Focal Length: 50 to 135mm Lens Mount: EF Zoom Ratio: 2.7:1 Optical Structure: 14 groups/18 elements Image Circle: 31.2 Minimum Focus Distance: 1.00m (3'3") Max. Macro Magnification: 1:5.89 Aperture/Iris Blades: 9 Depth of Field: T2.9- T22 Filter Size: M86 P=1.0 Overall Length (from mount surface): 147.5 (142mm) Diameter of Front Head: 95mm Maximum Diameter: 97.6mm...
Focal Length: 24 to 70mm Maximum Aperture: f/2.8 Minimum Aperture: f/22 Lens Mount: Canon EF Format Compatibility: Full-Frame Angle of View: 84° 20' to 34° 49' Minimum Focus Distance: 1.25' / 38 cm Maximum Magnification: 0.21x Optical Design: 15 Elements in 11 Groups Diaphragm Blades: 9 Focus Type: Autofocus Image Stabilization: None Filter Size: 82...