This massive chunk of metall and glass comes unbranded and of unknown use. The guy who sold me this piece told me it came from a repro camera, but i dont really believe this. looks rather like military use or a huge projector. The lens has no marks on it except F=740. I tried to find out the focal lenght but that wasnt that easy. The image circle is really big, about 70cm, but towards the edges the image shows more and more distortions. Its hard to calculate the aperture of this beast also, but looking at the size of glass it must be somewhere around F3-F4. Selling this rather as a project lens without any guarantees.



height: 30cm
width: 20cm
weight: 6kg




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