Don't have much space to grow your favorite plants? Try building a vertical garden like this one, designed by Susie Frazier. Using salvaged wood, threaded rods and bolts, and a handful of mason jars, you can construct a simple hanging planter to add a lot
Equivalent exposure value chart. Print this out and you may find it useful to help you quickly find all the different ways to achieve the same exposure in terms of different aperture and shutter speed values.