Joseph Woodland
Member
Never heard of the lens brand thing before - what was the reason?
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Thomas
You might like this image more than the previous one .
View attachment 35562
The little markers 1 , 2 , 3 , 4 would still be on the new scale ring and of course would correspond to the other little markers .
Frankly, I think these rings are one of the most valuable additions to the tech-cam arsenal. They resolve the biggest problem with tech cam use. It's all well and good to use a disto to measure focal distance, but how can you quickly and accurately transfer that to the lens? Viola! Alpa offer us a solution.Pardon, but frankly... I complete fail to see the point of these rings. The numbers are odd numbers with decimals, then how can one know what the intermediate ticks translates to???
It seems with a trained eye one would with no less accuracy be able to use the standard helical scales. Perhaps addition of tick marks at numbers to those standard helical scales would enable to better use eye measure for what in increments of 1/5th or 1/10th are points between them, thus would seem superior to these new Alpa rings?
Regards
Anders
The focusing rings on the Schneider lenses are different diameters. Apparently, the HPF rings are all the same size so the O-ring (rubber band) fills the gap between the HPF ring and the focusing ring depending on where it is placed.Why does the Schneider lenses need a rubber band?
Alpa has published a reference guide with the figures for all the intermediate ticks.. . . then how can one know what the intermediate ticks translates to???
My rings have arrived today . Mounting the first one , was quite tricky , but to mount the others , it just took me five minutes per ring .Alpa has published a reference guide with the figures for all the intermediate ticks.
The original ring of the focus mount is made of rubber .Jürgen, does it change the feel of turning the focusing ring much?