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Here are the 5 minute benchmark test results for the Komputer Bay cards

Quite a difference in the test results.

Different modes - photo and video

I was going to update the firmware back to the original settings on the 5d mark iii, take out the SD and CF card and exchange the camera.

This won't help. Solution is not invented yet. Read this:

http://www.magiclantern.fm/forum/index.php?topic=6035

Is having digital blue lines or vertical lines normal/is there a way to prevent this?
Should I exchange the camera? (its only roughly 15 days old)

Komputerbay cards are not too reliable - just sent back 1 corrupted  card of  4 bought at Amazon. One frame is not a problem, I hope.
BTW how are you going to switch off the bootflag in camera before exchanging it?

Assuming the lenses don't vignette, and that your CF card can handle it....why not shoot all the way at 1920X1288 and have some wiggle room/reframing options in post? You can always overlay 4:3 guides on your screen so that you can frame accurately, and I'm not 100% sure but I believe you can de-squeeze the image in LiveView automatically so that your brain is not going bonkers trying to figure out what you're shooting.

May be you are right, pity that my CF Trancsend 64 1000x is against it and can bear only 92MB/s transfer rate 

I think even more practical to use 1600X1200 in full mode and only 80MB/s needed

ps just checked - 1728X1288 (almost 4:3 ratio) also works at least for me giving 92MB/s write speed continuisly (25FPS).

Great topic- gone for Kowa lenses 

Mine is  too stucked at 19,82%

Then formatted with Windows + cardreader

That is very useful to me. You are getting numbers from 5 minute benchmark?
Is your camera very new or more than 6 months old?
Thanks for the details! Maybe a few more will share.
I will try 25fp
Mike

Benchmarks show silly low numbers - 75-78MB/s at max Buffer size.
At the same time I usually get this:



I real situation shooting 1 min is enough for me.

Camera is rather old , I bought it september last year.

After 2 warming runs (about 20 sec) I get  85-86MB/S using 128Gb Transcend 1000x CF card - contunius shooting 1920X1080 25p, Global Draw on (excluding zebras) with hystogram and focus peak on

For   64GB model it is enough 1 warming until it works perfectly. About 3MB/s speedy of her more capacious sister.

May be this info will help to smbody.

with what  FPS?