Lens Review: Olympus 7-14mm f/4 vs. Panasonic 7-14mm f/4 43rumors 14 years ago Actual prices of the lenses (on Amazon): $1,468.95 for the Olympus Zuiko 7-14mm f/4.0 and $1,009.97 for the Panasonic 7-14mm f/4.0.