Join Richard Harrington for an in-depth discussion in this video Preserving maximum quality when exporting, part of Enhancing Photos with iPhoto.
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When working with modern digital files, there are some important options.…One of those is bit depth.…Now, if you're shooting JPEG, chances are, you're shooting an 8-bit image.…Now, what this means is just a fancy way of describing how much information is in the file;…8 bits per channel basically means that there's two to the eighth power, which equals 256.…Well, that's 256 levels of detail for the red channel, the green channel,…and the blue channel;…256 times 256 times 256 equals a really big number,…but we usually call it millions of colors.…
But that's not the best quality there is.…If you're working with RAW photos, your camera might be shooting 10, 12, or even…14 bits of information.…This gives you much greater detail, and wider ranges of exposure and contrast.…Now, iPhoto has the ability to work with this if you're using RAW photos,…but when you go to export, you're going to want to include that in the 16-bit file.…To do this, you need to tweak your export settings.…I'll press Command+Comma to bring up the preferences.…
This course was created and produced by Rich Harrington. lynda.com is honored to host this content in our library.
- Cropping for better composition
- Rotating an image
- Making a levels adjustment
- Adjusting shadows or highlights
- Increasing saturation
- Converting to black and white
- Creating sepia-tone effects
- Using the Retouch Brush
- Sharpening photos
- Adding borders
- Copying and pasting adjustments