METHOD FOR ZOOMING

An image is being presented on a display device connected to a storage unit, wherein said presentation image is loaded to the display device from said storage unit and said presentation image comprises at least one preselected, zoomable area. A method for zooming in the image comprises the steps of continuously zooming (26) in on the preselected area in the presentation image and during the step of continuous zooming, loading (28) a detail image information data set to the display device from the storage unit. The detail image information data set is used for presenting the preselected area in higher resolution than the presentation image. The method further comprises the step of improving (30) the resolution of the zoomed-in-on, preselected area in the presentation image on the display device by means of the loaded detail image information data set when the zooming in on the preselected area in the presentation image is complete.