Sigma 18-50mm F2.8-4.5 DC OS HSM is a Variable aperture Auto Focus (AF)
Superzoom Zoom lens with Optical Image stabilization and APS-C / DX max sensor coverage, and it is designed to be used with
F(DX) Mount cameras.
What type of photography is the Sigma 18-50mm F2.8-4.5 DC OS HSM lens good for?
The choice of photography type for which you intend to use the Sigma 18-50mm F2.8-4.5 DC OS HSM is a crucial decision factor. Below, we have assessed its suitability for various photography scenarios:
Reasons to Buy the Sigma 18-50mm F2.8-4.5 DC OS HSM Lens
Here we've included a summary of the advantages and disadvantages of the Sigma 18-50mm F2.8-4.5 DC OS HSM lens in a list form to assist you in determining whether it offers the features you need.
Optical Image Stabilization |
Autofocus |
Distance Scale |
Hood supplied |
Internal Focusing |
Fast Aperture at Wide end |
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No Weather Sealing |
Variable Aperture |
Lens Mount
Sigma 18-50mm F2.8-4.5 DC OS HSM is compatible with cameras that have a Nikon F (DX) lens mount. Some of the latest released cameras that are compatible with the Nikon F (DX) lenses are Nikon D3500, Nikon D7500 and Nikon D5600.
Sigma 18-50mm F2.8-4.5 DC OS HSM is also available in Canon EF , Pentax KAF3, Sony Alpha and Sigma SA mounts.
Size, Weight and Filter Thread
The size and weight are crucial factors to consider when searching for your next lens. Sigma 18-50mm F2.8-4.5 DC OS HSM has a maximum diameter of 74mm and total length of 89mm. It weighs 395g / 13.9 oz.
Sigma 18-50mm F2.8-4.5 DC OS HSM has a filter thread of 67mm. Below are links to the filters that we recommend you to consider for your Sigma 18-50mm F2.8-4.5 DC OS HSM:
Focal Range
Sigma 18-50mm F2.8-4.5 DC OS HSM has a focal range of 18-50mm and 2.8X zoom ratio which has a 35mm equivalent focal range of 27-75mm when used on a APS-C / DX format camera.
Optical Image Stabilization
The Sigma 18-50mm F2.8-4.5 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 Method
Sigma 18-50mm F2.8-4.5 DC OS 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 18-50mm F2.8-4.5 DC OS HSM has a Max Magnification Ratio of 0.24x and has a minimum focusing distance of 0.3m.
Below are the 3 Superzoom Zoom type Nikon F mount lens alternatives with highest max magnification ratios:
Aperture
Sigma 18-50mm F2.8-4.5 DC OS HSM is a variable aperture lens with a max aperture of f2.8 and a minimum aperture of f22 at 18mm, and a max aperture of f4.5 and minimum aperture of f36 at 50mm .
Focal Length |
Max Aperture |
Min Aperture |
18mm
|
F2.8 |
F22 |
50mm
|
F4.5 |
F36 |
Optical Formula
Sigma 18-50mm F2.8-4.5 DC OS HSM's optical formula consists of 16 elements in 12 groups . Following special elements are used in this design:
- 2 SLD glass elements
- 3 aspherical elements
Lens Hood
Sigma 18-50mm F2.8-4.5 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 18-50mm F2.8-4.5 DC OS HSM
Here are the eight most popular comparisons of the Sigma 18-50mm F2.8-4.5 DC OS HSM amongst Camera Decision readers.
Top Alternatives of Sigma 18-50mm F2.8-4.5 DC OS HSM Lens
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