What is the effect of using Quan Huafu lens in aps format camera?

The Quan Huafu lens used in APS format camera also works well.

1, Quan Huafu lens is better than APS frame lens, like Canon's red circle is Quan Huafu lens, Nikon's gold circle is also Quan Huafu lens;

2. The focal length of Quan Huafu lens used in 2.APS format camera needs to be multiplied by a certain coefficient, for example, the coefficient of Canon is 1.6, and that of Nikon and Sony is1.5;

3. When Quan Huafu lens is used in 3.APS camera, there will be some loss at the wide-angle end, but the telephoto end is also longer, and the advantages and disadvantages are complementary.

4. The following is a screenshot of a portrait taken by Canon 70D, a photo Fons photography website, using EF35mmf/ 1.4: