Understanding Camera Lenses ~ Angle of View, Focal Length, F Stops, Depth of ... The angle of view of your camera lens is the area of the image captured by the image sensor, expressed as an angle horizontally. The larger the...
Choosing the Right Lens | Shoot Fly Shoot
Megapixel vs Print size vs. Quality. Super handy chart! http://www.photographyicon.com/enlarge/
Trying to convert your digital image pixels into cold, hard, printable inches? Look no further. Here are the conversions we recommend for the following common photo sizes.
The site isn't in English. But you can figure out the camera protection from the detailed pictures.
Fibonacci Spiral by ~jakegarn on deviantART
Composition is king. Learn all about the golden ratio, Fibonacci/golden spiral, and phi grid. Then put your new knowledge to work and make some great pics, smarty pants.
"cliffhanger" By Joel Robison Photography Inspired by those books that leave you hanging on long after the final chapter.