The focal plane is connected to the paraxial axis, and the SLR (photographic equipment problem).

There are many famous film title factories, and ACDK No.4 Factory is very good.

It's easy to play movie titles, such as lomo's house and som's house.

Now there have been many changes in the bayonet, and the pressure of the SLR will be smaller than that of the paraxial.

Then the C port and S port are small, suitable for micro-single or something.

In fact, covering the residual pair and the whole picture depends on the actual performance.

For example, 16mm nail head C seems to cover the whole suit, but many large ones can't be used in C pairs or the edges are seriously tarnished.

Film titles are really difficult to play in China, so few people play them. . . But it's hard to play, and no one speculates.

It is almost impossible to compare the environment between Hongkong and Taiwan Province Province.

So do more forums.