Reasons for filters: Save time and frustration in post-production - Eliminate uncertainty and see the effect you want immediately, not hours or days later

Six Basic Filter Applications for Digital Cameras

• Lens Protection - Protect your lens from moisture, scratches and damage
• Correction - Bring the optical correction to a known standard, leaving more latitude for digital effects used later
• Contrast Control - Ultra Contrast and Low Contrast filters allow your digital camera to capture more shadow detail or lower contrast evenly

  Before and After Circular Polarizer

• Polarizers - These filters are ideal for color or contrast enhancements, removing reflections from water and glass (impossible to do electronically) while adding richer, natural color saturation
• Color Enhancing Filter - Makes vibrant fall colors "pop" without adversely affecting other colors. Difficult to do electronically
• Color-GradŽ Filters - Add color selectively to the image while keeping other portions unaffected

Filter Links

• B + W Filters
• Cokin Filter Guide  Cokin Filter Holders Cokin Creative Filter System Cokin Filters are made from CR39. The CR stands for Columbia Resin. During WWII uncured CR-39 Resin was used to coat aircraft fuel tanks. The CR-39 would "self heal" the tanks when struck by flak. CR-39 is transparent in visible spectrum and is almost completely opaque in the ultraviolet range. It has high abrasion resistance, in fact the highest abrasion/scratch resistance of any uncoated optical plastic. CR-39 is about half the weight of glass and index of refraction only slightly lower than that of crown glass, making it an advantageous material for eyeglasses and sunglasses lenses. A wide range of colors can be achieved by dyeing of the surface or the bulk of the material. CR-39 is also resistant to most of solvents and other chemicals, to gamma radiation, to aging, and to material fatigue. It can withstand the small hot sparks from welding. It can be used continuously in temperatures up to 100 °C and up to one hour in 130 °C.
• Heliopan Filters
• Hoya Filters
• Lee Filters
• Leica
• Rodenstock Filters
• Rollei Filters
• Schneider Optics
• Singh-Ray Filters
• Sunpak Filters
• Tiffen Filters
• 3 Filters You Need Now
• Camera Filter Guide
• Filters by the Numbers (Wratten Numbers)

What's new in Adobe Photoshop Elements 7

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