[Leica] OT - Sony Alpha 7R

[john at mcmaster.co.nz (John McMaster)]

http://www.getdpi.com/forum/sony/50131-pixel-paradise-a7r-24-70-28-70-55-f1-8-compared.html

john

-----Original Message-----


The 2 zooms aren't out yet, but you're right about the kit lens (not Zeiss, 
I think).
-Lew Schwartz


On Thu, Feb 20, 2014 at 3:19 PM, Sonny Carter <sonc.hegr at gmail.com> wrote:
> Lew, I think there are now four available, the 55, the 35, and two 
> zooms, one only as a kit and a similar faster one.
>
>
> On Thu, Feb 20, 2014 at 12:14 PM, Lew Schwartz <lew1716 at gmail.com> 
> wrote:
>
>> As of now, there are only 2 native lenses.
>> The aperture is constantly adjusting in auto exposure modes.  This 
>> gives the camera one less thing to do when you press the shutter. The 
>> vf adjusts for changing light levels.
>> On Feb 20, 2014 9:40 AM, "Frank Filippone" <red735i at verizon.net> wrote:
>>
>> > Paul... is this true for all native A7R lenses?  All AF is done at 
>> > aperture?  Ditto the A7?
>> >
>> > Sequence as I understand it then is....
>> >
>> > Push button to shoot
>> > Lens stops down
>> > AF happens
>> > Shutter goes click
>> >
>> > AI this true in all focusing modes?
>> >
>> > Note non-native lenses work this way as the aperture mechanism is 
>> > not engaged in any way by the camera... the lens is always stopped 
>> > down to taking aperture...
>> >
>> > Frank Filippone
>> > Red735i at verizon.net
>> >
>> > \That may be one reason why they use focusing at the stopped down
>> aperture.
>> >