Therefore, a7m3 is used for wedding, and the relatively low-cost configuration can be considered as the auxiliary factory Longteng 28-75f2.8, Sony FE70-200f4, FE55- 1.8.
Longteng 28-70 has a good reputation and has been sold out or led to price increases.
Don't turn the SLR lens by turning the ring, the function is limited, and don't expect to be the same as the original bayonet. The fleeting snapshot is often the most test of the lens focusing ability and speed accuracy. Of course, this has a lot to do with your snapshot technology.