Prego parts: Front of aluminum-bodied Prego 30 shows remote-control sensor (A), autofocus windows (B), meter port (C),viewfinder window (D), self-timer/anti-redeye LED (E), flashtube (F). Lens retracts completely flat into body.
Lens sharpness: Resolution was outstanding (best reading: 84 lines/mm) at the center and very good at the edge, at both wide-open and moderate apertures.
Flare: With just three lens elements, and Rollei's super-duper HFTcoating, the lens showed virtually no flare and no ghosts in severe backlighting. Rating: outstanding.
Light falloff: Just moderate falloff for this focal length. Rating:very good.