Equipment:

  • Canon Rebel XSi
  • Canon EF-S 55-250mm f/4-5.6
  • Dolica Proline Tripod

Setup:

  • ISO100 f/8 10s 240mm (IS on/off)
  • Tripod stabilized

Results:

image
Image Stabilizer (IS) ON

image
Image Stabilizer (IS) OFF

Conclusion:

Turn off Image Stabilizer (IS) on a stable tripod.

Credits:

Ian