Sigma 18-35mm F1.8 DC HSM is a Fixed aperture Auto Focus (AF)
Standard Zoom lens with APS-C / DX max sensor coverage, and it is designed to be used with
SA Mount cameras.
The Sigma 18-35mm F1.8 DC HSM is also available in the Canon EF , Pentax KAF, Sony Alpha and Nikon F (DX) mounts.
What type of photography is the Sigma 18-35mm F1.8 DC HSM lens good for?
The choice of photography type for which you intend to use the Sigma 18-35mm F1.8 DC HSM is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Sigma 18-35mm F1.8 DC HSM Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 18-35mm F1.8 DC HSM lens in a list form to assist you in determining whether it offers the features you need.
| Autofocus |
| Distance Scale |
| Hood supplied |
| Full-time Manual Focusing |
| Internal Focusing |
| Fast Aperture at Wide end |
| Fast Aperture at Tele end |
| Constant f1.8 aperture throughout the range |
| 9 Diaphragm Blades for Smooth Bokeh |
| Min focus distance of 0.28m / 11.0 inch |
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Lens Mount
Sigma 18-35mm F1.8 DC HSM 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 SD1 Merrill, Sigma SD1 and .
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 18-35mm F1.8 DC HSM has a maximum diameter of 78mm and a total length of 121mm. It weighs 810g / 28.6 oz.
Sigma 18-35mm F1.8 DC HSM has a filter thread of 72mm. Below are links to the filters that we recommend you to consider for your Sigma 18-35mm F1.8 DC HSM:
You can also check All Sigma SA Mount Lenses with 72mm Filter Thread Size to find the matching lenses.
Focal Range
Sigma 18-35mm F1.8 DC HSM has a focal range of 18-35mm and 1.9X zoom ratio which has a 35mm equivalent focal range of 27-52.5mm when used on a APS-C / DX format camera.
Optical Image Stabilization
Sigma 18-35mm F1.8 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 Method
Sigma 18-35mm F1.8 DC HSM features Rotary (internal) zoom method where the length of the lens doesn't change while you are zooming in or out. Even though this design has a size disadvantage in general compared to extending designs, it has the benefits of better sealing against dust and moisture, no zoom creep and no weight balance shift while zooming.
Maximum Magnification Ratio
Sigma 18-35mm F1.8 DC HSM has a Max Magnification Ratio of 0.23x with a minimum focusing distance of 0.28m.
Below are the 3 Standard Zoom type Sigma SA mount lens alternatives with highest max magnification ratios:
Aperture
Sigma 18-35mm F1.8 DC HSM is a fixed aperture lens with a constant max aperture of f1.8 from 18mm all the way to the 35mm .
| Focal Length |
Max Aperture |
Min Aperture |
|
18mm
|
F1.8 |
F16 |
|
35mm
|
F1.8 |
F16 |
Optical Formula
Sigma 18-35mm F1.8 DC HSM's optical formula consists of 17 elements in 12 groups . The following special elements are used in this design:
- 5 SLD glass elements
- 4 glassmold aspherical elements
Lens Hood
Sigma 18-35mm F1.8 DC HSM comes with a removable lens hood which is handy to reduce lens flare and glare in your photos. The model number of the hood is LH780-03.
Body Colour
Sigma 18-35mm F1.8 DC HSM is available in Black color.
Popular Comparisons of Sigma 18-35mm F1.8 DC HSM
Here are the 8 most popular comparisons of the Sigma 18-35mm F1.8 DC HSM amongst Camera Decision readers.
Top Alternatives of Sigma 18-35mm F1.8 DC HSM Lens
In addition, it would be interesting to check which lenses from other mounts are most commonly compared with the Sigma 18-35mm F1.8 DC HSM.
Top Alternatives of Sigma 18-35mm F1.8 DC HSM in Other Lens Mounts
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