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[OM] More A7r musings for new FF OMZ back

Subject: [OM] More A7r musings for new FF OMZ back
From: usher99@xxxxxxx
Date: Fri, 22 Nov 2013 15:55:13 -0500 (EST)
http://tinyurl.com/pxbkvdx


Totally swamped these days and seemed to have not appreciated the A7 
had an EFC option. Clearly Sony would not cripple the A7R but must have 
had trouble getting the data off fast enough to allow for that. 
Curiously the sync speed is slower for the A7R so perhaps they 
engineered the first curtain as to have less shutter shock and that is 
a by product. Is that a reasonable hypothesis? Have not researched 
shutter shock on it much yet but they are barely shipping in some 
places so probably not much data. The max shutter speeds (1/8k) are the 
same but suspect they could do some fancy foot work engineering with 
the size of the slit with 2nd curtain or some such to accomplish that. 
Curiously the microlenses on the A7R don't seem to dramatically help RF 
WA lenses work that well w/o corner smearing/color artifacts. The red 
dot people seem to have that market still though they engineered their 
sensor explicitly to allow for that.

Mike


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