There are many instances of cloudiness and scratches, resulting in the characteristic rendering of an old lens. The first three sample photos are digital camera shots, and the last two are film photos. At maximum aperture, the image is soft, and the softness decreases as you stop down the aperture. According to the serial number, this is a very old lens, manufactured in 1951. You can enjoy the current rendering as is, or you can have it cleaned. The focusing ring and aperture operate smoothly. Focal Length: 71-150mm Other Features: Junk, Old Lens