The focusing lever is a real necessity, in my opinion, on the S2 and later cameras with the helical.
For really quick focus, I like the Type 2 bellows, which also has full view camera movements for macro. It makes the camera bulkier, but I find it easier to follow focus with the rack and pinion mechanism on the bellows.
I tried an SQ-A once, and it focuses much more easily than the S2a. The camera is lighter, and with the lever-wind grip and a prism it feels like a 35mm SLR.
For really quick focus, I like the Type 2 bellows, which also has full view camera movements for macro. It makes the camera bulkier, but I find it easier to follow focus with the rack and pinion mechanism on the bellows.
I tried an SQ-A once, and it focuses much more easily than the S2a. The camera is lighter, and with the lever-wind grip and a prism it feels like a 35mm SLR.