Breathing room for the X-H2?

Started 3 months ago | Discussions thread
JeffryZ Senior Member • Posts: 2,515
Re: Stacked Sensor is the key to improved AF

Canadianguy wrote:

Batdude wrote:

.... I don't need high FPS and a stacked sensor, so this A7IV might be just the right camera for me and although I have been saying for the longest time that I don't need more resolution, 33MP ain't bad. I shot with the 36MP Pentax K1 for a year and I had no problem. I really hate flippy screens but besides that this A7IV might be the camera for me.

Maybe a used Panasonic S1, but I like what I'm seeing from Sony so far.

I haven't seen anything about a XH2 and again, 40MP with those massive Fuji RAW file sizes is not attractive to me at all. Now, what would interest me is IF, the XH2 comes in a one single Pro body like a mini Canon R3. THAT would interest me and I would pay $2500, but to be very honest, besides that I'm not sure the XH2 will be the camera for me, and is almost November and it hasn't shown up.

I love stacked sensors because of the silent shooting but I have come to realize that it also the path to improved AF.

EVIL AF systems need samples to calculate the lens movements. The more samples it has the better the AF. Stacked sensors gives the processors more samples to work with.

With the faster readouts - the EVF frequency can also be boosted - which will improve out viewfinder experience and reduce lag and blackout times.

Getting sensors with faster readout times and matching them with faster processors is the key to improving our shooting experience with EVIL cameras.

In their review, DP says it is not a stacked sensor and is a bit slow. If you are shooting lossless RAW it can do about six frames per second (ten using "lossy"). The review also notes:

"Our first look at the rolling shutter rates suggest this isn't an especially fast sensor. 14-bit readout of the whole sensor for stills takes around 1/15 sec (~66ms), which is around seventeen times longer than the super-fast a1 takes to read out its sensor. This means silent shutter mode is likely to result in significant distortion with moving subjects."

But does comment on its improved autofocus capabilities.

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