The photo is not sharp, let's see if it's the problem with these settings.
By Rois Golan 2020-02-24 1535 7
Depth of field.
Without a correct understanding of the depth of field, it is easy to make the picture not sharp enough. Many fans who are new to photography often shoot with a large aperture when they use a large aperture lens for the first time, and then look at the work and then find that the picture is blurred. This is actually caused by the shallow depth of field. When shooting with a long focal length and a large aperture lens, there is a clear image in the range before and after the focus, and the rest is blurred out of focus. On the other hand, too large aperture and long focal length will make the clear range of focus too small, causing the picture to appear blurred. Therefore, it is necessary to reasonably control the aperture and focal length when shooting.
The wrong focus can also blur the picture. When shooting, if you make a mistake in focusing or do not close the focus accurately, the picture will also become blurred. This is because the range of clear focus is limited, the focus deviation caused by focus error will make the main body of the picture outside the clear range of focus, which will also make the picture blurred.
The blurred picture caused by improper shutter speed setting is also one of the more common problems. The shutter speed controls the amount of light in the picture and the exposure time of the picture. Although the shutter speed can be adjusted according to the actual shooting, the shutter speed adjustment will have some limitations when shooting or shooting fast-moving objects by hand. Due to the limited stable time of hand-held shooting, too slow shutter speed will make the picture dither and blur. Therefore, when setting the shutter speed, it needs to be adjusted according to the actual focal length of the lens used. Generally speaking, the shutter speed of a hand-held shot should be the reciprocal of the focal length of the lens. For example, when shooting with 50mm's fixed-focus lens, the shutter speed is set to 1pm 50 seconds or more, so that the probability that the picture will be blurred due to insufficient shutter speed will be greatly reduced. For scenes shooting fast-moving objects, a higher shutter speed is generally needed to ensure the film formation rate.
Of course, the use of Nikon's VR damping function can also ensure a certain film formation rate at a slower shutter speed. Taking the Z-7 as an example, this model uses an in-camera VR shock absorber, which can provide about 5 gear increase in shutter speed (based on the (CIPA) standard of Japan International camera and Imaging equipment Industry Association). This value is obtained when the Nicole Z 24-70mm fhand 4S lens is installed and the zoom is set at the telephoto end. ). It uses the motion vector information of the image and the gyroscope sensor to detect the camera jitter, and then drives the VR shock absorber to provide compensation in five directions.
These functions and techniques make it easier for you to take a clear image. If you often worry that the photos are not sharp enough, then pay attention to these aspects and operations, I believe it can bring a lot of improvement to your photos.
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