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Northlight Photos has discovered a US patent showcasing a brand new technique to design tilt-shift lenses.
Says Northlight Photos:
Once you tilt a lens there may be typically some undesirable shift launched, by dint of the lens design and the place the bodily axis of tilt runs with respect to it.
It’s why I modified my authentic TS-E90mm) – the brand new model, as with the 17/24mm, has the power to vary the shift/tilt axis relationship. Nonetheless, Canon has checked out correcting.
Within the patent, the undesirable shift from tilt is known as composition shift (a helpful time period – I could also be utilizing it in future 😉 )
The lean perform of the brand new lens designs is given by offsetting a lens factor in entrance of the cease – the shift is offset by an reverse motion on the rear (digital camera) facet of the cease.
Now we have had RF mount tilt-shift lenses on our roadmap for fairly a while, and the rumors say these new TS-R lenses can have autofocus. This patent doesn’t contact on that, however may give us an concept of what Canon is considering with the brand new RF mount tilt-shift lenses.