Adorama offers the Panasonic 12-60mm f/3.5-5.6 Lumix G Power O.I.S. Micro Four Thirds Lens in Black, bundled with a $300 Adorama Gift Card, for $497.99 with free shipping. Assuming you'll use the gift card, that's the lowest price we could find by $300. It is designed for use with Panasonic micro four-thirds mirrorless digital cameras.