This is an extremely sharp lens in excellent condition with a huge image circle for 4x5 and 8x10 use. SW series lenses deliver high contrast and superior resolution, reduced flare and excellent color rendition. The maximum aperture of f/8 assures fast and pinpoint focusing and bright images, corner-to-corner, the lens is compact and well compensated for distortion. The lens is spotless, all shutter speeds work accurately. Glass is in pristine condition; no chips, scratches, cleaning marks, haze, fungus - nothing. Lens has a image circle of 312mm, covers 8x10 with a lots of room. Includes lens nut and both front and rear Schneider lens caps. The Prontor shutter system allows f-stop viewing from behind the camera, auto-open to full aperture, return to pre-set aperture and a self-cocking shutter which is perfect for multiple-exposure imagery. Oops $500 I am the original owner.