Greg Beetham wrote:Yes Agorabasta I remember, but the divided pixels in the Canon are different to your design, the result AF wise might be similar but the Canon design wouldn’t have alternate one colour column layout, but even with that new method the jury is still out on how much light loss there actually is.
Greg Beetham wrote:The 70D doesn’t even score as well as the A77 overall and that camera is no world beater these days and wasn’t back in its day either.
Greg Beetham wrote:I remember seeing a diagram at one time of the Sony proposed on sensor PDAF and every second row was taken up with focus diodes (probably not the full height admittedly) which would amount to a large % image loss. The image is then re-constructed by data value association of adjacent pixels, for stills, but probably not for video. (or so I read)
I have no idea if that is the actual current or future Sony layout of course, they could have ended up doing something different.
Greg Beetham wrote:Ps As far as the 100 thousand AF pixels go for AF on the Oly, do you have a link? 100k is 100k in my book, it’s a lot more than none. My three DSLR’s don’t have any on sensor AF or exposure diodes.
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