18 Common mistakes from photographic beginner

In photography practice, inexperienced beginners, often there will be some mistakes. I put 18 kinds of common mistakes beginners breakdown, and a brief analysis of errors, and proposes ways to prevent, for beginners reference.

1, wide-angle lens to shoot photos with black corners
Mainly due to the flash coverage and wide-angle lens does not match the field of view. Old flash design flash coverage mostly small with only 35mm wide-angle lens support, 28mm wide-angle lens than the 35mm lens field angle of 12 degrees large, thus making the screen less than four weeks by light and dark. There are two ways to prevent, first, add the light scattered in the mask, so that the scattered light flash as to coverage; the second is muffled by white gauze caps, so that the light scattering, that can evenly light the entire screen.

2, the picture fuzzy tone
The exclusion of the camera shake without failure and other reasons, it has to check whether the lens is covered by dust or dirt dye coating. If this happens, should not mouth blown or towel. Application blowing balloons blow off the dust on the lens, lens brush then brushed the debris, and finally with lens paper to clean, so bright as a new lens. If you still sweat, fingerprints and grease, it is necessary to send the camera repair shop carefully removed with lens cleaning fluid.

3, the main characters blur the background clearly visible
There are two things, either manual-focus cameras focus, the focus is not the main focus in front of the main or later, they moved in the composition in place, not to re-focus, depth of field that is not within the scope of the main body; the second is use auto focus camera, press the shutter does not "lock" the focus of re-composition, so the focus elsewhere in the composition of the drift.

4, group photos of the first few rows clear, after the rows of fuzzy
Any multi-row photo photos, clear images to ensure that every person, we must do three things: First, selective focus. Five platoon photo, select the second row of focus; seven platoon photo, select the third row of people focus. Second, do not set the aperture too general to f4-8 is appropriate to ensure adequate depth of field. Third, the shutter speed is not less than 1 / 60 second, so that the image was made virtual head rotation.

5, the film is not exposed
There are two main reasons: First, when the paraxial forget the exposed framing camera lens cover, viewfinder features clear, but the light did not enter the imaging lens, the film is not sensitive to light. Second, manual roll film SLR cameras installed 135 pieces in place, roll film cassette films do not pay attention to see whether the corresponding rotation axis. As titles slip, moving the handle roll film, although the shutter on the string, the counter counts as usual, but the film in the cassette in the untouched, though the counter shows 36 finished, not actually a Film.

6, photo corners with shadow
There are two main reasons: First, focus the lens hood does not match. The standard 50mm focal length lens hood for the 28mm wide-angle lens will block the light entering the lens. Because of the header field angle is 47 degrees, while the 28mm wide-angle lens field of view angle of 75 degrees. Second, when shooting with a 28mm wide-angle lens, the lens already has a UV lens wear, such as longer wearing a polarizer, then because of polarizer is made of two pieces of laminated glass, border thick, plus the mirror in the UV border, bound to block the light entering the lens, making photo corners black. For wide-angle lens when shooting with a polarizing microscope, we must first remove the mirror and then install UV polarizer, to make the picture even by light.

7, dead tone black and white or dark, the lack of film grain level
Both black and white or color photos are the only exposure accuracy, bright video to get the level of harmonic wealth. Photo is overexposed dead white; photos dark black or underexposed. Machine optical system is measured by 18% in the gray reflective rate design, it can make most of the scenery exposure accuracy, color rendition, but encountered some special lighting or scenery, you need based on the metering fixes. Such as shooting, if not to increase 1.5-2 snow level exposure, the snow will be gray; such as shooting coal, such as the level of exposure does not reduce the amount of 1.5-2, black coal will become dark gray. Because no matter how advanced the camera, no thinking, but will invariably put all the features reflective rate of 18% by the middle gray tone processing.

8 photos taken with electronic flash exposure is still inadequate
There are two reasons: First, set the aperture too small. Flash speed flash generally in the 1 / 1000 seconds, the shutter has lost control of light effects, mainly controlled by the aperture size of the exposure. Flash photography is not automatic transmission, first calculate the aperture factor. Second, the flash power is low. Buy a new flash to go through a dozen of the charge and discharge, the light from the active capacitor after the official use. Old Flash charging lights lit only charge 70%, 10 seconds before the light really full of energy, for normal use.

9, the SLR camera to shoot pictures with flash, there is a shadow half pictures
This is because the SLR camera with flash sync shutter curtain due. SLR camera with flash, should pay attention to the camera's flash synchronization (the camera at different speeds).

10, the portrait photograph beautiful clear background, the characters face was dark
First, when shooting backlit using average metering, and no fill light on the characters facial; Second, the background light (snow, desert, beach), recommended using the measured data of light exposure, background exposure appropriately, the characters lack of exposure. There are three solutions to this: First, people were using flash for fill light; the second is based on the increase in the 1-2 meter level exposure; third is aimed at approaching people face metering, "lock" the exposure After the amount (or the use of metering to manual exposure memory button), then returned in situ composition, focus, shoot.

11, group photo, peripheral figure incomplete
There are two cases, one with a head-camera viewfinder parallax when the ignored, the screen overfilled; Second, although no parallax using SLR cameras, but not around the screen Liu Yudi, enlargements squeeze out some time around the screen, Minilab a film frame enlargements only about 95%. So regardless of what the camera, framing should be some room left. Avoid people of indomitable spirit, filled the screen.

12 photos have scratches
If there are scratches on the film may be caused by two situations. The first disc repackage large volumes of contaminated using the old cassette, a film clip with sand on the flannel mouth, scratched film; the second is the pressure behind the camera chip board has burrs, scratches the film winder. Use pre-packing volumes, it is best to indent cassette titles, with blowing balloons and carefully brush the mouth of the piece after cleaning cloth, and then leads titles to use. If the camera pressure plate burr, can be a small piece of sandpaper and carefully rubbed off 0 (be careful not to wear film on the plate injury).

13, the whole tone bluish photos
First, due to the high color temperature. Thin cloud blocks out the sun or cloudy weather, the natural light color temperature up to 7000-12000K, do not use the school color temperature filter; Second, surrounded by a dense shade, or giant blue advertising, walls and other environmental effects of reflected light. The solution is to shoot, use a lower color temperature Leiden 85B filter, such as near the blue ambient light reflection, as much as possible move to open space shooting.

14, the entire partial orange tone photographs
The following 3 cases can make the photo reddish tone. (1) daylight-type color film is used in lighting, color temperature and no use of Radon transform based filter 80B; (2) morning and evening sun's color temperature is only 3200K, caused by the low color temperature orange-red hue; (3) advertising or around the red giant red building, reflected red light.

15, with the flash when shooting portraits, behind the strong projection
Machine-bit flash shooting, such as figures from the background of very close, the projector will be reflected in the black background. There are three solutions: First, the background is far from certain people, let the projector down on the ground; Second, remove the flash cable connected to the lateral soft flash shooting; third is to use light-colored ceiling or wall to bounce flash photography.

16, using the flash, Portrait blood red eye
Red-eye flight in low light flash in the prone. The reason is the dark light, human eyes dilated pupils, a sudden flash of bright light, no time to contraction of the pupil, light direct the retina, optic nerve blood red will appear in the photo on the formation of "red-eye." There are four ways to overcome: First, remove the flash cable connected to the lateral soft flash; the second is to be taken not to look directly at the camera lens by eye; third is to be photographed before shooting watching lights, windows and other strong light sources for three minutes or pre-flash to make another; Fourth, use red-eye reduction flash.

17, shot the shutter stripes on the TV screen
China's television system to send 25 pictures per second, if the shutter speed above 1 / 30 seconds, there will shutter stripes. Television footage of ordinary camera, the shutter to 1 / 15 seconds is appropriate.

18, Snow tone gray, not white snow
This is due to the lack of exposure. Highly reflective snow surface, 18% reflective light meter rate is set based upon the combination of exposure, the snow will be reduced to the gray tone. Such as average or partial metering center weighted Exposure to 1-2 due to exposure level, the snow became light gray color. To prevent the solution is to increase by 1-2 meter reading level exposure (open aperture or reduce the large file 1-2 1-2 shutter speed) to compensate.

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