Kodak Guide To 35mm - Photography- Techniques For Better Pictures

To avoid camera shake, never set your shutter speed lower than the focal length of your lens (e.g., 1/125 for a 135mm lens).

At the heart of the Kodak guide is the relationship between three critical factors that determine how light interacts with your film: To avoid camera shake, never set your shutter

If you want to stop "taking snapshots" and start "making photographs," start here. To avoid camera shake