Sigma
Sigma 861306 18-50mm f/2.8 OS HSM Lens (Nikon)
★★★★★
f/2.8
Capture Stunning Images with the Sigma 18-50mm Lens The Sigma 18-50mm f/2.8-4.5 DC OS HSM lens is designed exclusively for digital SLR cameras with APS-C sensors. Featuring a wide aperture and Sigma's Optical Stabilization (OS) system, this lens ensures sharp, clear images even in low-light cond...
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Capture Stunning Images with the Sigma 18-50mm Lens
The Sigma 18-50mm f/2.8-4.5 DC OS HSM lens is designed exclusively for digital SLR cameras with APS-C sensors. Featuring a wide aperture and Sigma's Optical Stabilization (OS) system, this lens ensures sharp, clear images even in low-light conditions. The Hyper Sonic Motor (HSM) delivers fast and quiet autofocus, making it ideal for various photography scenarios.
Specifications:
- Mount: Nikon Digital SLR Cameras
- Focal Length: 18-50mm
- Aperture: f/2.8-4.5
- Optical Stabilization: Yes (OS)
- Focusing System: Hyper Sonic Motor (HSM)
- Lens Elements: 2 SLD (Special Low Dispersion) glass elements, 3 Aspherical lenses
- Coating: Super Multi-Layer Coating
- Minimum Focusing Distance: 11.8 inches (30cm)
- Maximum Magnification Ratio: 1:4.1
- Focusing/Zooming: Inner focusing and inner zooming systems
Key Features
Optical Stabilizer: Sigma's own OS System
Large Aperture/Wide Angle: Superior low light photos
High Image Quality: Two SLD glass elements and three Aspherical lenses corrects all aberrations
Includes: Petal-Type Hood
Mounts: Sigma, Nikon, Canon, Sony and Pentax
Specifications
Focal Length
18-50mm
Aperture
f/2.8 OS HSM
Optical Stabilization
Sigma's OS System
Lens Elements
Two SLD glass, three Aspherical lenses
Included Accessory
Petal-Type Hood
Compatible Mounts
Sigma, Nikon, Canon, Sony, Pentax
Pros & Cons
👍 Pros
- Features Sigma's Optical Stabilizer (OS) System, which helps in reducing camera shake for sharper images
- Equipped with a large f/2.8 aperture at the wide end, enabling superior low-light photography and shallow depth of field
- Offers high image quality through the inclusion of two SLD glass elements and three Aspherical lenses, correcting aberrations
- Comes with a petal-type lens hood, which helps in preventing flare and ghosting from stray light
- Available for multiple camera mounts, including Nikon, Canon, Sony, Pentax, and Sigma, offering broad compatibility
- Provides a versatile 18-50mm focal range, suitable for various photographic situations from wide-angle to standard portraits
👎 Cons
- The optical stabilizer might not be as effective as in-body image stabilization systems found in some camera bodies
- While offering a large aperture at 18mm, it narrows to f/2.8 at 50mm, which is less ideal for low-light telephoto shots
- The lens is designed for APS-C sensors and may not be suitable for full-frame cameras without significant cropping or vignetting
- Specific details regarding its weather sealing or construction materials are not provided, which could impact durability
- The inclusion of an HSM motor is mentioned, but its speed and quietness are not explicitly detailed for video recording or fast action
Frequently Asked Questions
Does this Sigma lens include image stabilization?
Yes, this Sigma 18-50mm f/2.8 OS HSM lens features Sigma's own Optical Stabilizer (OS) System to help reduce camera shake.
Is this lens suitable for low-light photography?
The large f/2.8 aperture at the wide angle makes this lens suitable for capturing superior photos in low-light conditions.
What types of glass elements are used to ensure high image quality?
The lens incorporates two SLD (Special Low Dispersion) glass elements and three Aspherical lenses to correct various aberrations and ensure high image quality.
What accessories come with the Sigma 18-50mm lens?
The lens includes a petal-type hood, designed to prevent unwanted light from entering the lens and causing flare.
Which camera mounts is this lens compatible with?
This lens is available for multiple mounts, including Sigma, Nikon, Canon, Sony, and Pentax, offering versatility for different camera systems.
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