Eliminate or Weaken the Flash Projector

Feb. 11, 2011 - PRLog -- In the single-lamp flash photography, the main characters often leave behind an ugly shadow, seriously affected the image of beauty and performance of the main characters. Using several methods that can eliminate or weaken the flash projection:

1. Composition to avoid vertical banner

Single-lamp flash photography, placed in the top of the camera flash, horizontal composition, photography, flash light shot from just above the lens to. Shadow relatively weak. Vertical banner chart, flash projector people fall on one side, the background and the character will leave a thick black contour line projection, the screen is very ugly. Thus, light flash photography in a single vertically composition should be avoided.

2. Select the background of a bright window

Indoor photography, each - of the natural light in the room has bright windows, we have taken as long as the characters are arranged in the window, or choose the right camera angle, so that the window for the main characters in the background, so the flash will disappear projection in the bright window.

3. Shooting with the slow gate

Single light indoor photography, in addition to the flash light source, there is injected into the natural light from windows and interior lighting, but the latter two is very weak light, it is impossible to generate enough body exposure. But as long as we take a longer shutter time, you can take advantage of reduced indoor light to flash left projection. The body when shooting against the wall or furniture and other supports, the use of 1/15-1/4 second slow gate, conditional best to use a tripod to prevent vibration.

Way to talk about. Interior panoramic photography, the flash exposure is often far less than the characters more room, such as flash synchronization time using the usual shooting, tend to make the foreground overexposure, underexposure consequences, then shoot the door can also be slow, the effective use of the light and indoor natural light, the entire screen to be more uniform lighting.

4. Let people be taken farther away from the wall

When normal people close to the wall, the wall space for people and small. Indoor lighting and natural light can not be irradiated or reflected to the wall, so that the subject figures in the left wall thick flash projector, so the possible characters to be taken away from the wall - points, combined with the slow gate shooting. Flash projector will significantly weakened.

5. Plus flash diffusers

Some of the flash with a ground glass-like plastic diffusers, to put this flash on the diffuser can be added to soften the flash, if there is no diffuser can also be used instead of white handkerchiefs or gauze, the effect is quite good, in the handkerchief or gauze used to flash lights close to surface, a layer of soft, if not satisfied, you can add two or even three, but added the flash or a soft fabric with a soft mask, the flash illumination will be reduced, Therefore, to increase exposure. After the general and plastic diffusers big one to open the aperture, but also add a thin layer of a handkerchief to open large - level aperture.

6. Played by white walls reflected light

The flash head towards the ceiling, walls and other indoor and white reflective material, the use of reflected light to illuminate the subject people, this is the so-called "bounce flash Law." In the single-lamp flash photography, the use of "reflection flash method" can change the light direction, light from the front into a front or front side light roof light, so the projector will not appear on the screen, but because this method would discount loss of light, so use. General than the original aperture is about to open great to get accurate exposure levels, the specific turn up a few levels aperture can be calculated as follows:

Aperture = (flash index / flash to the reflector + reflector to your subject from the distance) x ray reflectivity

On where "the reflectance of light" due to reflection of the surface texture, color differ, the general white walls in the room according to the reflectivity of 0.7 into the formula, dark walls, the reflectance even lower.

Described above flash photography to weaken or eliminate the 6 projection methods, these methods should be adapted to local conditions in the actual shooting flexibility, will enable us to shoot more perfect flash photographs.

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