17-50mm (17.36-50.37 tested), f/2.8 (f/2.74-2.93 tested), 16 elements in 13 groups. Focusing turns 50 degrees clockwise. Zoom ring turns 80 degrees counterclockwise. Focal lengths marked at 17-, 24-, 35-, and 50mm.
• Diagonal view angle: 78-31 degrees.
• Weight: 1.18 lb. n Filter size: 67mm.
• Mounts: Canon AF, Konica Minolta AF, Nikon AF.
• Included: Lenshood.
• Street price: $450.