Anyone having this problem with the Sony A7? black area of image.

Started Jul 30, 2014 | Discussions thread
Brian_Smith Senior Member • Posts: 2,976
Re: Anyone having this problem with the Sony A7? black area of image.

SQLGuy wrote:

But that still doesn't make any sense. A manual lens isn't a lens at all as far as the body is concerned - it's just a spot of light hitting the sensor.

What about if the OP removes the lens and just shoots without a lens at the same ISO and shutter speed, with EFCS on? My bet is that he's still going to see that shadow.

Page 266 of the Sony A7 User Help Guide notes:

"When a lens made by another manufacturer (including a Minolta/Konica-Minolta lens) is used, set this item to [Off]. If you set this function to [On], the correct exposure will not be set or the image brightness will be uneven."

Granted, they could explain "brightness will be uneven" a bit better - but it refers to edge darkening as shown in the example.

The same page also notes:

"When you shoot at high shutter speeds with a large diameter lens attached, the ghosting of a blurred area may occur, depending on the subject or shooting conditions. In such cases, set this function to [Off]."

I don't see ghosting in his example, but either way the solution is the same. Turn off EFC.

I've only heard of EFC incompatibility mentioned with telephoto legacy lenses - but it may not be limited to long glass.

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