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1943
The first film on cell division is made with the aid of a phase contrast microscope
1936
First prototype of Zernike’s phase contrast microscope (Frits Zernike was awarded the Nobel Prize for Physics in 1953)
1935
Coating technique for reducing reflections on glass surfaces (Carl Zeiss T* coating: patented in 1936)
Topogon – first wide-angle lens for photogrammetric photography
1933
Comberg’s slit lamp featuring a common axis of rotation for the microscope and the slit illuminator
1932
The Sonnar® lens (f/2 and f/1.5) considerably extends the range of applications for the 35 mm camera
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