Optical Filter

Use of camera lens filters in digital photography - coated vs non coated filters

As compare to SLR camera, digital SLR has a different functionality. As SLR camera's require a film to expose a photograph, require manual adjustment for lighting such as camera aperture setting, focal length setting or hit & trial method to gain mastery in perfection - DSLR are very easy to operate, as it has mostly automatic system, simple settings are required to set conditions & has an in built LCD which shows an immediate result of your photo shoot.

Camera filters are traditional tool used in photography to enhance or add an effect to a photo, although digital photography is much advanced & many filter effect can be created via computer applications, still there is a world of experienced photographers, who know's that a digital effects can not be compared to natural beauty, also feeling of creativity can not be obtained by applying techniques without knowing the source of effect & having mastering over light & exposure.
                                                     

Item photograph's courtesy by http://www.foto-asian.com

There are numerous camera filters which can also be used with digital photography. Few of them are named below.

 

Close up Lens +1
The subject or object can be optimized up to one time more as compared to original, With magnification power of close up lens +1, it helps you to capture the details of finger prints, jewellery ,flowers and enlarge the particular portion from group photograph.

 

 

Close Up Lens +2
With magnification power of close up lens +2, one can enhance a detail up to two times greater then the actual image. +2 lens helps you to capture the details of finger prints, jewellery, flowers  and enlarge the particular portion from group photograph.

 

 

Close Up Lens +4
four times greater image can be obtained with the use of close up lens +4, With magnification power of close up lens +4 , you can capture the tiny details that could not be possible using a bare lens. close up lens +4 is also use ful in product photography .

 

 

Macro Lens 
Close up Macro Depending Upon diopter Close Up Lenses help you go closer to a subject and to enlarge a particular portion from a group photograph and to capture details of finger prints, inspects, flowers.

 

 

******Close up lenses or Macro lens kit works best with standard lens system. Digital camera works on chip based motherboard, which is a computerized system, sometime fails to recognize close up lenses in auto mode. It is recomended to use close up lenses in manual lens mode to set your own way to photograph a tiny object.

A close up photograph optically optimized can also further digitaly optimized.

Soft Filter
Soft Camera Filter is used to take a crispy sharp-focused center portion which is surrounded by imaginative, dreamy, multicolored & balloon studded environment does not exist in actual. Using soft filter is very easy, you may use spacer ring for better result.

 

 

Star filter 8x
The grid structure of Star filter 8X creates eye-catching 8 point star like patterns from brilliant points of light. The brighter the light source in the scene the greater the light scattering effect will be. Dark background & use of spacer ring is recommended with lens filter star 8x.

 

 

Blue Filter
A photographic filter made of colored glass that modifies the light striking the film by selectively absorbing colors. The blue filter is used to create the yellow negative, in black & white photography while also used in digital color photography just to add fun colors in a scene.

 

 

Multi Image 5F

Made up of fine optical quality glass lens filter blank. This Multi Image lens creates 5 identical images in radial pattern of the subject to the same picture frame. lens filter Multi-Images comes in more then 35 patterns.Dark background & use of spacer ring is recommended.

 

 

Star filter 4x
Star filter 4x has a special grid section that creates an eye-catching 4 point star like patterns from brilliant points of light. The brighter the light source in the scene sharper the light scattering effect will be. Dark background & use of spacer ring is recommended to use lens filter star filter 4x filter.

 

 

Sand Filter
Lens filter sand is a very popular camera filter with a clear polished spot at the center, so a sharp image is obtained in the center of the picture, surrounded by diffused or smoky screen. You may use spacer ring for a better result.

 

 

Diffuser Filter
Lens filter D1 Diffuser diffuse highlights reduce contrast and as such can be used for taking pictures with variable soft effects. A diffuser filter is a translucent photographic filter used for a special effect, softens subjects and generates a dreamy haze.

 

 

Softone filter

 
As the Diffuser D2 filter softened the skin - texture, the portraits of ladies can be made very charming & attractive. Widely used in fashion photography. A diffuser filter is very inexpensive simply place it over the lens and see for yourself the difference.

 

 

Duto filter

The diffusion effect is minimum with "Diffuser", stronger with "softone", followed by "Duto" and strongest with "special softon". Lens filters duto reduce the contrast to produce good result to create soften images due to is irregular uneven surface.

 

 

Special Softone

 Dreamy landscape pictures can be shot without suppressing details oriented pictures. It can be produce; particularly in commercial photography effect is strongest with lens filter special softon. 

 

 

FLD filter
The Fld filter corrects true-to-life color rendition by removing the harsh yellow-green cast ordinarily resulting from fluorescent bulbs, can also be used in outdoor for saturating colors.

 

 

Color filter green
A photographic filter made of colored glass that modifies the light striking the film by selectively absorbing colors. Color filter green transmit a narrow wavelength of light in the green spectrum and absorb blue and red light.

 

 

Linear Polarizing filters
LPL filter eliminates undesired reflection from non - metallic surfaces such as window glass, water, etc, It has Sky brightness control, eliminating veil caused by atmospheric haze, Blue Sky etc. It can be used with any digital camera.

 

 

Multi Image 3F
This Multi Image lens creates identical image of 3 in Triangular patterns of the subject to the same picture frame.Multi-Images comes in more then 35 patterns. Use of spacer ring & dark background is recommended to achieve best result.

 

 

Orange filter
Orange filters will darken a blue sky more than a yellow filter, and this is often why they are used. However remember that an orange filter will also lighten orange values. The rule for colored filters is that they darken their complementary colors and lighten their own color.

 

 

Rainbow filter
It splits light into spectrum & creates a very beautiful Rainbow Star effect. The effect color achieved is noticeable & very bright as compare to other star filters. 

 

 

 

Clear filter
It is screw in type -protect camera lens from direct exposure of dust, humidity moisture and thus increasing lens life and its original quality remains intact for a prolonged uses. 

 

 

 

Sepia filter
Sepia filter produces brown tone for sepia. The use of this filter gives a surrealistic effect in landscape and architectural photography by producing "storm like cloud" effect, "Moon light" effect, "Wood effect". 

 

 

 

Two field lens
The two field lens is used for that special shot where two subjects one "distant" and the other "closer" both need sharp focusing within the same picture frame.

 

 

 

Veri Cross filter
Veri cross Filter Star Filters creates 6 point eye-catching star like patterns from brilliant points of light. The brighter the light source in the scene the greater the light scattering effect will be.

 

 

 

Yellow filter
A yellow filter makes b/w photos look just about natural. For example a yellow filter will enhance the contrast between clouds and sky by darkening the latter.

 

 

 

 ND filter
The purpose of this filters is to allow the photographer greater flexibility to change the aperture or exposure time, allowing for more control, particularly in extreme circumstances.

 

 

 

Above mentioned camera filters are the most popular type & easy to use. There is no technical qualification is required to use above camera filters. These are screw in type camera filters available in different camera lens filter threads. Most popular camera lens filter threads are

camera filter thread sizes
20mm, 24mm, 25mm, 28mm, 30mm, 37mm, 40.5mm, 43mm, 46mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 86mm, 95mm, 105mm, 110mm, 127mm

Most popular camera filter thread sizes are
52mm, 58mm, 62mm, 67mm, 72mm

Coated Vs Non Coated Camera Filters
camera filters are usually made up of glass, multi coated camera filters claims to filter unwanted reflections while taking a snap, however with the use of lens hood unwanted reflections can be prevented & it is always a good practice to use a lens hood.

Multi coated camera filters require much care, very costlier as compare to non coated filters. A single scratch will ruin the quality of multi coated camera filters.

The image quality is slightly better with the use of coated filters while, where cost is a real factor, it is always recommended to use a non coated camera filters as it is cheaper & durable as compare to coated camera filter.

About the Author

Author has a vast experience in the field of camera accessories
recommended website for camera filter product information. 
http://www.foto-asian.com
http://www.any-volume.com

Alnair Bandwidth-Tunable Optical Filter - CVF 200