Optics
Focal Length
24-70mm
17-50mm
Zoom Ratio
2.9x
2.9x
Max Aperture
f/2.8
f/2.8
Min Aperture
f/22
f/22
Elements / Groups
21 / 15
17 / 13
Special Elements
3 aspherical + 3 UD elements
2 FLD glass elements 2 glass mold elements 1 hybrid aspherical lens
Diaphragm Blades
9
7
Max Magnification
0.3x
0.2x
Focus
Min Focus Dist.
21cm
28cm
Autofocus
AF Motor Type
Ultrasonic
Ultrasonic
Focus Method
internal
internal
Full-time Manual
Distance Scale
Focus Limiter
Physical
Lens Mount
Canon RF
Nikon F
Weight
900 g
565 g
Dimensions (D x L)
89 x 126 mm
84 x 92 mm
Filter Thread
82 mm
77 mm
Weather Sealing
Hood Supplied
Tripod Collar
Features
Image Stabilization
Zoom Method
Rotary (Extending)
Rotary (Extending)
Power Zoom
Zoom Lock
Aperture Ring
Breathing Correction
Parfocal
Custom Buttons
0
0
Color
Black
Unknown
General
Sensor Format
Full Frame
APS-C