Traditional Culture Encyclopedia - Travel guide - During the summer vacation, many people take pictures with digital cameras. Why are the photos blurred and not as clear as the mobile phone? Isn't a digital camera better than a mobile phone?

During the summer vacation, many people take pictures with digital cameras. Why are the photos blurred and not as clear as the mobile phone? Isn't a digital camera better than a mobile phone?

Now the imaging quality of mobile phone cameras is getting closer to that of small digital cameras. Small DC is not as convenient as mobile phones, and fewer and fewer people use it now. The imaging quality of SLR and single battery is higher than that of mobile phone. Why ambiguity involves two aspects. One is the depth of field and the other is the shutter time. The size of the photosensitive element of SLR is much larger than that of mobile phone and small DC, so in the case of large aperture, the scene of SLR is deep, the focus of shooting still life is clear, and the background is easy to blur, that is, blur. Mobile phones and small DC photosensitive elements are small in size. Even if the aperture is large, the depth of field is still very large, and it can be seen that both focusing and non-focusing are very clear. Non-professional photographers often shoot directly without paying attention to focus, and it is not clear that it is easy to lose focus when the depth of field is shallow. However, whether the focus of the mobile phone is accurate or not, because of the large depth of field, the scenery of the whole photo is within the depth of field, so it looks very clear. Except for the shutter time, the shutter time is generally higher than the reciprocal of the focal length, which is considered as a safe shutter and will not blur the image because of unstable hands. The focal length equivalent of a mobile phone is generally short, which is longer than the safety shutter time of a telephoto camera, and it is not easy to cause hand shake. SLR also has many functions. Unprofessional people often drive the wrong gear, and if they don't pay attention to the aperture shutter, there will be more opportunities for mistakes. Compared with mobile phone fools, mobile phones are less likely to make mistakes, so ordinary people may use mobile phones or small DC to shoot.

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