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308 “Custom” (Gear icon) Menu Settings

“Shading” variable, which gets applied to RAW files too! Purists should
start rioting now.)
Normally I’d recommend keeping all three of these variable set to ON all
the time. Because they are computationally expensive, the only time you
might benefit when turning it OFF is if you need to shoot a ton of high-
speed (12 pictures per second) images and don’t want to wait as long for
the buffer to empty. (And if that describes you, then you should also turn
off high ISO noise reduction, and set .jpg quality to “Standard” to really
maximize that already pretty big buffer.)

6.29.1 SHADING

The first setting is the easiest
to see: A darkening in the
corners, and almost all lenses
have it to some degree.
(Worse, sometimes you’ll
have more of it as you zoom
in or out, making it difficult
to correct for as a batch
program on your computer).
The rest of the world calls this Figure 6-24: An extreme case of
“Vignetting”; however Sony Vignetting (Shading) in the corners. (And
didn’t want to scare you off no, I didn’t take this picture…)
so they called it “Shading”
instead. You can see an extreme example of Vignetting in Figure 6-24. If
you want to get rid of it programmatically, just set this function to AUTO.

TIP: ‘Shading’ is the ONLY special effect within the A77 II that applies to RAW
files as well as .jpg. (And if you’re a purist like me, you’d be saying “It
shouldn’t be applied to RAW at all!) C'est la vie.

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