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Sigma 18-50mm F2.8-4.5 DC OS HSM Nikon F (DX) Review
Sigma 18-50mm F2.8-4.5 DC OS HSM

Main Features

  • 18-50mm Focal Range
  • F2.8 - F4.5 Max Aperture
  • Image Stabilization
  • Filter Thread: 67mm
  • Max Format: APS-C / DX
  • Nikon F (DX) Mount
  • Weight: 395g.
  • Diameter: 74mm
  • Length: 89mm
  • Min Focus Distance:0.3m
  • Max Magnification:0.24x
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Sigma 18-50mm F2.8-4.5 DC OS HSM Overview
Sigma 18-50mm F2.8-4.5 DC OS HSM is an Auto Focus (AF) SuperZoom lens with APS-C / DX max sensor coverage and it is designed to be used with Nikon F (DX) mount cameras.

Lens Mount

Sigma 18-50mm F2.8-4.5 DC OS HSM is compatible with cameras that have Nikon F (DX) lens mount.Some of the latest released cameras with Nikon F (DX) lens mount are Nikon D3500, Nikon D7500 and Nikon D5600.

Sensor Coverage

Max sensor coverage of Sigma 18-50mm F2.8-4.5 DC OS HSM is APS-C / DX.

Focal Range

Sigma 18-50mm F2.8-4.5 DC OS HSM has a focal range of 18-50mm and 2.8X zoom ratio. When mounted on a APS-C / DX format camera, it provides an 35mm (FF) equivalent of 27 - 75mm.

Optical Image Stabilization

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

Rotary (internal)

Aperture

Sigma 18-50mm F2.8-4.5 DC OS HSM has a max aperture of f2.8 at 18mm and max aperture of f4.5 at 50mm .
Pros and Cons of Sigma 18-50mm F2.8-4.5 DC OS HSM

PROs
Image Stabilization
Built-in Autofocus
Hood supplied
Internal Focusing
Fast and Bright at Wide end

CONs
No Weather Sealing
Variable Aperture
Sigma 18-50mm F2.8-4.5 DC OS HSM Detailed Specifications

General
Brand Sigma
Lens Type Zoom
Lens Type SuperZoom
Lens Mount Nikon F (DX)
Max Format APS-C / DX
Focal Range 18-50mm
Image Stabilization Yes
Colour Unknown
Zoom Method Rotary (internal)
Power Zoom No Zoom
Zoom Lock No Zoom
Zoom Ratio 2.8X
APERTURE
Max Aperture F2.8 - F4.5
Min Aperture F22.0 - F36.0
Aperture Ring No
Diaphragm Blades 7
Optics
Optical Elements 16
Optical Groups 12
Special Elements 2 SLD glass elements 3 aspherical elements

FOCUSING
Min Focus Distance 0.3m
Max Magnification 0.24X
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 395g
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
Sigma 18-50mm F2.8-4.5 DC OS HSM Alternatives in Nikon F (DX) Mount
Model Coverage Weight Focusing Street Price
Nikon AF-S DX Nikkor 17-55mm f2.8G ED-IF Lens Nikon AF-S DX Nikkor 17-55mm f2.8G ED-IF
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Nikon AF-P DX NIKKOR 18-55mm F3.5-5.6G VR Lens Nikon AF-P DX NIKKOR 18-55mm F3.5-5.6G VR
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Nikon AF-P DX NIKKOR 18-55mm F3.5-5.6G Lens Nikon AF-P DX NIKKOR 18-55mm F3.5-5.6G
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APS-C / DX 195gr AF Amazon B&H Photo
Tokina AF-X Pro 16-50mm f2.8 DX Lens Tokina AF-X Pro 16-50mm f2.8 DX
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APS-C / DX 610gr AF Amazon B&H Photo
Sigma 17-50mm F2.8 EX DC OS HSM Lens Sigma 17-50mm F2.8 EX DC OS HSM
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APS-C / DX 565gr AF Amazon B&H Photo
Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF Lens Tamron SP AF 17-50mm F2.8 XR Di II LD Aspherical IF
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Tamron SP AF 17-50mm F2.8 XR Di II VC LD Aspherical IF Lens Tamron SP AF 17-50mm F2.8 XR Di II VC LD Aspherical IF
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APS-C / DX 570gr AF Amazon B&H Photo
Frequently Asked Questions about Sigma 18-50mm F2.8-4.5 DC OS HSM
is the Sigma 18-50mm F2.8-4.5 DC OS HSM a Weather Sealed lens?
What is the Minimum Focusing Distance of Sigma 18-50mm F2.8-4.5 DC OS HSM
is the Sigma 18-50mm F2.8-4.5 DC OS HSM an Autofocus (AF) lens?
What is the Filter Thread Size of Sigma 18-50mm F2.8-4.5 DC OS HSM
Does Sigma 18-50mm F2.8-4.5 DC OS HSM have Image Stabilization?
Does Sigma 18-50mm F2.8-4.5 DC OS HSM have Aperture Ring?
What is the Maximum Magnification Ratio of Sigma 18-50mm F2.8-4.5 DC OS HSM
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