"Object shading" when the front element is retracted at ∞? Which mountain are you shading with the lens? I think it's a good idea to use the focus ring partly as lenshood and as well mechanical limit to not touch the front lens at close distance.
"The lens does - seemingly - show a depth-of-field scale but this has more decorative values rather than being useful (it is way too coarse)." DoF scales never were really useful. As if there would be any kind of sharpness at f/22...
"The lens does - seemingly - show a depth-of-field scale but this has more decorative values rather than being useful (it is way too coarse)." DoF scales never were really useful. As if there would be any kind of sharpness at f/22...