How to grasp the photographic sensitivity of beginners? Set sensitivity

ISO sensitivity is an indicator of light sensitivity. The higher the sensitivity, the more sensitive to light. Generally speaking, the higher the sensitivity, the better the effect when shooting moving objects or low light. However, at high sensitivity, there are more noise signals in the image, and the definition is also reduced. On the contrary, at low sensitivity, the image noise signal is reduced and the image quality is better, but it is not suitable for shooting moving objects or low light environment.

Many players often encounter the following situations: shooting in places where flash is forbidden, such as exhibition halls, we have to use flash, and the result is blurred photos. If the flash is used, the subject will reflect light and affect the picture. The same thing can happen indoors or in dark places.

An easy way to take good photos without using flash is to adjust ISO. Of course, if the ISO setting is improved, the graininess of photos will be more serious, which requires users to master flexibly according to the situation at that time. As we are familiar with traditional cameras, ISO sensitivity indicates the sensitivity of film to light, which is equivalent to100,200,400. The greater the sensitivity value, the more suitable it is to be used in dimly lit places, but it will lose the vividness and naturalness of colors.

By the way, when tone and image reproduction are strict, it is best to use low-sensitivity films with ISO sensitivities of 25 and 64. In order to meet the needs of various occasions, films with ISO sensitivity of 400 are often used, and even films with ISO sensitivity of 800 and 1600 suitable for taking pictures in the dark (disposable cameras) are used.

Although the digital camera does not use film, it is equipped with similar functions and can change its ISO sensitivity (some models cannot change the ISO sensitivity setting, please confirm it in the manual of the digital camera). In this way, when using, when you want to make the shooting effect better, set the ISO to 100, and set the ISO to 400 when the light is insufficient.

Here we want to prevent hand shaking in dark places, so we set ISO to 400. We can set ISO according to the following steps. First, bring up the menu screen and select ISO sensitivity. Then select the highest value of 400 from the ISO sensitivity. After the ISO sensitivity is doubled, the shutter speed can be doubled to make basically the same exposure (the lens aperture is unchanged).

Introduction skills of SLR photography

1. Don't think about what you shoot mainly and what you won't shoot secondly before you come into contact with photography. It's a waste of time to think about it, let alone make a decision about what equipment to buy. 100% people don't ask themselves which street they will go to, which alley they will go to several times in their lives, and how many times they will run red lights. The road of photography is unknown, and there is no need to rely on interest to explore and advance.

2. Don't be superstitious. If you want to shoot a subject well, you must equip yourself with some equipment. For example, if you want to take portraits at 85/ 1.4, scenery at 16-35/2.8L, and insects at 100/2.8macro, you will become a black sheep. You can also take portraits from a wide angle and scenery from a telephoto.

3, the camera is used to create visual enjoyment, not to smash walnuts and meet gangsters to defend themselves. It is pragmatic to choose a thin and practical camera as far as possible. Of course, the appearance should be beautiful, at least it should complement your appearance.

It's best not to buy the so-called lens of traveling around the world in one mirror, because you are unlikely to travel around the world. If you can travel around the world, you can't shoot anything like 24-300. Why? Just ask a friend who bought this kind of lens. They may be depressed.

If you don't have any foundation and are not interested in learning the basic knowledge of camera, you might as well choose a digital pocket machine first, which should be able to adjust the aperture manually. Don't buy a stupid machine or a movie starter. Because once you find yourself really more and more inspired, you will spend a painful sum of money to buy a better camera, which is the law. It's out of date to start with film now.

6. Good-looking photos on the Internet, including excellent photos in the forum, especially digital works, are almost all carefully produced in the later stage, which is also an indispensable part of photography. So, if you are interested in asking DX in the forum, you should sincerely explore the PS solution from them, instead of interviewing them where the inspiration came from when they pressed the shutter-I mean, inspiration is hard to learn.

7. Participating in various shooting activities can certainly improve the level quickly, but it can't further improve the level. Photography is a lonely art, whether it's portrait or landscape, there may be a unique style of work to satisfy your independent thinking. Therefore, in my opinion, if you want to make more friends, you should take part in more activities. If you want to improve your photography skills, try to practice alone. It's fun to learn by yourself.

8. Since you play photography, you don't have to follow too many dogmas. You can immerse yourself in self-satisfaction first, and then slowly accept other people's opinions and suggestions. After all, photography is a subjective art, of course, getting more people's recognition is an addictive enjoyment. I mean, you don't have to take other people's comments too seriously. No one knows your own photography pursuit better than yourself.

9, portraits, don't start with beautiful guys, it will give you an inertia. Real beautiful women and handsome men look good no matter how they shoot. It is suggested to start with the ugly. Shooting such a model has little psychological pressure, and generally it is not demanding how well you shoot. They generally know that they are not very photogenic, and once they shoot well, they will have a sense of accomplishment!

10, comments on the photography forum. For beginners, don't flatter DX. It's no use trying to teach you a few tricks in exchange for DX's favor. The correct way is to clap bricks reasonably. People who ask ~ ~ DX with questions will often try their best to clarify his creative ideas, so as to improve faster.