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Aspect Ratio Switchable Lenses
uA “16x9 lens” switched to the 4x3 mode will
appear to have a 16% “longer” focal length ue.g. An 8mm Wide Angle lens
in the 4x3 mode will behave
more like a 9.5mm lens.
This may limit  the “Wide Shot” uThe lens will however
maintain its zoom ratio.
4 x 3 Imager