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Sigma 18-125mm F3.8-5.6 DC OS HSM Canon EF Review

Sigma 18-125mm F3.8-5.6 DC OS HSM

Main Features

  • 18-125mm Focal Range
  • F3.8 - F5.6 Max Aperture
  • Image Stabilization
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Canon EF Mount
  • Weight: 490g.
  • Diameter: 74mm
  • Length: 89mm
  • Min Focus Distance:0.35m
  • Max Magnification:0.26x
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Sigma 18-125mm F3.8-5.6 DC OS HSM Overview

Sigma 18-125mm F3.8-5.6 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 Canon EF mount cameras.

What type of photography is the Sigma 18-125mm F3.8-5.6 DC OS HSM lens good for?

The type of photography that you are planning to use the Sigma 18-125mm F3.8-5.6 DC OS HSM is an important decision factor. Here we have evaluated its suitability to various photography scenarios:

Photography Type Suitability
Bird/WildlifeAverage
SportsAverage
PortraitGood
TravelGood
StreetAverage
WeddingGood
Walk AroundGood
VloggingFair
LandscapeGood
MacroAverage

Reasons to Buy Sigma 18-125mm F3.8-5.6 DC OS HSM Lens

Here, we've included a summary of the advantages and disadvantages of the Sigma 18-125mm F3.8-5.6 DC OS HSM lens in a list form to help you determine whether it offers the features you need.

PROs
Optical Image Stabilization
Autofocus
Distance Scale
Hood supplied
Focus Distance Limiter
Zoom Lock
Versatile Lens with a Zoom Ratio of 6x
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Buy Sigma 18-125mm F3.8-5.6 DC OS HSM from Amazon or B&H PHOTO


CONs
No Weather Sealing
Lens Extents while zooming
Slow Aperture at Tele end
Variable Aperture

Lens Mount

Sigma 18-125mm F3.8-5.6 DC OS HSM is compatible with cameras that have Canon EF lens mount. Some of the latest released cameras that are compatible with the Canon EF lenses are Canon T8i, Canon 90D and Canon SL3.

Sigma 18-125mm F3.8-5.6 DC OS HSM is also available in Sigma SA and Nikon F (DX) mounts.

Size, Weight and Filter Thread

Size and weight is a very important decision factor when searching for your next lens. Sigma 18-125mm F3.8-5.6 DC OS HSM has a maximum diameter of 74mm and total length of 89mm. It weighs 490g / 17.3 oz.

Sigma 18-125mm F3.8-5.6 DC OS HSM has a filter thread of 67mm.

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 28.8-200mm 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 .

Focal Length Max Aperture Min Aperture
18mm F3.8 F22
125mm F5.6 F36

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.

Top Alternatives of Sigma 18-125mm F3.8-5.6 DC OS HSM Lens
Model Coverage Weight Focusing Street Price
Canon EF-S 18-135mm f3.5-5.6 IS STM Lens Canon EF-S 18-135mm f3.5-5.6 IS STM
Compare
APS-C / DX 480gr AF Amazon B&H Photo
Canon EF-S 18-135mm F3.5-5.6 IS USM Lens Canon EF-S 18-135mm F3.5-5.6 IS USM
Compare
APS-C / DX 515gr AF Amazon B&H Photo
Tokina AT-X 16.5-135mm f3.5-5.6 DX Lens Tokina AT-X 16.5-135mm f3.5-5.6 DX
Compare
APS-C / DX 610gr AF Amazon B&H Photo
Canon EF-S 18-135mm f3.5-5.6 IS Lens Canon EF-S 18-135mm f3.5-5.6 IS
Compare
APS-C / DX 455gr AF Amazon B&H Photo
Canon EF-S 18-55mm f3.5-5.6 IS STM Lens Canon EF-S 18-55mm f3.5-5.6 IS STM
Compare
APS-C / DX 205gr AF Amazon B&H Photo
Sigma 18-200mm F3.5-6.3 DC Lens Sigma 18-200mm F3.5-6.3 DC
Compare
APS-C / DX 405gr AF Amazon B&H Photo
Canon EF-S 18-55mm f3.5-5.6 Lens Canon EF-S 18-55mm f3.5-5.6
Compare
APS-C / DX 190gr AF Amazon B&H Photo
Tamron 18-400mm F3.5-6.3 Di II VC HLD Lens Tamron 18-400mm F3.5-6.3 Di II VC HLD
Compare
APS-C / DX 710gr AF Amazon B&H Photo

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**This post contains affiliate links and I will be compensated if you make a purchase after clicking through my links. As an Amazon Associate I earn from qualifying purchases.

Sigma 18-125mm F3.8-5.6 DC OS HSM Alternatives in Canon EF Mount
Model Coverage Weight Focusing Street Price
Canon EF-S 18-135mm f3.5-5.6 IS Lens Canon EF-S 18-135mm f3.5-5.6 IS
Compare
APS-C / DX 455gr AF Amazon B&H Photo
Canon EF-S 18-135mm f3.5-5.6 IS STM Lens Canon EF-S 18-135mm f3.5-5.6 IS STM
Compare
APS-C / DX 480gr AF Amazon B&H Photo
Canon EF-S 18-135mm F3.5-5.6 IS USM Lens Canon EF-S 18-135mm F3.5-5.6 IS USM
Compare
APS-C / DX 515gr AF Amazon B&H Photo
Tokina AT-X 16.5-135mm f3.5-5.6 DX Lens Tokina AT-X 16.5-135mm f3.5-5.6 DX
Compare
APS-C / DX 610gr AF Amazon B&H Photo

Sigma 18-125mm F3.8-5.6 DC OS HSM Detailed Specifications


General
Brand Sigma
Lens Type Zoom
Lens Type SuperZoom
Lens Mount Canon EF
Max Format APS-C / DX
Focal Range 18-125mm
Image Stabilization Yes
Colour Unknown
Zoom Method No Zoom
Power Zoom No Zoom
Zoom Lock Yes
Zoom Ratio 6.9X
APERTURE
Max Aperture F3.8 - F5.6
Min Aperture F22.0 - F36.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 16
Optical Groups 12
Special Elements 2 SLD (Special Low Dispersion) glass elements 1 molded glass aspherical element 2 hybrid aspherical elements

FOCUSING
Min Focus Distance 0.35m
Max Magnification 0.26X
Autofocus Yes
AF Motor Type Ultrasonic
Full Time Manual No
Focus Method Internal
Focus Distance Limiter no
Distance Scale Yes
DoF Scale No
PHYSICAL SPECS
Weight 490g
Diameter 74mm
Length 89mm
Materials metal mount
Weather Sealing No
Filter Thread 67mm
Filter Notes Does not rotate on focusing
Hood Supplied Yes
Tripod Collar No
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Frequently Asked Questions about Sigma 18-125mm F3.8-5.6 DC OS HSM
is the Sigma 18-125mm F3.8-5.6 DC OS HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 18-125mm F3.8-5.6 DC OS HSM
is the Sigma 18-125mm F3.8-5.6 DC OS HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 18-125mm F3.8-5.6 DC OS HSM
Does Sigma 18-125mm F3.8-5.6 DC OS HSM have Image Stabilization?
Does Sigma 18-125mm F3.8-5.6 DC OS HSM have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 18-125mm F3.8-5.6 DC OS HSM
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