Sigma 18-125mm F3.8-5.6 DC OS HSM is an Auto Focus (AF)
Superzoom Zoom lens with APS-C / DX max sensor coverage and it is designed to be used with Sigma SA mount cameras.
Lens Mount
Sigma 18-125mm F3.8-5.6 DC OS HSM is compatible with cameras that have Sigma SA lens mount. Some of the latest released cameras that are compatible with the Sigma SA lenses are Sigma SD1 Merrill, Sigma SD1 and .
Sigma 18-125mm F3.8-5.6 DC OS HSM is also available in Canon EF and Nikon F (DX) mounts.
Focal Range
Sigma 18-125mm F3.8-5.6 DC OS HSM has a focal range of 18-125mm and 6.9X zoom ratio which has a 35mm equivalent focal range of 27-187.5mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Sigma 18-125mm F3.8-5.6 DC OS HSM features an optical image stabilization system which helps to reduce the blur that occurs due to shaking during hand-held shooting.
Zoom Lock
Sigma 18-125mm F3.8-5.6 DC OS HSM 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 18-125mm F3.8-5.6 DC OS HSM has a Max Magnification Ratio of 0.26x and has a minimum focusing distance of 0.35m. For a non-macro lens, the 0.26x is considered a high magnification and will come handy for close-up shots.
Aperture
Sigma 18-125mm F3.8-5.6 DC OS HSM is a variable aperture lens with a max aperture of f3.8 and a minimum aperture of f22 at 18mm, and a max aperture of f5.6 and minimum aperture of f36 at 125mm .
Optical Formula
Sigma 18-125mm F3.8-5.6 DC OS HSM's optical formula consists of 16 elements in 12 groups . Following special elements are used in this design:
- 2 SLD (Special Low Dispersion) glass elements
- 1 molded glass aspherical
element 2 hybrid aspherical elements
Lens Hood
Sigma 18-125mm F3.8-5.6 DC OS HSM comes with a removable lens hood which is handy to reduce lens flare and glare in your photos.
Popular Comparisons of Sigma 18-125mm F3.8-5.6 DC OS HSM
Here is the eight most popular comparisons of Sigma 18-125mm F3.8-5.6 DC OS HSM amongst Camera Decision readers.