Compatibility: HP PROBOOK 430 G4, HP PROBOOK 430 G5, HP PROBOOK 440 G4, HP PROBOOK 440 G5, HP PROBOOK 450 G4, HP PROBOOK 450 G5, HP PROBOOK 455 G4, HP PROBOOK 455 G5, HP PROBOOK 470 G4, HP PROBOOK 470 G5, HP mt20, HP mt21, HP mt31, HP ZHAN 66 Pro G1
Compatibility: EOS 7D, 60D, 50D, 40D, 30D, 20D, Rebel T2i, Rebel T1i, Rebel XSi, Rebel XS, Digital Rebel XTi, Digital Rebel XT, Digital Rebel only
Diameter: 67 mm
Specifications: Focal Length & Maximum Aperture: 17 - 85mm; 1:4-5.6
Lens Construction: 17 elements in 12 groups
Diagonal Angle of View: 78° 30' - 18° 25'
Focus Adjustment: Inner focusing system, with focusing cam
Closest Focusing Distance: 0.35m - 1.15 ft.
Zoom System: Ring USM
Max. Diameter x Length, Weight: 3.1" x 3.6", 16.8 oz. / 78.5 x 92mm, 475g