Traditional Culture Encyclopedia - Photography major - As a beginner in photography, I have heard of "bull's head", "dog's head" and "horse's head", but I don't know what it means.

As a beginner in photography, I have heard of "bull's head", "dog's head" and "horse's head", but I don't know what it means.

Refers to the lens, the one with good optical performance is the "bull's head". Of course, this kind of lens is a professional lens, and the price is not affordable for ordinary consumers; "Dog Head" refers to cheap lenses with low performance and price, among which there are many high-quality lenses with high cost performance.