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What is the ExpoDisc Portrait Professional Digital White Balance Filter?
The ExpoDisc Portrait Filter effectively adds pleasing red tones to the entire image, producing an image with subtle red highlights in the hair and skin.
Simply read and set white balance with the ExpoDisc Portrait Filter in place to consolidate several on location and post processing steps into one quick and easy custom white balance procedure. When used to set a custom white balance, the ExpoDisc Portrait Filter enables photographers to generate custom color at capture in a single, time saving step.
What is the Difference Between the Neutral and Portrait Filter?
The set of images below were taken using off-camera strobe light in a studio setting. The first image was taken using the camera's own Auto White Balance setting. The second image (middle) was taken using the ExpoDisc Neutral to white balance the camera. The third image (right) was taken using the Expodisc Portrait to white balance the camera.
How do I use the ExpoDisc?
The ExpoDisc is far easier to use than any gray card, white card or calibration target. Simply place the ExpoDisc in front of your lens and capture the incident light while setting your camera's custom white balance. Using an ExpoDisc custom white balance will virtually eliminate the need for RAW or JPEG post-capture color adjustments.
ExpoDisc technology takes a unique approach to setting a custom white balance and producing accurate color. The ExpoDisc essentially uses your camera's built-in custom white balance capability to turn the camera into an incident color-metering tool. By setting white balance as an incident filter rather than as a reflective target, the ExpoDisc avoids the common problems and inconveniences associated with using gray cards, white cards and calibration targets: unwieldy size, unwanted reflectivity, improper angling and difficulty of filling the frame.
Why is the ExpoDisc the best white balance tool available?
ExpoDiscs are constructed of multiple layers of carefully selected optical grade materials which are tested on a sophisticated transmission spectrophotometer. Each ExpoDisc is individually tested to our strict tolerances of color neutrality and light transmission. ExpoDiscs are assembled and tested in the U.S.A..
What size lenses does the ExpoDisc fit? Do I need to buy an ExpoDisc for all my lenses?
The ExpoDisc works with any digital SLR and digital video camera with a white balance function. ExpoDisc filters are available with quick pressure release friction mounts (in standard sizes, including 52mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm, 95mm, as well as 4x5.65 Video Format Filters). If you have multiple lenses, you can start by purchasing an ExpoDisc that fits your largest lens and the holding the ExpoDisc flush over smaller lenses.
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