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Sigma 18-35mm F3.5-4.5 Lens

The Sigma 18-35mm F3.5-4.5 is a 18–35mm f/3.5 lens designed for Canon EF, Nikon F, Sony A, Pentax K mount cameras. Check GearFocus for current availability, with buyer protection on every purchase.

Sigma 18-35mm F3.5-4.5 Lens

Sigma 18-35mm F3.5-4.5 Lens

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Lens Overview — Sigma 18-35mm F3.5-4.5

The Sigma 18-35mm F3.5-4.5 is an APS-C format zoom lens designed for DSLR cameras, covering a wide-angle focal range from 18mm to 35mm. With a variable maximum aperture of f/3.5 at the wide end and f/4.5 at the telephoto end, this lens offers a practical range for a variety of photographic scenarios including landscapes, street photography, and general wide-angle work. It is available in four mount options — Canon EF, Nikon F, Sony A, and Pentax K — making it accessible to shooters across several major DSLR ecosystems.

The lens supports both autofocus and manual focus operation, giving photographers the flexibility to switch between focusing modes as needed. With a 67mm filter thread, standard circular filters such as polarizers and ND filters are easy to accommodate. Weighing 430g, it sits in a moderate weight range for an APS-C zoom lens.

It is worth noting that image stabilization is not included, which is a practical consideration for handheld shooting in lower light conditions, particularly at the longer end of the focal range.

Key Features — Sigma 18-35mm F3.5-4.5

18-35mm Zoom Range: Covers wide-angle to short-telephoto on APS-C sensors, making it useful for landscapes, street photography, and everyday shooting.

F3.5-4.5 Variable Aperture: Maximum aperture of f/3.5 at the wide end and f/4.5 at 35mm provides reasonable light gathering across the zoom range.

APS-C Format Design: Optimized for crop-sensor DSLR bodies, delivering full image-circle coverage on APS-C sensors without vignetting.

Four Mount Options: Available in Canon EF, Nikon F, Sony A, and Pentax K mounts, covering the major DSLR ecosystems.

Autofocus & Manual Focus: Supports both AF and MF operation, giving photographers the flexibility to switch modes as the situation demands.

67mm Filter Thread: A widely used filter diameter that makes it straightforward to find compatible polarizers, ND filters, and other accessories.

Lens Specifications — Sigma 18-35mm F3.5-4.5

Sigma 18-35mm F3.5-4.5 full specifications
SpecDetail
Use CasesPortrait, Landscape, Travel, Video / Cinematography
Lens TypeZoom
FormatAPS-C / DX
Zoom/PrimeZoom
Focal Length18–35mm
Maximum Aperturef/3.5
Camera SystemDSLR
Lens MountCanon EF, Nikon F, Sony A, Pentax K
AutofocusYes
Focus TypeAuto, Manual
Image StabilizationNone
Filter Thread67mm

Description — Sigma 18-35mm F3.5-4.5

The Sigma 18-35mm F3.5-4.5 is a Zoom lens built for APS-C format DSLR cameras, spanning a focal range of 18mm to 35mm — a versatile wide-angle spread for everyday photography. The variable maximum aperture runs from f/3.5 at 18mm to f/4.5 at 35mm, offering reasonable light-gathering across the zoom range. Focusing is handled via both Auto and Manual modes, giving shooters full control depending on the situation.

The 67mm filter thread opens the door to a wide range of compatible accessories, while the lens's 430g weight keeps it manageable for extended use. Available in Canon EF, Nikon F, Sony A, and Pentax K mounts, this lens covers a wide cross-section of DSLR platforms. Note that image stabilization is not present, so steady technique or faster shutter speeds are advised when shooting in challenging conditions.

Pros — Sigma 18-35mm F3.5-4.5

  • ✓Broad mount compatibility across Canon EF, Nikon F, Sony A, and Pentax K DSLR systems
  • ✓Wide-angle to short-telephoto zoom range of 18–35mm suits a variety of shooting scenarios
  • ✓Supports both autofocus and manual focus operation for flexible shooting

Cons — Sigma 18-35mm F3.5-4.5

  • ✗No image stabilization, which can be a disadvantage in low-light or handheld shooting situations
  • ✗Variable maximum aperture of f/3.5–f/4.5 limits light gathering compared to a fixed-aperture zoom
  • ✗APS-C format only — not suited for full-frame DSLR bodies

Frequently Asked Questions — Sigma 18-35mm F3.5-4.5

Which camera mounts is this lens compatible with?+

The Sigma 18-35mm F3.5-4.5 is available in Canon EF, Nikon F, Sony A, and Pentax K mounts. It is designed for DSLR cameras using APS-C format sensors.

Does this lens have image stabilization?+

No, image stabilization is listed as 'None' in the specifications. Shooters should rely on their camera body's in-body stabilization if available, or use faster shutter speeds to compensate when shooting handheld.

What filter size does this lens use?+

The lens has a 67mm filter thread, which is a widely used size. This makes it straightforward to find compatible polarizers, ND filters, and other circular filter accessories.

Can I use this lens on a full-frame DSLR camera?+

This lens is designed for APS-C format cameras. Using it on a full-frame body is not recommended as the lens format is specified as APS-C.

Does this lens support autofocus?+

Yes, the lens supports autofocus as well as manual focus. Both Auto and Manual focus types are listed in the specifications.

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