FREQUENTLY ASKED QUESTIONS
What is the diameter of the circular opening of the ClearWhite filter?
The 4"x4" ClearWhite filter has a circular opening of 2.5" (63mm). The 5"x5" ClearWhite filter has a circular opening of 3.5" (90mm).
What if my lens filter size is larger than the diameter of the open circular area that transmits light through the ClearWhite filter?
If your lens filter size is 95mm or smaller (between, and including, 25mm to 95mm filter size), the 4"x4" ClearWhite will work perfectly for obtaining a perfect white balance. Your lens filter size does not have to match the ClearWhite center circular area size. If your lens filter size is larger than 95mm, the 5"x5" ClearWhite is the ideal choice.
What if my lens filter size is smaller than the diameter of the open circular area that transmits light through the ClearWhite filter?
As long as your lens filter size is 25mm or larger, it will work perfectly. Your lens filter size does not have to match the ClearWhite center circular area size.
What if I want to use the ClearWhite filter to obtain an LCC profile for my lenses?
For creating LCC profiles, we recommend choosing a ClearWhite filter size whos circular opening is equal to or larger than your lens filter size. This is especially true with wide angle lenses. If you're making an LCC profile for a telephoto lens, you can use a ClearWhite filter whos circular opening is a few mm smaller than your lens filter size, although the larger 5"x5" ClearWhite filter will work in all cases.
What is a "color-crossover"?
A "color-crossover" occurs when a file is color balanced during post-processing. This very unfortunate and unpleasant result will be especially noticable when a moderate to extreme amount of overall color balancing is done to a JPG or TIF file in any software program, such as Photoshop. The problem is not inherent in RAW file color balancing. Color-crossovers usually result in images which cannot yield good or acceptable prints. An example of a color-crossover is a wedding shot of a bride in a pure white dress, taken in warm tungsten light, using the JPG format in the camera and setting the camera's white balance preset to, say, auto or daylight. When this warm image is color balanced in a software program, reducing the overall amount of orange or yellow color in the image results in the wedding dress appearing excessively blue, while everything else in the image looks normal. The use of the ClearWhite filter assures that the image will be close to neutral (or close to the photographer's vision) at the time of exposure, so that very little, if any, destructive color balancing need be done in post-processing.
If I only shoot RAW format, can't I just adjust white balance in my RAW processing software?
Shooting in RAW format certainly gives you the ability to adjust white balance for each individual image in your RAW software such as Adobe Camera RAW, but imagine shooting hundreds of images on a trip, in an event or in a wedding using only RAW format with NO white balancing filter, only auto white balance or the camera's built-in presets. This set of images will very likely show colors that run the gamut from excessively warm to forbodingly cold, making it necessary to adjust the white balance for each individual image. Worse yet, imagine showing this set of images to a client before the colors have been adjusted to at least some degree of consistency throughout the set. A very unprofessional and time consuming approach! If the RAW files are to be converted to JPG files, the white balance of every image will have to be corrected before the JPG files are created in order to eliminate color-crossovers and quality loss. Bottom line - keep it clean and simple - use a good white balance filter such as the ClearWhite to get the colors right from the start.
Can't I just use the camera's built-in auto white balance setting?
Even with the most modern camera technology, the operation of the auto white balance feature will never be as accurate and consistent as using a good white balance filter. One of the reasons for this is the fact that the camera's auto white balance is often influenced by the actual colors of the subject when it tries to obtain an accurate white balance. Methods such as the ClearWhite filter, however, actually measure the color quality of the light source and are not influenced by the colors of the subject. The result is a proper white balance which will yield all the subtle nuances of the colors in your images.
Is the ClearWhite white balance filter easy to use?
Photographers who have used the ClearWhite filter in many different kinds of photography (from landscape work to portraits to high-end sport truck and product photography) have reported that the ClearWhite is extremely easy to use and may be the easiest of all the white balance methods. The ClearWhite was designed primarily for ease of use, accuracy and durability.
What does saturation have to do with white balance?
Basically nothing. White balance refers to the neutrality of the light color illuminating the subject. It does not specifically refer to the "whites" of the image but rather all of the range of values in the image since the light source is what is being "balanced". This means that grays, blacks and whites in the image will appear neutral (or very close to neutral) and other colors will have proper relationships and will be rendered cleanly and clearly. Saturation has essentially nothing to do with white balance despite some articles on the net and in magazines referring to this.
If for some reason I don't like the ClearWhite system, do you have a money-back guarantee?
Yes. Simply return the entire ClearWhite system to us within 30 days of purchase, in perfect condition, and we will issue you a refund of your purchase price (minus shipping costs).
Where are ClearWhite white balance systems made?
ClearWhite white balance systems are entirely made in the USA. Even ClearWhite/Progrey custom size filters (sold only through Progrey-filters.com in China), are made in the USA. All ClearWhite products are inspected and calibrated in the USA.
Please visit these photography galleries for more color images
using the ClearWhite System:
Digital Color Photography Gallery | Death Valley Color Gallery | San Francisco Color Gallery
Every ClearWhite white balance system comes with instructions for use, including charts, white balance strategies, a simple Quick Guide to start getting perfect color results immediately, the ClearWhite white balance filter with premium quality soft fabric bag, a detachable black neck strap, and the ClearWhite neutral gray card with protective sleeve. Click here to order. Speed up your digital workflow! ClearWhite white balance filters and gray cards - the smart, simple, low cost solution to achieving accurate, clear color from your digital camera.
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Please visit RadekaPhotography.com and MaskingKits.com for traditional photography. For quality holders and filters please visit ProgreyUSA.