral Density ND4,Neutral Density ND8) +Petal Lens Hood + Collapsible Rubber Lens Hood + Center Pinch Lens Cap + Cleaning Cloth + Cleaning Pen + Cap Keeper + Filter Pouch Bag2.ND2,ND4,ND8 filters are made of optical resin. Metal sealing ring instead of the plastic sealing ring, better tightness, avoids fall or loose. Ultra thin filter frame to help avoid vignetting on super wide angle lenses, also designed to hold a lens cap
3.Lens Compatibilities: Popular 58MM Lens models include EF-S 18-55mm f/3.5-5.6 IS II, EF-S 55-250mm f/4-5.6 IS II, EF 50mm f/1.4 USM, EF 75-300mm f/4-5.6 III USM.
4.Camera Models: CANON Rebel (T6i T6 T6s T5i T5 T4i T3i T2i T1i XT XTi XSi), CANON EOS (750D 760D 650D 600D 550D 500D 450D 400D 350D 300D 7D 60D) and more.
5.Notes: This Kit is compatible with all 58mm lenses. Please verify your camera's lens thread size before ordering. Your camera's lens thread size will be marked somewhere on the lens barrel or printed underneath your lens cap. This number is always preceded by a "" (diameter) symbol. For example: 58 = 58mm lens thread size. Backed with Beshcoi 90-Day 100% Satisfaction Guarantee.
Description
ND Filter
Neutral Density Filters have several uses and offer the possibility to achieve otherwise unachievable results.
They enable the shooter to adjust exposure without affecting color balance.
ND filters appear gray and reduce the amount of light reaching the film.
Features:
Increase Exposure Length
Neutral Density 0.6, 0.9, 1.2 Filter
Optical Plastic/Glass with high transmittance
Slim Frame,made of aircraft grade magnalium
Functions:
Reduces the amount of light reaching the film without affecting the color.
Applies slow shutter speed under strong sunlight exposure.
Allows wider apertures,effectively decreasing depth of field.
ND2 reduces the intensity by one degree; ND4 reduces two,and ND8 three.
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