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Optimal Resizing Workflow - iPhone, iPad, AppleTV, etc...
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Dedicated MacNNer
Join Date: Jul 2007
Status:
Offline
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I have an Adobe Lightroom catalog of around 60,000 hi-res TIF and RAW images, and I would like to take my favorite 5,000 or so of these images and import them into iPhoto so that I can then sync them to my iPhone, my iPad, view them on my Apple TV, upload them to Facebook, and perhaps even get some iPhoto books printed up.
I shoot with a Canon 5D MKII so the images in Lightroom are enormous. I am in search of the optimal resizing formula to use when exporting downsized JPEGs from Lightroom for subsequent import into iPhoto.
In other words I would like to figure out the perfect dimension/resolution combo to use that would ensure that my images look great on whatever device they are viewed on, and that I'll always have a large enough image to accomplish anything I might want to use iPhoto to do with them.
I've listed the specs below for all iDevices I would view my images on, as well as Apple's suggested minimum image resolution for iPhoto books:
iPhone 4 ~ 960-by-640-pixel resolution at 326 pixels per inch (ppi)
iPad ~ 1024-by-768-pixel resolution at 132 pixels per inch (ppi)
Apple TV ~ 1280-by-720-pixel resolution at 72 pixels per inch (ppi)
iPhoto Books (for the maximum 20 x 30 inches print) ~ 1600 by 2400 pixels (pixels per inch not specified here)
Anyone care to take a stab at suggesting a single 'universal' resizing formula (height/width/resolution) for optimizing my images for the above mentioned outputs? Thanks!
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Please don't tell me to "search the forums" before posting. I can assure you that I already have!
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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Um, just taking a WILD stab from the crystal-clear requirements you've listed:
Limit them to a maximum of 1600 pixels width or height?
Is there anything beyond the completely and utterly obvious that I'm missing here?
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Posting Junkie
Join Date: Oct 2005
Location: Houston, TX
Status:
Offline
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I've never been able to resize images (except comically small) to make iTunes not recompress them to look like [censored].
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Clinically Insane
Join Date: Nov 1999
Location: 888500128, C3, 2nd soft.
Status:
Offline
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The maximum resolution stored as displayable on iPhone is crap.
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Clinically Insane
Join Date: Jun 2001
Location: Chicago, Bang! Bang!
Status:
Offline
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The print works out to about 80dpi, which is pretty low.
A more reasonable 133dpi makes the long dimension a bit less than 4000 pixels. What's the long dimension for the 5D? A bit over 5000 pixels?
Just leave 'em alone.
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Dedicated MacNNer
Join Date: Jul 2007
Status:
Offline
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Please don't tell me to "search the forums" before posting. I can assure you that I already have!
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