When taking a picture with a camera, it tends to be near the open f-number (aperture) when taking a blurred picture, and a high f-number when taking a landscape.
However, if you do not understand the mechanism of the optical axis of the lens, it will cause a diffraction phenomenon (small aperture blur) that deteriorates the image quality.
Be careful.
Please let us know your favorite f-number in the comments.
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0:00 ▼ Table of contents ▼
0:16 Contents of this time
1:44 Do you know the diffraction phenomenon?
2:21 What is small aperture blur?
4:42 Closely related to aperture
7:16 Image with f-number changed
8:03 Isn't it better to stop down the aperture?
9:38 Benefits of narrowing down the aperture
13:20 Example of aberration (lemon blur)
14:59 What is the optimum aperture value?
15:58 Example (landscape photography)
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