What's the difference between a mobile phone shooting video and a camera shooting video?

There should be no difference. Take three photos with your mobile phone and three photos with your camera. As a result, all the pictures are three and will not become Li Si. Just kidding. Now the new mobile phone has a high pixel, which has a good effect in both photography and video recording. Recently, I bought a red rice mobile phone with a price of 1000 yuan, and the photo effect is better than my original camera. The key is convenience.

Answer: 1. Let's talk about theory first. There is no computer around, so I have to go back to make up the real scene. The fundamental difference between a mobile phone and a camera (especially a camera with a photosensitive element larger than 1 inch) lies in the size of the photosensitive element. At present, the flagship models that mainly take photos are all at the level of 1/3' to 1/2.3', such as 1/3 for Xperia z2 and1/3 for lumia920. (Nokia 808 is reopened as11.2') with reference to a full-frame camera. Because the size of the cell phone's photosensitive element is much smaller than "35mm Quan Huafu", the actual focal length of the lens is also shorter than the equivalent focal length. (The actual focal length of the iPhone 4S lens is 4.28mm, and the equivalent focal length is 35mm) It can be understood that taking a photo with a mobile phone is equivalent to cutting out a small picture in the middle after taking a photo with a 5mm super invincible wide-angle lens. So (finally) it's hard to blur the background when taking pictures with a mobile phone. Mobile phones don't have such strong perspective distortion as super wide angle, and the picture quality of mobile phones is in a mess in low light. Want to shoot a clear face and a blurred foreground background? Please use a large aperture telephoto lens.

Want to shoot the scenery with long legs and small face and incomparably wide? Please use a wide-angle lens.

Want to make the moon as big as a house? Please use a telephoto lens.

Want to shoot buildings and portraits at night with the help of street lamps and light pollution? Please use a camera with a large frame and a large aperture lens. The above is the scene that the mobile phone can't do, and the camera can (with the corresponding lens).

In some cases, these characteristics of mobile phones are not only disadvantages, but also advantages. Thanks to the large depth of field brought by the small-sized photosensitive element, the mobile phone is considered as a hyperfocal distance at a distance of more than 2m, that is to say, focusing on any object beyond 2m, objects from 2m to infinity can be photographed clearly.

Thus, the focusing accuracy is greatly improved. When you need to take a snapshot, you won't spend too much time focusing, and most of the photos you take are very clear.

The viewing angle of mobile phone equivalent to 35mm or 28mm is also widely applicable, and you can take good photos by learning a little photography. Linkage: How to learn mobile phone photography skills? There will be some skills and real pictures in it, I hope it will help.

2. Whether you have a professional high-end camera or just a camera phone that you can't live without, you need to know and master the basic knowledge of photography if you want to take very emotional photos or great photos!

Mobile phone camera is not completely equivalent to digital camera industry, also referred to as DSC. Although the principle of camera implementation is the same, their differences are obvious. Let's understand and master the correct use of the camera phone by looking at some differences between the camera and DSC.

1. Difference between zoom function of mobile phone camera and digital camera

One of the most obvious differences between mobile phone cameras and digital cameras is the optical zoom function. Due to the overall slim design of the camera and the requirements of the battery life of the mobile phone, the camera phone basically does not realize the optical zoom function, and only supports the zoom function of several yards. But there is a big difference between optical zoom and digital zoom. Optical zoom is to change the magnification by moving the lens position, so as to realize the telescopic magnification function. Will not affect the details of the actual photos; Digital zoom, on the other hand, intercepts a part of the imaging plane by software, and interpolates and amplifies it by software to achieve the zoom effect. Just like a picture with a fixed size, if a part is constantly enlarged by software, it will become more and more blurred, resulting in mosaic (sawtooth) phenomenon. The maximum magnification of photos will cause more serious loss of image quality.

So we understand why most mobile phones use zoom to take pictures, and the effect is poor (the greater the zoom factor, the worse the effect). Digital cameras with optical zoom function do not have this problem.

This feature of the camera phone tells us that we should use the digital zoom function on the phone as appropriate and try not to use it. If you really need to zoom in, you should adopt appropriate magnification according to the actual situation of digital zoom of your mobile phone to reduce the loss of image quality.

2. The difference between mobile phone camera and digital camera flash.

After using a digital camera, another obvious difference between a camera phone and a digital camera is that the flash is different. Except for a few mobile phones equipped with high-power xenon flashlights, others are basically LED flashlights. The main difference between these two lamps lies in the luminous intensity and irradiation range, which affects the shooting effect of night and low light scenes. In the camera industry, the flash involves a parameter, the term is called the light guide number (flash index, also called simple GN value), which is an index to measure the power of the flash. The requirement of flash index is not less than the product of shooting distance and aperture coefficient.

However, we know that it is difficult to use a larger xenon lamp as the standard configuration of the camera phone from the hardware and structural design of the phone (the thickness of the phone is the most sensitive). At the same time, due to the high power of xenon lamp, the power consumption will also increase obviously. If used frequently, it will greatly reduce the battery life of the mobile phone and affect the most basic use of the mobile phone. The time difference between professional cameras with and without flash is more than double. With the development of flash and battery technology, it is believed that more efficient flash will be deployed on camera phones.

Even so, the LED flash of the camera phone can still meet the requirements of general photography, and the better double LED flash can generally meet the requirements of low-light photography within a distance of 2 meters indoors, which plays a role in supplementing light. But outdoor is different, because the outdoor background is empty and there is no reflection of light. After the LED flashes with limited power, there is basically no environmental reflection, and the effect is greatly reduced due to the characteristics of camera metering. However, there is still no big problem in the range of 1 meter.

Due to the characteristics of camera phones, the power of LED flash is limited, which can basically meet the needs of indoor photography. However, if it is in an outdoor environment at night, try to ensure that the shooting distance is controlled within the range of 1 m.

3. Understanding the safety shutter of mobile phone camera and digital camera

Digital cameras always involve a safety shutter, that is, the exposure time of photos. Friends who like photography must know something. Usually, whether using a professional camera or a camera phone, many people have encountered blurred photos. There may be many reasons:

A the subject is moving or the photographer is in a moving state, and the moving speed is too fast.

B the ambient light is dark, and there is no ideal lighting environment and light supplement measures.

C. The photographer's hand shaking causes blurred images, which is more likely to happen to people who have no photographic experience.

D shooting when the focusing system is not fully focused, or the imaging is blurred due to incorrect focusing position.

E. blur caused by incomplete exposure and moving camera.

The reason why the photos of the above scenes are easily blurred is actually related to the safety shutter. Now let's learn about the safety shutter. Safe shutter, in popular understanding, refers to the shutter time when a hand-held camera device can take a clear picture. If there is a fast enough shutter combination, the photo will not be blurred easily.

With the rise of Vlog, video shooting has attracted more and more attention. With the improvement of mobile phone camera performance, more and more people use mobile phones to shoot videos to record their lives. There are still many people who use cameras or even professional video cameras to shoot videos. What's the difference?

Cameras have sensors of many sizes, such as the popular 35mm Quan Huafu sensor or APS-C format sensor. Even the film size of the card machine is 1 inch. However, due to the limitation of size and cost, mobile phones can only use small-sized photosensitive elements. Generally, mobile phones use 1/3 inch sensors, and some use 1/2 inches or more, but so far, the photosensitive elements of mobile phones have not exceeded 1 inch. Because the size of the photosensitive element increases, the corresponding body volume and supporting lens will also increase proportionally, which runs counter to the popular design of rain mobile phone. Therefore, a larger format camera means better image quality for video shooting, especially for mobile phones, and high-quality image quality is the existence of spike level.

General professional cameras can replace lenses with different functions and focal lengths, which are suitable for different shooting scenes. For example, outdoor ball games can use telephoto lenses to shoot detailed areas on the sports field, and indoor wide-angle lenses can be used to shoot. A lens with a large aperture can adapt to shooting in dark light. Large-size photosensitive element+telephoto lens Large aperture lens can shoot video with strong background blur. On the other hand, the lens on the mobile phone side is generally a fixed-focus lens, which is generally equivalent to a viewing angle of 28 mm Although the multi-camera shooting is widely used in mobile phones now, the multi-lens combination function of super wide angle+wide angle+telephoto can indeed provide short coverage from super wide angle to super telephoto, but at present, the imaging quality of other sub-cameras except the main camera is very general, and many mobile phones rely on high-pixel digital zoom to achieve short telephoto, which is very poor and basically unusable.

The camera can shoot video in manual exposure mode, which is convenient to correspond to complex scene environment and ensures stable exposure imaging. At the same time, the focusing system of the camera adopts the principle of phase focusing, which has high efficiency and precision. The focusing ability can capture the precision of some complex environments and high-speed moving objects. In some cases, the camera can be quickly switched to manual exposure and manual focus to completely control the camera. The video exposure of mobile phones is generally realized automatically through internal algorithms. Users can only open and close videos, and there are few components that can be interfered. Video focusing is generally slow contrast focusing, and the efficiency is basically not as good as that of a camera.

You can choose a variety of formats to shoot video with your camera. You can shoot 10bit 4 2 2 high-rate video, and even shoot ProRes RAW video, giving you more post-production space. Mobile phone shooting can only shoot videos in a fixed format, and the resolution can be changed at most. Of course, mobile phones also have advantages here, which is the advantage of video files. The video format of the camera causes us to need very large storage space. Generally, video cameras have to use external video recorders with solid-state disks.

Mobile phone shooting video

1: Easy to carry and light.

2. With its own beauty function, it makes people look more like white skin, but the color of the scene is slightly distorted.

Most mobile phones with more than 3.2000 yuan have anti-shake function, so shooting at various angles is relatively easy and basic.

The picture quality is stable.

4. The material shot by the mobile phone can be directly edited by the editing software of the mobile APP, which is quite comparative.

Convenient.

5. The price is more acceptable.

6. There are many videos and billboards in public places, so it is not easy to blur the background. Some APP video platforms are advertising.

For example, sensitive videos are easy to remove obvious advertisements.

7. The sound reception effect is average, and it will be better with the help of radio equipment. The price is several hundred, the effect is not obvious, and it can be operated by a single person.

The camera shoots video.

1: The camera lens, tripod, monopod and backpack lamp dedicated for cameras and cameras increase the input cost of cameras.

Not as cheap as mobile phones.

2. The fidelity of camera shooting is much higher and clearer than that of mobile phone, but it is not as easy to accept as beauty.

3. The anti-shake function of the camera itself is not as good as that of the mobile phone, which is more difficult for novices to control. Tripods and monopods, as well as pan/tilt, are required.

4. Most editors use computer software such as PR to edit, and the exported video software itself is relatively large, which can also be edited by using mobile APP.

Software editing, but the average price of mobile phones is easy to get stuck, which affects editing efficiency.

5: It is inconvenient to carry, and it needs protection when changing the lens. The lens links are vulnerable parts!

6. You can blur the background and deliberately blur all kinds of advertisements to make the protagonist clearer and more convenient.

Rest assured to put it on various mobile APP videos.

7. Sound reception is clearer than mobile phones, but it is also louder, in public places and noisy places.

You also need to use radio equipment, but the price of good equipment is slightly higher, usually ranging from hundreds to thousands, and you need a single person or

Multiplayer operation.

The difference is very big!

Similarly, for 1080P/ or 4k shooting, the picture analysis ability of SLR is better than that of mobile phone.

If you don't do post-color matching, you can't see that there is not much difference between the two, but it is more professional as a camera.

Although it is also 24 million pixels, the video light shot by the mobile phone hits the hair very hard (uncontrollable), and the SLR appears natural (controllable). Then you can't handle the color of this area later, and the SLR can easily change the effect you want.

If you want to record your life, the mobile phone is fine, but if you record your life with high quality, a SLR/lens/stabilizer/editing computer/this is essential.

First of all, from the perspective of video quality, of course, the video quality taken by the camera is relatively high. After all, cameras are used to take pictures and videos. However, the size of the camera is relatively large, and it is relatively heavy to hold in your hand, so it will be tiring to take video in your hand for a long time. The advantage of mobile phone is that it is relatively light and can be taken anytime and anywhere. If you choose a better mobile phone, its anti-shake effect is also better, but the anti-shake effect of general cameras is not so good.

Secondly, it depends on which aspect of the video you are concerned about. If you pursue high-quality, high-quality video, of course, you should choose a SLR camera. After all, it is a professional-grade shooting equipment. If we pursue the convenience of the equipment, that is, the convenience of the map, that is, the mobile phone is dominant, except that the picture quality can't catch up with the single, the others basically beat the SLR. In all fairness, many flagship mobile phones are still very effective in shooting videos. If you don't pursue high-quality pictures, buying a good mobile phone is enough for you to shoot things!

The difference between mobile phone and camera shooting video will be interpreted differently for different users. Take myself as an example. I'm an entry-level photographer, and I think using a mobile phone is enough. First, the definition is not obvious compared with the camera, but almost pixels. Second, portability is better than mobile phones. You can travel around the world in your pocket without becoming an extra burden. Third, the maneuverability is relatively easy and convenient to the machine, which is basically a fool-like operation. If you change to professional level, you will simply consider the clarity of image quality and the fidelity of color.

a mobile

1. Small and convenient, you can shoot at any time.

2. The shooting distance is limited.

3. Some mobile phones can't shoot the night scene. There will be noise when shooting at night.

4. The shot video can be transmitted directly through the editing software on the mobile phone. Edit the video. It is also convenient to send it to other websites.

Two cameras

1. The size is larger. Some are heavy.

2. the cost is relatively large. And easy to break.

3. Because the focal length is relatively large, the quality of photos and videos taken is better than that of mobile phones. It's not a level at all.

If you want to edit the video, you need to go through some other computers and equipment.

Generally, the field of vision of mobile phones is a small wide angle of about 28, and other focusing lenses cannot be replaced. In addition, the photosensitive element of mobile phone is very small, the bottom is high, and the picture quality tolerance is poor.

1. pixels first. Even if your mobile phone is iPhone 1 1, your pixel is not as good as a 3000 micro-single.

2. The mobile phone is lighter than the camera and can shoot at any time, but the camera is a little more troublesome.

3. When the phone calls suddenly, it will be interrupted. With the camera, you can liberate your mobile phone.

4. The camera is more professional to others. Pixels are really important. But if you just start making videos, you still recommend mobile phones, because good content is the key to good videos.