Traditional Culture Encyclopedia - Photography major - If you know photography, come and take a look. I don’t know what this means. I want to learn photography.

If you know photography, come and take a look. I don’t know what this means. I want to learn photography.

EF is the Canon SLR camera interface, the focal length range is 24-105mm, f/4 means that the maximum aperture of the lens is F4.0, L is the logo of the Canon red circle lens, IS optical image stabilization, USM is Ultrasonic focus motor, F4, 1/100 second, the aperture is F4.0, and the shutter speed is 1/100 second.