Optics
Focal Length
24-70mm
20-50mm
Zoom Ratio
2.9x
2.5x
Max Aperture
f/2.8
f/4
Min Aperture
f/22
f/22
Elements / Groups
18 / 13
13 / 11
Special Elements
1 Super UD, 2 UD, 3 Aspherical
3 UD glass elements; 2 aspheric elements
Coatings
Fluorine coating, Super Spectra coating
Super Spectra Coating (SSC); Air Sphere Coating (ASC) on inner front element; Fluorine coating on front element
Diaphragm Blades
9
9
Max Magnification
0.21x
0.33x
Focus
Min Focus Dist.
38cm
24cm
Autofocus
AF Motor Type
Ring-type ultrasonic
Nano USM
Focus Method
internal
internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Canon EF
Canon RF
Weight
805 g
420 g
Dimensions (D x L)
89 x 113 mm
80 x 98 mm
Filter Thread
82 mm
67 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Rotary (Extending)
Internal
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
1
Color
Black
Black
General
Launch Price
USD 2299
USD 1399
Announce Date
Feb 7, 2012
May 13, 2026
Sensor Format
Full Frame
Full Frame