Sigma 24-70mm F2.8 EX DG is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with 35mm FF max sensor coverage, and it is designed to be used with
SA Mount cameras.
What type of photography is the Sigma 24-70mm F2.8 EX DG lens good for?
The type of photography that you are planning to use the Sigma 24-70mm F2.8 EX DG is an important decision factor. Here we have evaluated its suitability to various photography scenarios:
Lenses in Sigma SA Mount with Same Focal and Aperture Range
Reasons to Buy Sigma 24-70mm F2.8 EX DG Macro Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 24-70mm F2.8 EX DG Macro lens in a list form to help you determine whether it offers the features you need.
| Autofocus |
| Distance Scale |
| DoF(Depth of Field) Scale |
| Hood supplied |
| Fast Aperture at Wide end |
| Fast Aperture at Tele end |
| Constant f2.8 aperture throughout the range |
| Covers Full-Frame Sensor |
| 9 Diaphragm Blades for Smooth Bokeh |
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| No Weather Sealing |
| Lens Extents while zooming |
Lens Mount
Sigma 24-70mm F2.8 EX DG is compatible with cameras that have a Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma Quattro, Sigma Quattro H and Sigma SD1 Merrill.
Sigma 24-70mm F2.8 EX DG is also available in Canon EF , Pentax KAF, Sony Alpha and Nikon F (FX) mounts.
Size, Weight and Filter Thread
Size and weight is a very important decision factor when searching for your next lens. Sigma 24-70mm F2.8 EX DG has a maximum diameter of 89mm and total length of 116mm when not extended. It weighs 715g / 25.2 oz.
Sigma 24-70mm F2.8 EX DG has a filter thread of 82mm. Below are links to the filters that we recommend you to consider for your Sigma 24-70mm F2.8 EX DG:
Focal Range
Sigma 24-70mm F2.8 EX DG has a focal range of 24-70mm and 2.9X zoom ratio.
Optical Image Stabilization
Sigma 24-70mm F2.8 EX DG doesn't have an optical image stabilization system so the only option to stabilize the image taken with this lens is to mount on a camera body with IBIS (sensor based In-body image stabilization).
Alternatively, you can check the Sigma 24-70mm F2.8 DG OS HSM in Sigma SA mount that have similar focal range but features Optical Image Stabilization.
Lenses Similar to Sigma 24-70mm F2.8 EX DG With Optical Image Stabilization
Zoom Method
Sigma 24-70mm F2.8 EX DG features Rotary (extending) zoom method where the length of the lens changes as you zoom in or out. This makes it possible to design the lens with a smaller minimum length ( generally when it is zoomed out) compared to internal zoom lenses. The disadvantages of this design are being harder to seal against dust and moisture, weight balance shifting while zooming and zoom creep in certain lenses.
Maximum Magnification Ratio
Sigma 24-70mm F2.8 EX DG has a Max Magnification Ratio of 0.26x and has a minimum focusing distance of 0.4m. For a non-macro lens, the 0.26x is considered a high magnification and will come handy for close-up shots.
Below are the 3 Standard Zoom type Sigma SA mount lens alternatives with highest max magnification ratios:
Aperture
Sigma 24-70mm F2.8 EX DG is a fixed aperture lens with a constant max aperture of f2.8 from 24mm all the way to the 70mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
24mm
|
F2.8 |
F32 |
|
70mm
|
F2.8 |
F32 |
Optical Formula
Sigma 24-70mm F2.8 EX DG's optical formula consists of 14 elements in 13 groups . Following special elements are used in this design:
- 2 Special Low Dispersion (SLD) glass
- elements 3 aspherical elements
Lens Hood
Sigma 24-70mm F2.8 EX DG comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of Sigma 24-70mm F2.8 EX DG
Here are the eight most popular comparisons of the Sigma 24-70mm F2.8 EX DG amongst Camera Decision readers.
Top Alternatives of Sigma 24-70mm F2.8 EX DG Lens
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