Hello, I need your help in determining an objective. the lens has a length of approx. 30 cm (11.81102 inches / inch) and a diameter of approx. 20 cm (7.87402 inches / inch). the lens weighs 16.5 kg. Who knows what kind of lens it is?
Hello, I need your help in determining an objective. the lens has a length of approx. 30 cm (11.81102 inches / inch) and a diameter of approx. 20 cm (7.87402 inches / inch). the lens weighs 16.5 kg. Who knows what kind of lens it is?
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