• L-series wide-angle single focus lens
• Blue spectrum refractive optics
• Two aspheric lenses and one UD lens
• Improved durability
• Subwavelength coating (SWC)
• Shortest min. focus distance in its class (0.28m)
• Icreased maximum magnification (0.21x)
• Fluorine coating on front and rear lens
• High-grade design
• 14 elements in 11 groups
• Dimensions (D x L): 3.2 x 4.2 in. (80.4 x 105.5 mm)
• Weight: 26.8 oz. (760 g)

• Canon EF mount lens
• Standard zoom lens
• 24 - 105mm focal length range
• f/4 maximum aperture
• Air sphere coating (ASC)
• Optical image stabilization
• Fluorine coating
• Dust and water resistant construction
• Ring-type USM AF system
• Full-time manual focus 
• Rounded 10-blade diaphragm
• Color: Black

- High-performance, weather-resistant standard lens 
- AF with full-time manual focus
- 50mm focal length
- f1.2 maximum aperture; 72mm filter size
- UltraSonic Motor (USM)