Find the aperture value at which your lens shows the best sharpness, and use this value whenever possible (most often it is f/8 or so).
If you don’t have enough light, or if you want to highlight the main subject using a shallow depth of field, increase the size of the aperture, but try not to open it completely unnecessarily.
If the need has come, feel free to open the diaphragm and do not worry about it. In situations where you may need it, the aperture value is not the most important factor limiting the sharpness of images. The wiggle spoils the image much more ruthlessly than any lens aberrations. Continue reading
Enthusiasm is the basis of success. No creative activity is possible without enthusiasm. Nothing can replace it. It is much more important than any knowledge and experience, because it itself gives a person both experience and knowledge. Knowledge and experience are absolutely powerless without enthusiasm.
Fading enthusiasm is what doomed my scientific career to failure. Fortunately, I realized in time that I was not doing my job. Many people do not understand this, or maybe they are just afraid to admit their mistake, stubbornly continuing to do someone else’s work. The effectiveness of the operation to be performed without enthusiasm, is negligible.
What is enthusiasm? I understand it not just as a sense of purpose, but as an emotional lift, an inspiration aimed at achieving a goal. Continue reading