CH572629A5CH1492274ACH1492274ACH572629A5CH 572629 A5CH572629 A5CH 572629A5CH 1492274 ACH1492274 ACH 1492274ACH 1492274 ACH1492274 ACH 1492274ACH 572629 A5CH572629 A5CH 572629A5
Authority
CH
Switzerland
Application number
CH1492274A
Original Assignee
Vockenhuber Karl
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Vockenhuber KarlfiledCriticalVockenhuber Karl
Publication of CH572629A5publicationCriticalpatent/CH572629A5/xx
G02B15/00—Optical objectives with means for varying the magnification
G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
G02B15/22—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with movable lens means specially adapted for focusing at close distances