Despite their low-key, mostly black-and-white tones and austere subjects (land- and skyscapes), Chris McCaw’s recent photos are knockouts. Each of the photos in “Marking Time” appears as a vintage print with a hole or a series of burn marks on the surface. In an elaborate process-involving time-lapse solarization and found photos-McCaw combines the methods and imagery of Fox Talbot, Sugimoto and Fontana to arrive at his own unique vision.