About shooting with fixed focus lenses such as Canon small spittoon

I own this lens.

1. 50mm represents the actual focal length of the lens. On a full-frame camera, the equivalent of 35mm film is 50mm focal length. If it is on a half-frame camera, it is equivalent to 80mm. F1.8 means that the maximum aperture of this lens is F1.8

2. No, if you open the aperture wider and get slightly closer to the subject, you can get a good blur effect.

3. Yes, because the maximum focusing distance of the lens is infinity. But recently it's only 45 centimeters.

4. Photo studios will not use low-end lenses like small spittoons. Because in addition to the 50 1.8 Canon also has the 50 1.4 and the 50 1.2.

If you are in a photo studio, the 50 1.2 lens is the best. Red circle, the lens price is about 11,000 yuan.