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Loading photos on to New iPad.

This is a discussion on Loading photos on to New iPad. within the iPad 3 Forum forums, part of the Apple iPad Discussions category; Hi When I'm referring to 2 different file sizes I'm talking about the uncompressed and compressed file sizes. If I open an image in Photoshop ...

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Thread: Loading photos on to New iPad.

  1. #11
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    Hi

    When I'm referring to 2 different file sizes I'm talking about the uncompressed and compressed file sizes.

    If I open an image in Photoshop it will indicate it's real uncompressed size.

    If I was to save the image as as a raw or in any uncompressed size that's what the files size would be, and that's the amount of space it's using when you view it.

    However when I save the image as a .jpg the actual amount of space it uses when stored is much smaller.
    How small depends on the quality of the compression you chose.

    I always save the images at the highest quality setting.
    They will still be much smaller then the uncompressed size.

    As a graphic designer I don't save the images I use in any compressed format, (I don't want to degrade the quality in any way) but if I was going to I would save them as compressed .tiff files which are said to not degrade the image quality at all.

    I actually save all my commercial images on my computer as uncompressed .tiff files.

    For the iPad I use compressed jpeg images.

    Images direct from my Nikon are just over 27 gigabytes each, so I reduce them to 2048 by 1536 in Photo shop and then save them as .Jpg files.

    I move them to my iPad through Windows Explorer.

    This gives me an image that's 9 megabytes in size uncompressed, or 1.5 megabytes with high quality compression.
    They would be only 108 Kilobytes using maximum compression, but at maximum compression there is a noticeable degradation in image quality.

    Anyway the idea is that you can store images compressed at high quality .jpg compression on the iPad at full iPad resolution (2048 by 1536) at about 1.5 megabytes each and still have a very good looking image that you can zoom in on with out it looking too fuzzy.

    Or about 680 images per gigabyte.

    You can experiment with the compression quality (when you save them it will give you an options window) and you may find that you can use less then the highest quality compression and get something you find usable and be able to have even smaller files. I've never taken the time to do that.

    Mike
    Last edited by MikeMoss; 09-21-2012 at 12:05 PM.

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  3. #12
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    Loading photos on to New iPad.

    So if I understand what you are saying if in Lightroom I export JPEG to SD card in size you state about 2048x1356 image should take up about 1.5 MB on iPad ?

    Still trying to understand process. But I took some on SD from camera and come in around 6 MB. Didn't want to take up that much room on iPad so emailed image to myself and the same to IPad from email and it went down to about 1.5 MB. Does that make any sense??

  4. #13
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    Hi

    Yes even though the file is really about 6 megabytes on you SD card once it is stored either in Windows or on your iPad as a compressed .jpg, it will show as 1.5 megabytes when you view it's properties and that's the amount of space it takes to store it.

    When you e-mailed it, the file you saw was the compressed image file, and 1.5 is what it should be at 2048 x 1356.

    If you shot the original images in .jpg high quality in your camera they would probably be no bigger 1.3 mb on your SD card.

    I don't remember what your native resolution was I'm guessing something like 1920 x 1080.
    That's what Photoshop shows as being about 6 mb.

    If you wan't to check it out size 10 images to 2048 x 1356 and save them all to the same folder as high quality .jpg files.
    Then look at the properties of the folder, it should say that the folder is about 15 mb.

    So 100 images will take 1,500 megabytes or 1.46 gigabytes.
    Or in 15 gigabytes you can store about 1,000 images.

    Mike
    Last edited by MikeMoss; 09-23-2012 at 12:57 AM.

  5. #14
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    Quote Originally Posted by MikeMoss

    Images direct from my Nikon are just over 27 gigabytes each, so I reduce them to 2048 by 1536 in Photo shop and then save them as .Jpg files.

    I never do any raw files, but are they really this big? Wouldn't it take forever to save / move files this large? And would you not need a really big card to do anything useful? This must make the workflow drag.
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    Hi

    Not on my computer, I sometimes work with commercial images that are 100 mb or more.

    It isn't just because they are .Raw files, any uncompressed images the size that the Nikon produces i.e. a .tiff file, would be the same size.

    It's just a matter of the resolution of the image to start with.
    The Nikon's are about 3800 by 2900 pixels or about 28 megabytes.

    On my computer these open almost instantly.

    I do 3D animation on my computer at full HD.

    I process as many as 3,600 full HD images, (frames) in a about 10 minutes.
    That isn't just copying them, it is creating them one frame at a time from a whole scene of moving 3D objects and animated characters.

    So a few large images aren't a big deal. LOL

    Mike

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    Loading photos on to New iPad.

    Took some shots with iPhone and sent via photo stream to iPad. While still in photo stream I opened in iPhoto and that shows a pano shot at over 16MB.
    Does that sound right and what is best way to reduce the size.

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    Loading photos on to New iPad.

    Things seem to be taking up a lot more space on iPad vs iPhone. iPhone has 3 songs, 24 videos, 635 photos and 162 apps. I have 7.1GB left of 13.5GB (used 6.4GB)

    On iPad I only have 4 songs, 190 photos ( these same 190 photos are in the 635 on iPhone)' 75 apps. On iPad I have 22GB left out of 28GB (used 6GB).

    But why would iPad have used as much storage space when so much less in photos and apps?

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    What format and size are the images saved in, on the iPad.

    Every thing takes space even the operating system so even before you added anything some of the space was probably used.
    I don't know how much the OS on the iPad used but all the apps etc. use space too.

    But I would expect your photos on the iPad to use about 285 megabytes.
    The music file vary according to how long the piece of music is.
    Mine seem to mostly run 3 to 5 megabytes.

    Mike

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    Quote Originally Posted by azonie View Post
    Took some shots with iPhone and sent via photo stream to iPad. While still in photo stream I opened in iPhoto and that shows a pano shot at over 16MB.
    Does that sound right and what is best way to reduce the size.
    Have you checked the pixel dimensions of the panorama? I have looked at some of my images saved with long edge 2048 and at full jpeg quality they come in at around 3.5 mb. That's still acceptable to me

    To reduce your image size simply save in Lightroom with long edge 2048. You can still view with maximum resolution of the iPad. However, consider these points
    1, if you want to print enlargements you should always keep the original file on your pc. Just save copies at 2048 for iPad.
    2, to reduce file size further you will have to either change long edge to a smaller size than 2048 or compress further. If smaller than 2048 you will lose quality when viewing, if compress too hard ( less than 8) you will notice a quality drop to - or even artifacts.

    Ultimately my advice would be reduce images to 2048 at jpeg 10 compression or greater. You won't compromise on quality this way.

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    Loading photos on to New iPad.

    So when I import to iPad from SD card it goes into imported album. Them the ones I want to actually save I move to another album.
    Then when I try to delete from imported it says it will delete everywhere. How do I delete from the imported album without deleting from the album I saved it in??

    Because it looks like it is being counted twice ( in imported album and album I saved to). I don't want it to take twice the space?


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