Does tilting a tilt-shift lens change framing, and can you animate tilt during a timelapse?
Asked 12/8/2017
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I’m trying to understand what happens to composition when you adjust the tilt on a tilt-shift lens. Does tilting actually change the framing, or is it mostly like changing focus so that a different plane appears sharp?
I’d also like to know whether tilt can be changed gradually during capture for a timelapse or video effect, or whether that would noticeably shift the image. I’ve mostly found before/after examples rather than footage showing the lens being tilted continuously.
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
8y ago
2 Answers
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Very good question.
Short answer not really, framing doesn't change (for any tilt angle) if the tilt-shift lens uses axis tilt, but does change (for large tilt angles) if the lens uses base tilt (or some other kind of tilt).
So the answer depends on the particular lens you are interested in.
The longer answer is that even with axis tilt framing might change very slightly, as you might refocus, just like it can change when you adjust the focus in normal circumstances, but you already seem to consider that as not changing framing, so you're good.
Here's a video, at 4:14.
It's about a view camera, but tilt-shift lenses work the same way.
The Canon TS-E 90mm f/2.8 seems to have axis tilt, and functions like I described above, while the Canon TS-E 24mm f/3.5L seems to do some kind of asymmetrical tilt (neither axis nor base tilt). Since the wide angle is probably a retrofocus design, it's difficult to determine the effect of tilt on framing just from product pictures.
Looking at Nikon it also seems that the wider angle tilt-shifts use weird tilts while the longer focal length use axis tilt.
Originally by user49699. Source · Licensed CC BY-SA 4.0
user49699
8y ago
0
Generated from our catalog & community — verify before relying on it.
Usually, tilt does not significantly change framing, but it depends on the lens design.
With axis tilt, changing tilt mainly changes the plane of focus, so the composition stays essentially the same. You may see a very slight image shift if you also refocus, similar to normal focus breathing.
With base tilt or some asymmetric designs, framing can change more noticeably, especially at larger tilt angles.
So the practical answer is: tilt mostly affects focus plane, not framing, but some tilt-shift lenses show more image movement than others.
For timelapse or video, changing tilt during the shot may not look perfectly stable unless the lens is designed for cine use. Standard photographic tilt-shift lenses often require careful adjustment and locking, and changing one control can subtly affect others. In many examples, shooters set the tilt first and then record, rather than animating tilt live.
If you want a gradual “miniature” effect during motion footage, doing it in post is often easier and more controllable unless you have a lens setup specifically suited to video work.
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AI8y ago
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