I have to agree with you. Safely handling data is the key. Who knows, that may probably be the reason some Nikon batteries exploded in the past, maybe extremely engineered cameras to milk out too many fps? Some Nikon cameras could not even take advantage of their full speed potential unless gripped with 2 batteries inside... Overall, I think Canon put greater attention on certain aspects of safety with respect to Nikon.RickWagoner said:There is a bunch of factors that go into fps. Shutter operation life, Mirror system design, Focus system, Data handling like a buffer for example, how much data is being sent, memory card speed, battery life, etc. Each of these can be affected by other operations in the camera, like for example is you're full manual but have auto ISO then your buffer rate will take a hit and that will affect how the mirror flip works.
I would not compare a 7d2 fps to a full frame as the mirror system in under a completely different load on a smaller mirror and also a smaller shutter for a smaller sensor.
If Canon would to put a 10fps burst speed in the next 5D then they either have to invest in a new mirror and shutter system, borrow one from the 1dx, or create a hybrid of both. Borrowing may be the least in cost and R&D at first but may cost much more in production. Creating a new system would cost lots of money and time to make sure it is ready for prime time, creating a hybrid is the best option as it won't need as much money invested but still lots of testing time. Is this one feature worth so much in the next 5D? Remember Canon still has to work this out with the other parts that are affected by a 10fps burst.
What i do know is Canon most likely down rated the 5D3 fps in software for quality and reliability. Like German cars detune HP and Torque from their engines via software. Most likely the 5D3 can do a 7fps burst and all the parts inside can handle it, maybe even 8fps. Even in the older parts they are using in the camera.
With todays parts they could put a 9fps burst but most likely will detune it to 8fps or 7fps in software for quality and reliability. If i had to guess it i would go 7-8 fps max and would be surprised they go 9 fps even with a battery grip.
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