Image A above: Original focal length 70mm cropped to the same field of view
that was captured by the 300mm lens in Image B (below). See Image C (below)
for the full sized 70mm image from which this crop was made.
Shutter speed 1/400 second, aperture F13, ISO 200, EV adjustment 0, ISO 200.
Auto exposed on the Sony A900.
Image B above: Focal length 300mm, shutter speed 1/320 second,
aperture F8, ISO 200, EV adjustment 0. Auto exposed on the Sony A900.
Image B was taken at the same time and with the same lens used for Image A,
but the sky, the hills, the sea, and the building on the wharf are overexposed.
Image C above: This is the uncropped image taken with a focal length of 70mm.
Image A (above) crops this image to the same field of view shown in Image B.
The above images have been viewed by several photographers, and the prevailing view was that, there isn't actually a fault with the camera or the lens, because with the overexposed Image B, the light meter was probably influenced by the larger area that the dark wharf occupies in the image. This had the result of overexposing the sky, the hills, the sea, and the small building on the wharf.
Click here to see pictures that demonstrate the amazing amount of detail in images taken by the Sony A900 camera.