Sigma 18-125mm F3.8-5.6 DC HSM is a Variable aperture Auto Focus (AF)
Superzoom Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with
A Mount cameras.
The Sigma 18-125mm F3.8-5.6 DC HSM is also available in the Pentax KAF3 mount.
What type of photography is the Sigma 18-125mm F3.8-5.6 DC HSM lens good for?
The choice of photography type for which you intend to use the Sigma 18-125mm F3.8-5.6 DC HSM is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Sigma 18-125mm F3.8-5.6 DC HSM Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 18-125mm F3.8-5.6 DC HSM lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| Distance Scale |
| Hood supplied |
| Focus Distance Limiter |
| Zoom Lock |
| Versatile Lens with a Zoom Ratio of 6x |
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| No Weather Sealing |
| Lens Extends while zooming |
| Slow Aperture at Tele end |
| Variable Aperture |
Lens Mount
Sigma 18-125mm F3.8-5.6 DC HSM is compatible with cameras that have a Sony Alpha lens mount. Some of the latest released cameras that are compatible with the Sony Alpha lenses are Sony A68, Sony A77 II and Sony A58.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 18-125mm F3.8-5.6 DC HSM has a maximum diameter of 74mm and a total length of 89mm. It weighs 490g / 17.3 oz.
Sigma 18-125mm F3.8-5.6 DC HSM has a filter thread of 62mm. Below are links to the filters that we recommend you to consider for your Sigma 18-125mm F3.8-5.6 DC HSM:
You can also check All Sony Alpha Mount Lenses with 62mm Filter Thread Size to find the matching lenses.
Focal Range
Sigma 18-125mm F3.8-5.6 DC 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 HSM 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).
Zoom Lock
Sigma 18-125mm F3.8-5.6 DC 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 HSM has a Max Magnification Ratio of 0.26x with 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.
Below are the 3 Superzoom Zoom type Sony Alpha mount lens alternatives with highest max magnification ratios:
Aperture
Sigma 18-125mm F3.8-5.6 DC 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 .
| Focal Length |
Max Aperture |
Min Aperture |
|
18mm
|
F3.8 |
F22 |
|
125mm
|
F5.6 |
F36 |
Optical Formula
Sigma 18-125mm F3.8-5.6 DC HSM's optical formula consists of 16 elements in 12 groups . The 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 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 HSM
Here are the 8 most popular comparisons of the Sigma 18-125mm F3.8-5.6 DC HSM amongst Camera Decision readers.
Top Alternatives of Sigma 18-125mm F3.8-5.6 DC HSM Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Sigma 18-125mm F3.8-5.6 DC HSM.
Top Alternatives of Sigma 18-125mm F3.8-5.6 DC HSM in Other Lens Mounts
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