Tilt vs Shift

[DarkPenguin]

I'm looking at a few lenses.  The Canon 24 TS, some russian tilt shift and the Olympus 35 shift.

What is the difference between the tilt shift lenses and the Olympus shift lens.  The Olympus can be shifted in all directions but I'm assuming that is not the same.

I *think* the difference is that I can use the Oly for stitching but can't use it to actually change the plane of focus.

Is that correct?

[JeffKohn]

I'm looking at a few lenses.  The Canon 24 TS, some russian tilt shift and the Olympus 35 shift.

What is the difference between the tilt shift lenses and the Olympus shift lens.  The Olympus can be shifted in all directions but I'm assuming that is not the same.

I *think* the difference is that I can use the Oly for stitching but can't use it to actually change the plane of focus.

Is that correct?
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That is correct. Shift lets you correct perspective, as well as stitch. Tilt lets you change the plane of focus so that it's no longer parallel to the camera's sensor, and can be used to increase (or decrease) the depth of field in your image.