I have just been near article circle and on my college trip to Canada and there I saw a polar bear so I immediately pulled out my camera and shoot the image ,but , as it was very far way I had to zoom in to it and as I own a Cannon power shot Pro1 , I used to it zoom in so that the I could get the best image , and indeed got a best image but , I just could not get a the lens rolled back again in my camera , that made me quite nervous , does anyone know what caused this problem .
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