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Sigma AF 18-200mm F3.5-6.3 DC OS HSM Lens

The Sigma 18-200mm f/3.5-6.3 is a 18–200mm f/3.5 lens designed for Canon EF, Nikon F, Sony A, Pentax K, Sigma SA mount cameras. Used copies start from $147.22 on GearFocus, with buyer protection on every purchase.

Sigma AF 18-200mm F3.5-6.3 DC OS HSM Lens

Sigma AF 18-200mm F3.5-6.3 DC OS HSM Lens

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Sigma AF 18-200mm f3.5-6.3 DC OS HSM Lens Canon EF

Condition: Excellent

Product Highlights

  • Versatile 18-200mm focal length range
  • Optical Stabilization for reduced camera shake
  • Hyper Sonic Motor for fast autofocus
  • Compact and lightweight design

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Used Sigma 18-200mm f/3.5-6.3 Listings on GearFocus

Sigma AF 18-200mm f3.5-6.3 DC OS HSM Lens Canon EF
Sigma AF 18-200mm f3.5-6.3 DC OS HSM Lens Canon EF

Excellent

$147.22

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Lens Overview — Sigma 18-200mm f/3.5-6.3

The Sigma AF 18-200mm F3.5-6.3 DC OS HSM is a versatile all-in-one zoom lens designed specifically for APS-C format DSLR cameras. Covering a focal length range of 18mm to 200mm, it spans wide-angle through telephoto territory, making it a practical single-lens solution for photographers who want flexibility without swapping glass. The maximum aperture of f/3.5 at the wide end gives reasonable light-gathering capability for a lens of this range.

Optical image stabilization is built in to help manage camera shake, which is particularly useful toward the longer end of the zoom range. Autofocus is supported alongside manual focus, giving shooters the option to fine-tune focus as needed. The 62mm filter thread is a common size, making it easy to pair with standard circular polarizers or ND filters.

At 430g, the lens sits in a manageable weight class for an 18-200mm zoom. Compatibility is broad, with mount options spanning Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA systems, making it accessible to a wide range of DSLR users across multiple camera ecosystems.

Key Features — Sigma 18-200mm f/3.5-6.3

18-200mm Focal Range: Covers wide-angle through telephoto in a single lens, eliminating the need to swap glass for most everyday shooting situations.

APS-C Format Design: Optimized for APS-C sensor DSLRs, delivering a 35mm equivalent range of approximately 27-300mm depending on the camera system.

Optical Image Stabilization: Built-in OS system helps compensate for camera shake, particularly useful at longer focal lengths where movement is more pronounced.

HSM Autofocus Motor: Hypersonic Motor drives fast, quiet autofocus and allows full-time manual focus override without switching modes.

f/3.5 Maximum Aperture: Wide-end aperture of f/3.5 provides reasonable light-gathering capability for a lens covering this focal range.

Five Mount Compatibility: Available in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, covering the majority of DSLR ecosystems.

Lens Specifications — Sigma 18-200mm f/3.5-6.3

Sigma 18-200mm f/3.5-6.3 full specifications
SpecDetail
Use CasesTravel, Portrait, Landscape, Street
Lens TypeZoom
FormatAPS-C / DX
Zoom/PrimeZoom
Focal Length18–200mm
Maximum Aperturef/3.5
Camera SystemDSLR
Lens MountCanon EF, Nikon F, Sony A, Pentax K, Sigma SA
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationOptical
Filter Thread62mm

Description — Sigma 18-200mm f/3.5-6.3

The Sigma AF 18-200mm F3.5-6.3 DC OS HSM is an all-in-one zoom lens built for APS-C format DSLR cameras. With a focal length range of 18mm to 200mm, it offers wide-angle through telephoto coverage in a single package, reducing the need to carry multiple lenses. The maximum aperture of f/3.5 at the wide end provides usable light intake for a zoom of this range.

Built-in optical image stabilization helps counteract camera shake, which is especially valuable when shooting at longer focal lengths. The lens supports both autofocus and manual focus, giving photographers control over how they acquire focus in different scenarios. A 62mm filter thread makes it straightforward to attach standard accessory filters.

Weighing just 430g, it is a practical travel and walk-around option. The lens is offered in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts, ensuring broad compatibility across the DSLR ecosystem.

Pros — Sigma 18-200mm f/3.5-6.3

  • ✓Wide 18-200mm focal length range covers wide-angle to telephoto in a single lens
  • ✓Optical image stabilization helps reduce camera shake across the zoom range
  • ✓Supports both autofocus and manual focus operation

Cons — Sigma 18-200mm f/3.5-6.3

  • ✗Maximum aperture of f/3.5 at the wide end narrows as you zoom, limiting light in longer focal lengths
  • ✗APS-C-only format means the lens is not compatible with full-frame DSLR bodies
  • ✗Variable aperture across the zoom range can complicate consistent exposure settings

Videos — Sigma 18-200mm f/3.5-6.3

Sigma 18-300mm f3.5-6.3 DC OS Macro 'C' lens review, with samples — Christopher Frost

Resources & Downloads — Sigma 18-200mm f/3.5-6.3

Manuals & Guides

Frequently Asked Questions — Sigma 18-200mm f/3.5-6.3

Which camera mounts is this lens compatible with?+
The Sigma 18-200mm OS HSM is available in Canon EF, Nikon F, Sony A, Pentax K, and Sigma SA mounts. All versions are designed for APS-C format DSLR cameras.
Does this lens work on full-frame DSLR cameras?+
No. The lens is designed for APS-C format cameras and is not intended for use on full-frame bodies. Using it on a full-frame sensor would result in significant vignetting.
Does this lens have image stabilization?+
Yes, the lens features optical image stabilization (OS), which helps reduce the effects of camera shake. This is particularly beneficial when shooting at longer focal lengths.
What filter size does this lens use?+
The lens has a 62mm filter thread, which is a common size compatible with a wide range of standard filters including polarizers and neutral density filters.
How heavy is this lens?+
The Sigma 18-200mm OS HSM weighs 430g, which is relatively manageable for a lens covering this focal length range.
Can I use manual focus with this lens?+
Yes. The lens supports both autofocus and manual focus, giving you the flexibility to switch between the two depending on your shooting situation.

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