Sigma 24-70 F2.8 DG DN Art is an Auto Focus (AF)
Standard Zoom lens with 35mm FF max sensor coverage and it is designed to be used with Leica SL mount cameras.
Lenses in Leica SL Mount with Same Focal and Aperture Range
Sigma Art Lenses in Leica SL Mount
Check the link below to compare specs of the latest cameras in this series side by side:
Lens Mount
Sigma 24-70 F2.8 DG DN Art is compatible with cameras that have
Leica SL lens mount. Some of the latest released cameras with Leica SL lens mount are
Sigma fp L,
Leica SL2-S and
Panasonic S5.
Sensor Coverage
Max sensor coverage of Sigma 24-70 F2.8 DG DN Art is
35mm FF.
Focal Range
Sigma 24-70 F2.8 DG DN Art has a focal range of 24-70mm and 2.9X zoom ratio.
Body Colour
Sigma 24-70 F2.8 DG DN Art is available in Black color.
Zoom Method
Sigma 24-70 F2.8 DG DN Art 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.
Zoom Lock
Sigma 24-70 F2.8 DG DN Art has a
Zoom lock feature which eliminates Zoom creep where focal length of the lens changes with gravity when it's held downwards or upwards.
Maximum Magnification Ratio
Sigma 24-70 F2.8 DG DN Art has a Max Magnification Ratio of
0.34x and has a minimum focusing distance of
0.18m.
Aperture
Sigma 24-70 F2.8 DG DN Art is a fixed aperture lens with a constant max aperture of f2.8 from 24mm all the way to the 70mm .
Optical Formula
Sigma 24-70 F2.8 DG DN Art's optical formula consists of 19 elements in 15 groups. Following special elements are used in this design:
- 6 FLD + 2 SLD + aspherical elements
- Super Multi-Layer
- Nano Porous coatings