Archived posting to the Leica Users Group, 2014/02/21

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] OT - Sony Alpha 7R
From: sonc.hegr at gmail.com (Sonny Carter)
Date: Fri, 21 Feb 2014 23:48:41 -0600
References: <27260333.1393040158349.JavaMail.root@elwamui-rustique.atl.sa.earthlink.net> <024c01cf2f90$3bfa4fd0$b3eeef70$@verizon.net>

Couldn't the camera calibrate the lens? After all, it is an optical 
computer; what is one more task added? 

Sent from my iPhone

Sonny Carter
http://www.SonC.com/look


> On Feb 21, 2014, at 11:37 PM, "Frank Filippone" <red735i at verizon.net> 
> wrote:
> 
> That would require calibration of each lens ( maybe they all act the
> same????)...
> 
> I would think of this as a really good idea, but I also thought a R10 was a
> really good idea......
> 
> Frank Filippone
> Red735i at verizon.net
> 
> 
> Frank Filippone wrote:
> 
>> 
>> If you are focusing at working aperture, what advantage is there to 
>> native lenses?
>> 
>> I'm not so sure Sony has this thought out......
> 
> For those who are interested in such things, native-mount lenses will allow
> shutter-priority and program exposure modes, and AF.
> 
> Another way to handle focus shift would be to program the lens to tell the
> camera how much shift there is at various apertures.  Given this would be a
> native-mount lens the camera would know what aperture the lens will be
> using.
> 
> Doug Herr
> Birdman of Sacramento
> http://www.wildlightphoto.com
> 
> 
> 
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


Replies: Reply from red735i at verizon.net (Frank Filippone) ([Leica] OT - Sony Alpha 7R)
In reply to: Message from wildlightphoto at earthlink.net (Doug Herr) ([Leica] OT - Sony Alpha 7R)
Message from red735i at verizon.net (Frank Filippone) ([Leica] OT - Sony Alpha 7R)