Why Ipad resize CR2 file? From 10MP to 2,5MP?

Why, when i use "Lightning Camera to USB adapter" to import into new Ipad cr2 raw files 10 MP (2592x3888) of 9mb they are resized in cr2 2.5 MP (1288x1936) always of mb9?

Let me explain better:
I shot photo with Canon eos450d, ONLY file cr2 raw,no jpeg, 10MP resolution (2592x3888)
Then, I use the "Lightning to USB Camera Adapter" to import cr2 file into new ipad
Ipad import file raw in my photo library
But, Ipad resize my file from 10 MP TO 2,5 MP, FROM 2592x3888 TO 1288x1936, but each WITH 9 MB

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I use Photoshop Camera Raw plugin (Adobe) to preprocess color, then finish image preparation in Photoshop. Never a problem opening CR2 files, usually from my own 5d camera. But a customer sent a few CR2 files that won't open (error says it is wrong kind of document). So far no explanation or fixes from Photoshop users... thought I would ask the Canon experts. Why would CR2 file from 5d mk II fail but CR2 files from 5d all open ok?
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Go to Solution.

I have a photographer friend who has used Photoshop for years and basically never used anything else. He bought his 5D III from a store which was offering a free copy of Lightroom with the purchase. He didn't buy because of the incentive... he bought his camera and a copy of Lightroom came with it. He put it on the shelf to collect dust.
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Photoshop is NOT made for photographers. It's made for people working in graphics arts and publishing, etc.
Apple, recognizing that the tool was awkward for photography made a tool targeted specifically at professional photographers...and Aperture was born. Adobe, seeing this as the very real threat that it is, realized they'd better get busy. Adobe produced Lightroom. Both are targeted to photographers and NOT to those in graphics arts or publishing.
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This is a painful long and tedius task of opening things image by image in Photoshop.... but a breeze to do in Aperture or Lightroom. You don't actually open images... you import the entire contents of the card into your library and now you can breeze through them apply adjustments as needed. Some types of global adjustments such as "white balance" can be applied to every image in the shoot as long as it was taken in the same lighting. No need to do that image by image... you adjust one, then select all the other images shot in the same light and tell it to apply the same adjustments. Don't try that in Photoshop... you'll injure yourself.
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Why Ipad resize CR2 file? From 10MP to 2,5MP?

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