This driver is often buggy.

There was a bug in this update as well, but I was able to work around it by following the steps on the blog.

There are two points.

1. Do not connect automatically (set without connecting to the device)

2. In the driver control panel, delete only the setting name part and set. (Enter the aperture and focal length.)

The operation of the purge button → default button explained in the blog is also performed without connecting to the device.

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