Seen the advantages of SLR cameras do not impulse after the fact, not the more expensive the better equipment, first to confirm whether you really need an SLR camera, then calm down, let's look at SLR cameras shortcomings of it.
Bulky, inconvenient to carry
Since SLR mirror and pentaprism is essential, then a small body naturally can not do. In order to ensure a solid, material can not be saved in determining the weight and volume can not be more ideal. Too conspicuous huge camera when shooting humanities subjects even affect the subject's emotions, too easy to give a feeling of constriction. Carries also a problem. (As shown, using an SLR, you never know what the future still need to take the lens, of course, you also need a larger bag.)
Mechanical vibration and noise
Reflectors work, as well as fast opening and closing of the curtain, when the vast majority of SLR camera noise are large, quiet environment in some of the requirements can not be used. Especially reflective plate vibration, even without any external force, its own vibration will affect image quality when shooting night To avoid shock, it is necessary to open mirror lockup to prevent camera shake when the screen jitter.
WYSIWYG negative impact
As through the lens viewfinder, although WYSIWYG, but shooting is also controlled by the constraints of the lens, vision brightness influenced by the lens, using a relatively large maximum aperture of the lens, the viewfinder may be bright, but the use of a branch viewfinder lens aperture is relatively small, the vision will be more dark.
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