10 Best gray filters of 2019

  • 1
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  • Features
    • BRITA STREAM REPLACEMENT FILTER: For Brita Stream pitcher use only, enjoy 1 BPA free Brita Stream replacement filters for always cleaner, great-tasting, filtered water. Height 5.31; Width 2.31; Length/Depth 2.31; Weight .13 pounds
    • FAST & CONVENIENT: Made with filter-as-you-pour technology, Brita Stream water filters allow you to quickly fill up the entire pitcher and immediately pour a great-tasting glass of filtered water
    • BETTER TASTING: Proprietary activated carbon reduces chlorine taste and odor giving you filtered water with no black flecks
    • REDUCE WASTE & SAVE: One BPA free water filter can replace up to 300 standard 16 oz. water bottles
    • EASY INSTALLATION: Change your Brita Stream Filter with 4 easy steps then fill pitcher and pour great-tasting, filtered water instantly. Replace Brita Stream Filter every 40 gallons, about every 2months for the average family
  • 2
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  • Features
    • CLEARYL Smart is designed for the Jura Z6
    • Any machine fitted with the intelligent water system (I.W.S.) recognizes when a filter is inserted
    • The coffee machine will automatically switches to filter mode and starts the rinsing process
    • When the filter capacity is nearly used up the machine prompts the user to change the filter
    • If the filter is not changed, the machine activates descaling mode
  • 3
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  • Features
    • SPACE EFFICIENT: The BPA-Free UltraMax Water Dispenser holds 18 cups or 1.13 gallons of water which is great for families and fits neatly on countertops and refrigerator shelves. Height 10.47"; Width 5.67"; Length/Depth 14.37"; Weight 3 pounds
    • CLEANER AND GREAT TASTING: The Brita standard filter reduces chlorine (taste and odor), copper, mercury, zinc and cadmium impurities found in tap water for cleaner great tasting water for the whole family. *Substances reduced may not be in all users' water
    • FILTER CHANGE REMINDER: A helpful sticker indicator on the water dispenser lets you keep track of when you last changed your water filter and when it needs to be replaced. Replace Brita filters every 40 gallons or every 2 months
    • INSTANT POUR: This large, 18 cup filtered water dispenser has a spigot that makes pouring easy. With the flip top lid, refilling is a breeze
    • REDUCE WASTE & SAVE: One Brita standard water filter can replace 300 standard 16 oz water bottles which saves you money and reduces plastic waste
  • 4
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  • Features
    • Perfect colour neutrality
    • Made from 99.9% pure quartz glass.
    • Very low refractive index of only 1.46
    • Coated with 16 ultra-thin layers for optimum scratches, water and grease resistance
    • Very high light transmission
  • 5
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  • Features
    • Key Features-
    • + Import photos from Gallery, Camera or Facebook!
    • + Organizes your Facebook albums & photos.
    • + Crop image before image editing!
    • + Multiple photo Editing Options
  • 6
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  • Features
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  • 7
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  • Features
    • This Certified Refurbished product is tested and certified to look and work like new, with limited to no signs of wear. The refurbishing process includes functionality testing, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high performance bar may offer Certified Refurbished products on Amazon.
    • Apple iOS 8; 9.7-Inch Retina Display; 2048x1536 Resolution
    • A8X Chip with 64-bit Architecture; M8 Motion Coprocessor
    • Wi-Fi (802.11a/b/g/n/ac): 16 GB Capacity: 2GB RAM
    • 8 MP iSight Camera; FaceTime HD Camera - Up to 10 Hours of Battery Life
  • 8
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  • Features
    • Audio CD
  • 9
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  • Features
    • Ryen Caenn, HCH Darley, George R. Gray
    • Publisher: Gulf Professional Publishing
    • Edition no. 7 (11/16/2016)
    • Hardcover: 748 pages
  • 10
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  • Features
    • Unisex Adult Three Ply Activated Carbon Cotton Warm Fashion Health Cycling Anti-dust Cotton Mouth Face Masks Respirators Unisex Mouth Mask Adjustable Anti Dust Black Cotton Face Mask for Cycling Camping Travel Washable Reusable Mouth Mask Cotton Anti Dust Half Face Mouth Mask for Men Women Dustproof With Adjustable Ear Loops Dust Mask Reusable Can Be Washed- Respirator Cotton Mask Activated Carbon FilterCotton Mask Insert Anti Pollution Mask Mouth Mask Anti Pollution Dust Mask Washable
    • *╹╹* Uses: cycling, hiking, skiing, outdoor sports.✿✿ Carbon Dust Mask Breathing Clean Air Extra Filters Excellent Cycling, Running, No More Exhaust Gas Dustproof Anti Allergy and Pollution,Outdoor Activities Particulate Respirator Mask - Anti Air Pollution Mask Exhalation Valve Washable and Reusable Face Protection Resist Dust Smoke Allergies Men Women Face Mask Disposable Hypoallergenic Protect Yourself from Dust Germs and Pollen Ideal Medical Surgical, Catering Construction Workers
    • *╹╹* Classic styling, feels super soft, windproof breathable excellent, in line with the structure of human head.✿✿ Mask Can Be Washed Reusable Mask One Size Multiple Colors Anti Air Dust and Smoke Pollution Mask Washable Masks with Adjustable Straps, Air Filter Mask for Pollution Smoke Allergy Mask for Women Man Black Mouth Mask Unisex Cartoon Funny Teeth Pattern Three Layers Cotton Half Face Mask Anti-dust Mask Upgraded Sport Air Masks Dust Mask cotton mask funny Anti-dust Face mask
    • *╹╹* LIGHTWEIGHT Comfortably fits under a helmet or hard hat without feeling too bulky.✿✿ Extra Activated Carbon Mask Filter for Exhaust Gas, Pollen Allergy,Half Face Masks Cycling,Running,Hiking, Skiing,Woodworking Military Grade Carbon Activated Anti Dust Face Mouth Cover Mask Respirator Dustproof Anti-bacterial Washable - Reusable Respirator Comfy Dust Mask - Activated Carbon Face Mask with Extra Filter Cotton Sheet for Exhaust Gas, Pollen Allergy,Running, Cycling, Outdoor Activities
    • *╹╹* Please allow 1-3cm error due to manual measurement. Please make sure you do not mind before you bid.✿✿ Dust Mask Anti Air Particulates Pollution Smoke Face Flu Mask Anti Allergy Respirator Breathable Reusable Comfy Cotton Mask Face Mask Best Air Pollution UNIVERSAL FIT Dust Masks Carbon Respirator DustProof Safety Cover Mouth from Gas Exhaust Smoke Pollen Paint Cycling Running For Women Men Kids Full Seal Pollution Mask for Men & Women - Reusable Cotton Air Filter Mask

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

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*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

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  • Perfect colour neutrality
  • Made from 99.9% pure quartz glass.
  • Very low refractive index of only 1.46

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • CLEARYL Smart is designed for the Jura Z6
  • Any machine fitted with the intelligent water system...
  • The coffee machine will automatically switches to filter...

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Audio CD

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Perfect colour neutrality
  • Made from 99.9% pure quartz glass.
  • Very low refractive index of only 1.46

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Key Features-
  • + Import photos from Gallery, Camera or Facebook!
  • + Organizes your Facebook albums & photos.

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • 1/2 28

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • This Certified Refurbished product is tested and certified...
  • Apple iOS 8; 9.7-Inch Retina Display; 2048x1536 Resolution
  • A8X Chip with 64-bit Architecture; M8 Motion Coprocessor

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Audio CD

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Ryen Caenn, HCH Darley, George R. Gray
  • Publisher: Gulf Professional Publishing
  • Edition no. 7 (11/16/2016)

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

  • Unisex Adult Three Ply Activated Carbon Cotton Warm Fashion...
  • *╹╹* Uses: cycling, hiking, skiing, outdoor...
  • *╹╹* Classic styling, feels super soft, windproof...

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

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*Last update on 2019-10-18 / Affiliate links(As an Amazon Associate I earn from qualifying purchases.) / Images from Amazon Product Advertising API

Gray filter advisor

Definition and function

Gray filters, or neutral density filters (ND filters) called, are used in photography and on film and television cameras. An ND filter is a screw attachment for lenses with mounted glass or plastic discs, which should produce an even darkening of the image. This is made possible by a uniform gray coloration of the filter. On gray filters reduces the amount of light falling on the camera sensor by a defined factor. This extends the shutter speed by a few glare levels.

The strength – with reference to the light attenuation – of a gray filter is given by the so-called extension factor. This ranges from 1 to 100,000,000, with 1 permeating 100% of the light and 100,000,000 only 0.000001%. Commercially available ND filters have extension factors of 2, 4 or 8, the corresponding labeling of the filters in these cases would be „ND 2X“, „ND 4X“ and „ND 8X“. The same applies to all other extension factors.

applications

A reduction in the amount of incident light can be useful in many ways. Often come gray filters used when the technical possibilities of the camera or the lens do not allow light reduction. This is the case when the photosensitivity of the camera is too high or the lens can not prevent overexposure by its Abblendmöglichkeiten. Mostly, however gray filters Used to create a motion blur under the same lighting conditions and thus capture the dynamics of a subject. The most well-known examples of such flow and wipe effects are photographs of waterfalls that act as a uniformly soft curtain. Such flow effects due to long exposure times are also often used in architectural photography to eliminate passing people or vehicles from the image. This creates the impression of empty streets and squares without having to shut them off. ND filters also provide the ability to make an object stand out from a blurred background, even with an open aperture. Beyond photography gray filters also used in lighting technology to reduce the light from non-dimmable headlamps as needed.

buying Tips

The higher the above-described extension factor of a filter, the more opaque it is. For amateur photographers, ND 4X filters are usually sufficient to produce good flow effects. However, amateur photographers should put together a set of filters of different strengths to cope with the different lighting conditions and motifs. A major problem is the color shifts with strong filters (such as ND 1000X). Due to the higher exposure time, more light in the infrared range is left through the lens. As a result, the photographs taken often receive a reddish tint. The market already offers some ND filters with a minimal color cast.

The price alone does not necessarily determine the quality of a gray filter. Good filters affect the image and its colors only insignificantly. This can be seen but only in the field test. Only then does it become apparent that the use of an ND filter makes the image taken with a longer exposure time equal to a picture without a filter and a shorter exposure. Here, various reports from photographers and test reports give a very good insight into the different qualities.

Models and manufacturers

The market offers a very wide range of different manufacturers and their models. Among the established manufacturers include LEE, B & W, Singh Ray or Hoya, whose gray filters deliver good optical qualities, but are also more expensive. Thus, the Hoya HMC NDX8 not only offers high-quality and durable processing, but also correspondingly good image results, even if minimal red or blue stings are possible. B & W is one of the more expensive manufacturers. The comparatively high prices are also justified. The B & W gray filter MRC F-PRO offers not only a reduction of six glare levels, but also a blocking of UV radiation.

But there are also more and more cheap manufacturers, such as Haida, Cokin or Hitech. Especially Haida can convince with very good image results and barely noticeable discoloration. For example, the PRO II series MC Neutral neutral density ND1000 is almost unbeatable in its price range and can easily compete with the more expensive manufacturers.

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