Quote Originally Posted by Woolliscroft
There were plenty of focal plane shutters 75 years ago. Another plus with leaf shutters is that they produce less shock than FP, so they can be easier to hand hold at slow speeds and can even produce slightly sharper results on a light tripod.

Actually, this makes sense...In physical terms, the movement of a leaf-shutter exerts an equal force over 360 degrees on a flat plane whereas a focal-plane shutter does a 180 degree movement on that flat plane; thus there must be some transfer of movement in the opposite direction.

...And so his education in all things photographic continues!!!

Thanks all,