Sigma 28-70mm F2.8-4 DG vs Sigma EX 28-70mm F2.8 DG

This is a full comparison between the lenses Sigma 28-70mm F2.8-4 DG and Sigma EX 28-70mm F2.8 DG .

Compare Specifications

Product
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Name Sigma 28-70mm F2.8-4 DG Sigma EX 28-70mm F2.8 DG
Manufacturer Sigma Sigma
SKU
Release Date and Price
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Release Year 2004 2004
Release Date
MSRP N/A 429 USD
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Lens Type
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Lens Type Standard / Normal Standard / Normal
Zoom or Prime Zoom lens Zoom lens
Mount and Compatibility
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Mount Canon EF Canon EFNikon F
Designed for APS-C sensor No (Suitable for all sensors) No (Suitable for all sensors)
Focus
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Autofocus (AF) YesNote. See below for further information YesNote. See below for further information
Built-in Autofocus (AF) Motor No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma 28-70mm F2.8-4 DG
No
Requires that the camera has an Autofocus Motor
Compatible Cameras for Sigma EX 28-70mm F2.8 DG
Motor Type N/A N/A
Focus Method No information No information
Closest Focusing Distance 50 cm 33 cm
Maximum Magnification
Aperture
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Maximum Aperture F2,8-4
This lens has a variable aperture at different focal lengths.
F2,8 at 28 mm
F4 at 70 mm
Variable Aperture
F2,8
Diaphragm Blades No information No information
Optics
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Construction 11 elements  /  8 groups 14 elements  /  12 groups
Special Elements/Coatings No information No information
Focal Length
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Focal Length 28-70 mm 28-70 mm
Zoom Range 42 mm 42 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
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Weather Sealing No No
Diameter 67 mm 74 mm
Length 60 mm 87 mm
Weight 245 gr 510 gr
Other
Sigma 28-70mm F2.8-4 DG
Sigma EX 28-70mm F2.8 DG
Filter Type Filter Thread Filter Thread
Filter Diameter 58 mm 67 mm
Lens Hood Included Included
Lens Hood SKU N/A N/A
Tripod Collar N/A N/A
Tripod Collar SKU N/A N/A