Traditional Culture Encyclopedia - Photography major - How to take pictures without reflecting light?
How to take pictures without reflecting light?
How to take a non-reflective photo? In our daily life, we often take photos through the window and glass, but have you found that most of the photos taken in this way will have obvious reflections, so the photos taken will be greatly discounted. Let's study how to take a non-reflective photo.
How to take non-reflective photos 1 how to discharge non-reflective photos?
1 and polarizer
Polarizer can be said to be the most common and commonly used photographic equipment to eliminate reflection.
We know that a polarizer will filter out polarized light at a certain angle, which is the "culprit" of reflection.
By installing a polarizer in front of the lens and adjusting the polarizer according to the reflection, the reflection on the surface of non-metallic objects can be easily eliminated.
Whether it is the water surface often encountered in landscape photography or the commercial plastic packaging bag in still life photography, bright reflective blocks and polarizers are hold.
Step 2 reduce ambient light
In a bright shooting environment, properly reducing the illumination of the whole environment can also reduce the reflection.
Theoretically speaking, the more light, the greater the chance of reflection, the larger the area of reflection, and the more serious the impact on aesthetics; On the contrary, the light is not so bright, the probability of reflection is reduced, the reflection area is reduced, and the influence is not so obvious.
Step 3 change the shooting angle
Don't use props in a hurry when you meet a reflective subject. Trying to adjust the shooting angle may improve the reflection problem.
Generally speaking, when shooting objects in display cases and fish in square glass fish tanks, the surface reflection is too strong and the polarizer effect is not good.
At the angle of 45 degrees on one side of the glass surface, the subject is irradiated with a flash lamp at close range, and the flash lamp is synchronized with the shutter, so that the aperture is reduced to make the reflecting surface underexposed, and the reflecting surface naturally disappears.
4. Shorten the shooting distance
When you shoot through objects that are easy to reflect light, such as glass windows, there are no props that can reduce the reflection, and you can't get the ideal effect by raising the shooting angle. At this time, if you want to reduce the influence of reflection as much as possible, it is better to simply put the lens near or even close to the glass window. Directly avoid the root of reflection, naturally unaffected by reflection.
5, soft light
As mentioned above, polarizers can only eliminate the reflection of non-metallic surfaces, and we often use the way of softening light to improve the reflection of objects on metal surfaces. One of the most commonly used is soft light, which makes the light environment where the subject is photographed receive light softly and evenly, so as not to receive too much and too strong light in a certain place, and the probability of reflection is naturally much smaller.
6.sulfuric acid paper
If you don't feel enough when using soft light, the problem of reflection is not so obvious. Adding a layer of sulfuric acid paper in front of the lamp, which is often called soft paper, can further soften the light and achieve the effect of strengthening and reducing reflection.
Apply soap
Some subjects with more bumps and corners are likely to be improved layer by layer because of different angles of the light receiving surface, but they still can't completely avoid reflection.
There will be light spots when it is concave or angular, which will affect the appearance. For these hard-to-consider reflective parts, we can choose to coat them with a thin layer of transparent soap, so that the light spots will disappear automatically.
After the shooting, you can wash off the soap and restore the original appearance.
8. Post-processing
If you can't get a stubborn reflection by all means, or in portrait photography, the reflection of glasses is very close to the eye light and you don't want to disappear completely, then you must use the ultimate weapon-post-processing. Taking ps as an example, in Image-Adjustment-Hue/Saturation, the preset is changed to user-defined, and the value is adjusted as needed to eliminate the reflection.
How to take pictures without reflection 2 How to avoid reflection when taking pictures?
1, dim the lights
Some environments are under your control, such as hotel rooms. At this time, reduce indoor lighting as much as possible. When shooting night scenes, we should make full use of indoor shadows and curtains, and cover the curtains on the camera to reduce the influence of the surrounding messy light. When shooting in the daytime, you can't use the above method because the curtain itself will produce images.
Step 2 use a shade bucket
Shading bucket is the best tool found so far. As long as it is not shot at an extreme angle, the shading barrel can completely avoid the reflection on the glass. In addition, the sunshade bucket can be folded, which is convenient for storage and carrying.
Step 3 shoot near the window
Keep the lens as close to the glass as possible. My secret is to use Aka quick loading system, which is easy to adjust. Be careful not to touch the glass. The movement and vibration of the building may touch the camera.
4. Avoid using super wide-angle lenses.
Try to avoid using ultra-wide-angle lenses, because ultra-wide-angle lenses have a wider field of view and are easy to increase the probability of shooting reflective objects.
Step 5 use a polarizer
If possible, you can use a polarizer to eliminate reflection, which is of course the best way. However, some high-rise hotels will use Polaroid glass as windows, so be careful, because the two polarizers are easy to cause color cast when stacked together.
How to take a non-reflective photo 3 Generally speaking, any object will reflect light, but objects with smooth surfaces like mirrors and windows are more likely to reflect light. When the lens is aimed at this kind of object, the reflection of a certain area of the photo will be particularly obvious, but in fact, this phenomenon can be avoided with a little attention and a satisfactory photo can be taken.
1. Dim the indoor lights
If you want to take photos through the window in a room, the ideal way is to dim the indoor lights to contrast with the outdoor environment. You should know that if the indoor light is stronger than the outdoor light, there will be reflection, so dim the lights. If there is no way to change the lights, you can close the curtains and only expose the lens. Curtains will block the bright light in the room, so the effect will be much better.
Wear dark clothes
Although this can't completely solve the problem, it can really reduce the reflective area and make the photo look less bad. Remember not to wear light-colored clothes, which will only make the photos look messy in the sun.
Shoot near the window
Shoot as close to the window as possible, but if you use a SLR, be careful not to let the lens touch the glass to avoid getting dirty.
4. Avoid using super wide-angle lenses.
Try to avoid using ultra-wide-angle lenses, because ultra-wide-angle lenses have a wider field of view and are easy to increase the probability of shooting reflective objects.
Use a polarizer
If possible, you can use a polarizer to eliminate reflection, which is of course the best way. However, some high-rise hotels will use Polaroid glass as windows, so be careful, because the two polarizers are easy to cause color cast when stacked together.
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