Pfffff... a lot of useless posts, Nobody knows everything, ok?? Some tips for hdr or tripod shooting:- Almost all the lenses induces movement when used on tripod, as a rule of thumb, when you use the tripod, switch the IS Off- Use a remote shutter, cable or wireless- If you don't have a remote shutter, use a 2 sec delay shutter- Its useful to use mirror lockup to eliminate the mirror shaking when taking the pictureGood luck