Hey guys!

I didn't realize it at the time, but this shutter doesn't appear to have either a place to attach a shutter release cable or a T or B setting for through the lens viewing. It clearly looks like this lens was used in camera photography, but how?

https://i.ebayimg.com/images/g/x4IAA...7C/s-l1600.jpg
https://i.ebayimg.com/images/g/LrUAA...7C/s-l1600.jpg
https://i.ebayimg.com/images/g/J9kAA...7C/s-l1600.jpg