ritholtz said:
dilbert said:
Canon 5D Mark IV burst: 21 @ 7fps = 3 seconds
Sony A99 II burst: 54 frames @ 12fps = 4.5 seconds
Both represent raw images.
Problem is with the Canon there is high probability of getting subject in focus for all 21 frames. With Sony you are only guaranteed to get 1st image in focus. Can you check few posts above where someone posted continuous shooting limitations with aperture setting. How does it affect in real life shooting?
What was said above is this:
Saw this in the A99II brochure: "Furthermore, when “Continuous Shooting: Hi+” is selected, focus will be fixed at the first frame shot when Hybrid Phase Detection AF is active at aperture settings of F9 or higher, or when Hybrid Phase Detection AF is not active at aperture settings of F4 or higher.
So what does that mean?
Well it means if you're shooting 12fps basketball at f/2.8 with a 70-200 with "HI+" selected, you don't have to worry.
Similarly if you're at a wedding indoors and using a 85/1.4 at f/1.8 at 12fps, you still don't have to worry.
If you want to shoot at f/11 with continuous autofocus then you need to disable the Hybrid Autofocus mode or drop the frame rate from 12fps to 8 fps (still faster than the 5D Mark IV.)
The problem here isn't that it won't work at all but rather the logic table for when it does/doesn't is too complex.
Here's a link to detailed specifications for the A99II:
http://sonyglobal.scene7.com/is/content/gwtvid/pdf/2016/A916/1e06f5296792e980.pdf
The brochure presents it like this:
Drive Speed (approx., max.)*3 Continuous shooting: Hi+: 12 fps, Hi: 8 fps, Mid: 6 fps, Lo: 4 fps
*3 Varies according to shooting conditions or memory card used
- New Hybrid Phase Detection AF system: 79*1 + 399*2 points, 79*1 Hybirid Cross AF points*3
- High-speed continuous shooting at up to 12 fps*4 with AF/AE tracking*5, or up to 8 fps*6 in live-view mode with minimal lag
[list type=decimal]
[*]The number of usable AF points may depend on the lens and shooting mode.
[*]The number of usable AF points may depend on the lens and shooting mode. Up to 323 focus points are selectable. Not available for movie recording.
[*]Hybrid Phase Detection AF active. The dedicated phase detection AF sensor or focal-plane phase detection AF sensor may be used independently in certain photographic situations.
[*]Continuous shooting mode set to "Hi+"
[*]The supported focus area will depend on the shooting mode and lens used. Furthermore, when “Continuous Shooting: Hi+” is selected, focus will be fixed at the first frame shot when Hybrid Phase Detection AF is active at aperture settings of F9 or higher, or when Hybrid Phase Detection AF is not active at aperture settings of F4 or higher.
[*]Continuous shooting mode set to "Hi+"
[/list]
Yes, it's complex, probably too complex for too many.