How to choose entry volg, SLR, micro-single, card machine and mobile phone?

This is the initial question when we first came into contact with photography, and it is also a concern of everyone.

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At present, the number of pixels in mobile phones is as high as 40 million, and all kinds of dual-camera and triple-camera emerge one after another. Huawei P30pro can shoot the moon. Why are there still180,000 pixel SLR micro-cameras, and they are expensive, so why buy thousands or even tens of thousands? Is the picture quality and effect really that different from that of a mobile phone? Is it necessary to buy a special camera? What can't the mobile phone do now?

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Photo of Huawei P30 PRO

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What's the difference between SLR, micro-camera, card machine and mobile phone on the market (not to mention single camera and paraxial camera)? How do novice photographers choose the equipment that suits them?

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First of all, we should know that the core of camera quality is

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CMOS photosensitive element

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Complementary metal oxide semiconductor (CMOS)

Also known as CMOS photosensitive element or CMOS image sensor, it is also called sensor in some evaluations.

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CMOS sensor in canon EOS 5d mark ⅳ

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This is the electronic chip that converts optical signals into digital signals in the camera, and it is also the core of the camera. It is the most critical technology in this field. The imaging quality is closely related to the quality of cmos process, and the technical principle is complex. However, in the cameras that consumers can buy, the key factor affecting the image quality is the size of cmos sensor.

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Regarding the quality of camera cmos, the most intuitive statement in the industry is that "the bottom is greater than the bottom", that is, the image quality of large-area cmos is directly linked to small-size cmos, and the larger the cmos chip area, the better. A large area means that the stronger the ability to perceive light, the wider the exposure range and the better the imaging quality.

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According to the size of cmos, there are many camera types of different brands, such as 36*24mm Quan Huafu and APS-C.

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CMOS size comparison

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Professional SLR or micro-monocular cameras mostly use cmos from Quan Huafu, such as EOS R from Canon and A7 Ⅲ from Sony. So the price is also very high. Small SLR and micro-single camera adopt half-frame cmos, such as entry-level SLR cameras such as Canon 100D and 200D. Its advantage is that the camera can be relatively small and easy to carry.

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Cmos size of mobile phone

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Ordinary digital cameras and mobile phones, in order to make their bodies compact, use smaller cmos sensors, mainly due to the limitation of the internal structure of the body, cmos size can not be made very large. These products are mainly portable and light, and their positioning is more oriented to ordinary consumers.

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In addition to cmos size scrolling, SLR and micro-single camera have a significant advantage.

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Replaceable lens

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Photography is the art of using light, and the lens is for light. A large number of shots bring more possibilities for shooting. By changing different lenses, we can get different apertures, different focal lengths and different perspectives, which brings more possibilities for creation.

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For example, if you often use a large aperture fixed-focus lens to shoot portraits, you can get a more beautiful background blur and a better-looking portrait. The telephoto lens allows you to clearly take pictures of distant scenery and sneak shots of beautiful ladies thousands of miles away ~

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Although the lens is an accessory of the camera, the price of the lens is also very high, and some may even go far beyond the fuselage. Let's just say that the camera is just an accessory of the lens. The importance of the lens and its influence on the image quality are self-evident, and the price determines its value, so I won't go into details here. Later chapters will talk about the lens in detail.

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The difference between SLR and micro-single

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Many people have a misconception that only SLR is the best. The name of the micro-single is a miniature SLR, or a small camera is called a micro-single, but it is not.

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It should be emphasized that SLR and micro-single are not the same. As mentioned earlier, the key to image quality is cmos size. Both SLR and micro-single can have cmos of Quan Huafu, half frame and other sizes, and both can change lenses.

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The difference between SLR and micro-single is the different framing methods.

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SLR Camera is abbreviated as SLR camera in English, that is, single lens reflex camera.

Principle of SLR camera framing

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A mechanical structure such as a mirror and a pentaprism is installed in the SLR body to reflect light, so that the human eye can directly see the angle of view outside the lens. This optical framing method requires space to install a reflector and a pentaprism, so the SLR is generally large.

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Micro single camera is also called mirrorless camera (single lens mirrorless viewfinder camera).

Abbreviation: mirrorless cameras or? Mirrorless camera

Comparison between SLR and micro-single

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The micro-single cancels the reflector and pentaprism structure and adopts the electronic viewing mode of LCD screen, so the body is relatively small, which can give consideration to both image quality and portability.

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merits and demerits

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From the comparison, the portability and high image quality of micro-single can be taken into account at the same time. Personally, I think this will be the future development trend, but there are still many shortcomings at this stage. Choose SLR or micro-single, depending on personal preference.

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Thanks to the long-term development, SLR has a perfect lens group system and the price is relatively cheap. Because of its optical framing structure and LCD screen, both framing methods can be used, and it is more energy-saving to use optical framing.

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Most of the micro lenses are produced by Sony, and the lenses are expensive. However, it should be noted that Sony's micro-single-lens E-mount is not fully compatible with SLR lenses. However, thanks to the development of micro-single, devices such as lens adapter ring have also been produced, which makes high-quality SLR lenses perfectly compatible with micro-single. Major camera manufacturers have also introduced more micro-single cameras and micro-single lenses, and the quantity and quality have been continuously improved.

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Card machine and mobile phone

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Card camera refers to an ordinary digital camera, which is neither a SLR nor a micro-camera. Its shape is relatively smaller and its body is thinner, just like a card.

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Canon G7X Mark II Card Machine

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The lens of the card machine and the mobile phone cannot be replaced, and the camera takes the same electronic view as the mobile phone. Like the mobile phone, it has the characteristics of simple operation and convenient carrying, and can be put into the pocket at will.

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The cmos of a mobile phone is generally the size of the lens cover of the mobile phone. Shooting night scenes with mobile phones, because of the limited light receiving ability, has too much noise in night scenes, which is the biggest shortcoming of mobile phones and the lack of hardware conditions.

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Huawei P30 Pro

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In recent years, mobile phone manufacturers have made a lot of efforts to make mobile phone photography more powerful. Huawei p30pro adopts11.7-inch outsole CMOS(IMX600), and designs a periscope telephoto lens to achieve five-fold optical zoom, which has qualitatively improved its photographic performance and caused a sensation in the industry.

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The cmos size of card machines is mostly less than half a frame, but there are also half a frame cmos card machines. In recent years, Quan Huafu card machines have also appeared one after another, which makes the image quality and portability to the extreme. In the past few years, when the SLR micro-single was popular, the card machine gradually lost its right to speak. However, due to the increasing efforts of Quan Huafu card machine manufacturers in recent years, it is predicted that the spring of card machine will come soon. However, as the camera function of mobile phones becomes more and more powerful and micro-sheets become more and more portable, will the spring of card machine really come?

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Write it at the end

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No matter how to choose between portability and image quality, photography is always a pursuit of life. Equipment is just a tool for us to record good things. No matter how heavy the SLR is, it is not a burden for us to travel. As for the choice, there is no absolute difference between good and bad. What suits you is the best. In fact, the threshold for photography is not high. The key lies in whether you have a young heart to work hard, whether you have the vision to explore and struggle, do what you want to do and become the person you want to be.

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Regarding the official account of WeChat, I am ready to do what I want to do one day. When Xiao K and I were very tired in our work and life, we thought of poems and distant places, hoping to travel and record them in the form of vlog, so we began to learn photography and video recording to increase the sense of ceremony in our lives. We will sort out what we have learned about photography and share it in the official WeChat account, which will also deepen our understanding of photography. We also hope to meet more friends with the same hobbies. It would be better to help some friends who want to learn photography but can't start.

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