This is a very clean (no fog or scratches), coated, five element lens in a good, clean working, synched shutter with accurate speeds and a smooth aperture ring. It covers up to 5x7 inch format. The speed (aperture) and rendering of the lens make it a very fine portrait lens. An Apo-Lanthar has slightly better color correction, but for B&W the image quality looks very similar. The coating on this lens keeps the whites from "burning out".
The caps and retaining ring were custom made by S.K. Grimes.