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Right and left were identical variable power lenses with distance and reading power centers in the upper and lower part of the lens, respectively. The glazing was made to accommodate eye position changes from distance viewing to reading. The point of reading is about 14 mm below and 2 mm to the nasal side in comparison to distance viewing.
First workshop of Carl Zeiss in the center of Jena, c. 1847 Carl Zeiss Jena (1910) One of the Stasi's cameras with the special SO-3.5.1 (5/17mm) lens developed by Carl Zeiss, a so-called "needle eye lens", for shooting through keyholes or holes down to 1 mm in diameter 2 historical lenses of Carl Zeiss, Nr. 145077 and Nr. 145078, Tessar 1:4,5 F=5,5cm DRP 142294 (produced before 1910) Carl ...
The ZX1 received reviews with mixed conclusions. There was strong agreement that its lens and sensor produced particularly high-quality images, but that its minimal physical controls and design choices made in priority of its visual design compromised its usability - a particular point of criticism was the camera's viewfinder: its rubber eye cup, in contrast with those of most enthusiast-level ...
Pages in category "Zeiss lenses" The following 24 pages are in this category, out of 24 total. This list may not reflect recent changes. * Carl Zeiss AG; 0–9.
Adjustable focus lenses, like single-focus lenses, also reduce image-jump and spatial distortion in the field of view associated with traditional multi-focal lenses. Additionally, the ideal near-vision correction can be achieved with precision, because the variable lenses emulate the focusing action of the youthful (non-presbyopic) eye.
At the same time, the chemical composition of the optics coating changed from violet to golden yellow. Interestingly, the lens was black and there are chrome stripes on the focus ring - by analogy with the German Carl Zeiss Jena. Therefore, these lenses are often called Helios-44 "Zebra". They completed Zenith-3M of the last years of production.