Every A lens I've disassembled to this point (28/2.8, 50/2, 50/1.7, 50/1.4,
135/2.8)
all have the elements "packaged" in their own unit. Air vents through the
aperture's
mechanical interface.
Collin
At 09:45 AM 2/10/01 -0800, ShelB wrote:
>I don't know how accurate that is. It seems that a lens has to
>be vented in some manner to allow for air to move when
>temperatures change, or when element groups are moved when
>focusing.
>
>--
>Shel Belinkoff
***************
"The accumulation of all powers legislative,
executive and judiciary in the same hands . . .
may justly be pronounced the very definition of tyranny."
--James Madison, Federalist 47
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