Canon RF 28-70mm F2 L USM vs Sigma 17-70mm F2.8-4.5 DC Macro

This is a full comparison between the lenses Canon RF 28-70mm F2 L USM and Sigma 17-70mm F2.8-4.5 DC Macro.

Compare Specifications

Product
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Name Canon RF 28-70mm F2 L USM Sigma 17-70mm F2.8-4.5 DC Macro
Manufacturer Canon Sigma
SKU 2965C002
Release Date and Price
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Release Year 2018 2006
Release Date 2018-09-05
MSRP N/A 580 USD
Last known price 2799 USD 0 USD
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Lens Type
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Lens Type Standard / Normal Standard / Normal
Macro
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Mount Canon RF Canon EF-SNikon F
Designed for APS-C sensor No (Suitable for all sensors) Yes
Focus
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Autofocus (AF) Yes YesNote. See below for further information
Built-in Autofocus (AF) Motor Yes No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma 17-70mm F2.8-4.5 DC Macro
Motor Type Ring-Type Ultrasonic N/A
Focus Method No information No information
Closest Focusing Distance 39 cm 20 cm
Maximum Magnification 0,18
Macro 1:1 No (No Macro lens) No
Aperture
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Maximum Aperture F2 F2,8-4,5
This lens has a variable aperture at different focal lengths.
F2,8 at 17 mm
F4,5 at 70 mm
Variable Aperture
Diaphragm Blades 9 No information
Optics
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Construction 19 elements  /  13 groups 15 elements  /  12 groups
Special Elements/Coatings UD + aspherical elements, Air Sphere, SWC and fluorine coatings No information
Focal Length
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Focal Length 28-70 mm 17-70 mm
Zoom Range 42 mm 53 mm
Built-in Teleconverter No No
Teleconverter Multiplier N/A N/A
Image Stabilization No No
Image Stabilization CIPA Rating N/A N/A
Physical
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Weather Sealing Yes No
Diameter 104 mm 79 mm
Length 140 mm 82 mm
Weight 1430 gr 455 gr
Other
Canon RF 28-70mm F2 L USM
Sigma 17-70mm F2.8-4.5 DC Macro
Filter Type Filter Thread Filter Thread
Filter Diameter 95 mm 72 mm
Lens Hood Included Included
Lens Hood SKU EW-103 LH780-04 581
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A