Re & 1.4/35 ASPH out-of-focus areas

[ABreull@aol.com]

In einer eMail vom 18.09.1997  20:51:04, schreiben Sie:

In einer eMail vom 18.09.1997  17:59:48, schreiben Sie [about your 
experience with the 1.4 ASPH Summilux]:

>The picture was taken pretty-wide-open, probably f/2, and while stuff in the
>plane of focus is tack-sharp, some out-of-focus leaves in the background
>have a kind of jarring, "jangly" quality (doubled, 
>improbably-hard-for-out-of-focus edges and the like).

I've just controlled 250 or 300 slides (E100s, exposed at 125 ASA), taken
with the 1.4/35 ASPH Summilux at f/1.4 to f4.0. I found no double shapes in
the out-of-focus areas, not in one pic. The change from (unsharp to) sharp to
unsharp areas is rather sudden, even on distances up to 7 to 10 meters,
similar as if taken with a "hard" 90 mm (hence not the 2/90 Summicron) or a
135 mm at max opening or one f-stop above. In my mind, the rather "hard"
management of out-of focus areas is in conflict or inconsistent with double
shapes. At least, I've never seen a _hard_ lens which produces double shapes
in the out-of-focus areas. -Alf