Adorama offers several Canon DSLR lenses on sale, as listed below. With free shipping, all models are at the lowest total prices we could find by at least $21. Some best bets:

• Canon EF 70-200mm f/4L USM Telephoto Zoom Lens (pictured) for $578
• Canon EF-S 17-55mm f/2.8 IS USM Zoom Lens for $949
• Canon EF 16-35mm f/2.8L II USM Ultra Wide Angle Zoom Lens for $1,295
• Canon EF 8-15mm f/4L USM Wide Fisheye Zoom Lens for $1,349
• Canon TS-E 24mm f/3.5L II Tilt-Shift Lens for $1,799
• Canon EF 14mm f/2.8L II USM Wide Angle Lens for $1,919.19
• Canon EF 70-200mm f/2.8L IS II USM AutoFocus Telephoto Zoom Lens for $1,974