Objektiv mit stufenloser Verstellung der Brennweite(whose power changes smoothly and without interruption); Varioobjektivn(whose power changes smoothly and without interruption); Zoom-Objektivm(the separation changes between the lens components yield a focal plane which is stationary or does not move outside the limits of depth of focus)
Gummilinsef(the separation changes between the lens components yield a focal plane which is stationary or does not move outside the limits of depth of focus); Objektiv mit veränderlicher Brennweite(the separation changes between the lens components yield a focal plane which is stationary or does not move outside the limits of depth of focus); Objektiv veränderlicher Brennweite(the separation changes between the lens components yield a focal plane which is stationary or does not move outside the limits of depth of focus); Varioobjektivn(whose power changes smoothly and without interruption); Zoom-Objektivm(the separation changes between the lens components yield a focal plane which is stationary or does not move outside the limits of depth of focus)
