SLR camera What is a bull's head lens?

The so-called bull head is actually a high-end lens. This kind of lens has sufficient materials, good workmanship and the highest performance.

This kind of lens has the same feature, that is, the aperture is large. Constant large aperture zoom lens and large aperture fixed focus lens are both bull's heads.

The bull's head is a high-end head, such as Canon's red circle, Sigma's gold circle, fever-grade Leica Zeiss, constant aperture, ultrasonic motor and large caliber.

The dog head is for some amateur photographers and beginners, and the imaging is average.

However, the prices vary greatly. For example, Canon's 18-55 dog head 1300 yuan, 17-55 2.8 7000 yuan.