I was reading the reviews of the LA-EA5 on Sony.com...

Started 10 months ago | Discussions thread
sybersitizen Forum Pro • Posts: 21,814
Re: I was reading the reviews of the LA-EA5 on Sony.com...
2

toughluck wrote:

tqlla wrote:

toughluck wrote:

The only dick move by Sony is that they never explained the technical reason for the limitation.

There was never a good marketing reason for the F3.5 limitation.

You mean there was never a good marketing excuse. There was NO technical reason for the F3.5 limitation. The original A77 COULD AF without the F3.5 limitation using a combination of button presses. That loophole was closed via a firmware.

We don't know that. Nobody ever did exhaustive autofocus testing at various apertures to check if it would work well with every combination.

Yes, we do know it. We can see AF-C working with any lens wide open by operating the camera in stills mode with the shutter button half-pressed. Video AF would work the same way, just intentionally slower. This has been observable in SLT cameras since 2010.

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