The two follow-ups are not very powerful, and the wedding follow-ups don't pay much attention to artistic effects. The main thing is to ensure that all important occasions can be photographed. The focal length of APS frame of small spittoon is too long, which makes it inconvenient to focus. The focal length of biscuit head is slightly shorter, but it is not convenient to focus. It is recommended to choose a zoom head. It doesn't matter if the aperture is small. The ISO setting is higher. There is no problem when you go back to lightroom to check the noise.