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Specifications:
- This Blue Filter is 100% brand new & high quality filter for Cokin P series
- Gradual filter is a MUST HAVE for digital users, because the digital sensor unlike film has very low exposure tolerance
- Cokin P Series Filter is ideal for digital users to balance it when detail is lost on both low and high light area
- Camera lens filter is compatible with Cokin P series
- Detail will be lost on both low and high light area. To correct this, you need gradual filter to balance it
- Use it with the right adapter and filter holder, it is compatible with all the DSLR, DC, DV lens
- Color: Blue
- Size of the Color Filters: 8.3 x 9.9 x 0.2cm/3.3 x 3.9 x 0.1in
Details:

- Cokin P Series Filter is ideal for digital users to balance it when detail is lost on both low and high light area

- The Cokin P Series Filter features bright color, genuine transparency and long application life

- You can obtain a wide creative variety of colours by superposition, and it's great for landscape shooting or car photography
Size in Detail:

What's the Camera Lens Filters:
- Camera lens filters still have many uses in digital photography, and should be an important part of any photographer's camera bag. These can include polarizing filters to reduce glare and improve saturation, or simple UV/haze filters to provide extra protection for the front of your lens
Lens Filter Type:
- The most commonly used filters for digital photography include polarizing (linear/circular), UV/haze, neutral density, graduated neutral density and warming/cooling or color filters
- Example uses for each are listed below:
Filter Type
Primary Use
Common Subject Matter
Linear & Circular Polarizers
Reduce Glare Improve Saturation
Sky / Water / Foliage in Landscape Photography
Neutral Density (ND)
Extend Exposure Time
Waterfalls, Rivers
under bright lightGraduated Neutral Density (GND)
Control Strong Light Gradients Reduce Vignetting
Dramatically Lit Landscapes
UV / Haze
Improve Clarity with Film Provide Lens Protection
Any
Warming / Cooling
Change White Balance
Landscapes, Underwater, Special Lighting
Problems with Lens Filters:
- Filters should only be used when necessary because they can also adversely affect the image. Since they effectively introduce an additional piece of glass between your camera's sensor and the subject, they have the potential to reduce image quality. This usually comes in the form of either a slight color tint, a reduction in local or overall image contrast, or ghosting and increased lens flare caused by light inadvertently reflecting off the inside of the filter
- Filters may also introduce physical vignetting (light fall-off or blackening at the edges of the image) if their opaque edge gets in the way of light entering the lens (right example). This was created by stacking a polarizing filter on top of a UV filter while also using a wide angle lens-causing the edges of the outermost filter to get in the way of the image. Stacking filters therefore has the potential to make all of the above problems much worse

Note on Choosing a Filter Size for a Camera Lens:
- Lens filters generally come in two varieties: screw-on and front filters. Front filters are more flexible because they can be used on virtually any lens diameter, however these may also be more cumbersome to use since they may need to be held in front of the lens. On the other hand, filter holder kits are available that can improve this process. Screw-on filters can provide an air-tight seal when needed for protection, and cannot accidentally move relative to the lens during composure. The main disadvantage is that a given screw-on filter will only work with a specific lens size
- The size of a screw-on filter is expressed in terms of its diameter, which corresponds to the diameter usually listed on the top or front of your camera lens. This diameter is listed in millimeters and usually ranges from about 46 to 82 mm for digital SLR cameras. Step-up or step-down adapters can enable a given filter size to be used on a lens with a smaller or larger diameter, respectively. However, step-down filter adapters may introduce substantial vignetting (since the filter may block light at the edges of the lens), whereas step-up adapters mean that your filter is much larger (and potentially more cumbersome) than is required
- The height of the filter edges may also be important. Ultra-thin and other special filters are designed so that they can be used on wide angle lenses without vignetting. On the other hand, these may also be much more expensive and often do not have threads on the outside to accept another filter (or sometimes even the lens cap)
Package Included:
- 1 x TIANYA Gradual Blue Colour Filter for Cokin P Series
- 1 x Plastic Box
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Charlie
from ()
Bought this item on
04-24-2011- Other Thoughts: I love your gradual filter and the way you reduce the light rays <br/>that strike my sensor by one stop. <br/>no doubt. You are something I cannot do without. I Adore...
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Ray
from ()
Bought this item on
02-24-2011- Other Thoughts: I have both this Camera Cokin P Series Filter and a circular polarizing filter. And both appear to work fine with my D60 even with auto focus and setting it to an automated (child or sports for example) setting. I might be missing something, but the photos look great with both filters.
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F. Katchi
from ()
Bought this item on
03-05-2011- Other Thoughts: I'm an amateur getting into photography and this product was great for my purposes. The only Gradual Filter that has been somewhat of a problem to get used to has been the polarizer. Overall, for the price it seems that you're getting a great deal. It's a great buy for beginners/non-hardcore photographers.
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Dustin Adams
from ()
Bought this item on
04-07-2011- Other Thoughts: This ND4 arived in a timely manner. I just received it, so I haven't had time to experiment with it yet. I am just excited that I received it before going on vacation. It feels very sturdy, and fits my lens perfectly. I have purchased Digital Camera Blue Filter before and have always been happy with them.
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Mekkat
from ()
Bought this item on
03-25-2011- Other Thoughts: For your basic, entry-level creative photography, these are a great buy. I'm an amateur and these work great for me. There are irregularities that form around the edges of your photos if you go too crazy (stacking all three together for a photo for example) but for the price, they're great fun.
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