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Nikon AF-S DX NIKKOR vs SIGMA 18-

Updated July 2026 — Nikon AF-S DX NIKKOR wins on diameter, SIGMA 18- wins on weight and zoom range.

The Nikon lens offers excellent value for budget-conscious photographers, while the Sigma lens provides versatility with its zoom capabilities.

Why Nikon AF-S DX NIKKOR is better

Price

Nikon lens is significantly cheaper at $213.31.

Weight

Nikon lens is lighter than Sigma lens.

Aperture

Nikon lens has a larger maximum aperture of f/1.8.

Why SIGMA 18- is better

Versatility

Sigma lens offers a zoom range of 18-50mm.

Build Quality

Sigma lens is designed for mirrorless cameras with a compact build.

Autofocus

Sigma lens has efficient autofocus for dynamic shooting.

Overall score

Nikon AF-S DX NIKKOR
85
SIGMA 18-
90

Specifications

SpecNikon AF-S DX NIKKORSIGMA 18-
TypePrimeZoom
CompatibilityNikon DSLRCanon RF
Max Magnification0.16x1:2.8
Focus ModesM/A, MAuto
SealYesYes

Dimension comparison

Nikon AF-S DX NIKKORSIGMA 18-

Overview of the Nikon AF-S DX NIKKOR 35mm f/1.8G Lens

The Nikon AF-S DX NIKKOR 35mm f/1.8G lens is an excellent choice for photographers seeking a compact and lightweight prime lens. Priced at $213.31, it offers a fast f/1.8 aperture, making it ideal for low-light conditions and portrait photography. This lens is designed for Nikon DSLR cameras, providing a picture angle that closely resembles that of the human eye. The Silent Wave Motor (SWM) ensures quiet and accurate autofocus, greatly enhancing the shooting experience. The durable build and design cater to a variety of photography styles, making it a versatile addition to any photographer's kit.

Overview of the Sigma 18-50mm F2.8 DC DN Contemporary Lens

The Sigma 18-50mm F2.8 DC DN Contemporary Lens is a versatile zoom lens priced at $599.99. It is designed for Canon RF mount mirrorless cameras, offering a wider focal range, from 18mm to 50mm, which makes it suitable for landscapes, portraits, and close-up shots alike. The lens maintains a constant f/2.8 aperture throughout its zoom range, providing excellent performance in various lighting conditions. The compact and lightweight design, weighing just 300g, makes it easy to carry and handle, catering to photographers on the go. Additionally, the rubber-sealed mount offers protection against environmental elements.

Price Comparison

When comparing prices, the Nikon lens is significantly more affordable at $213.31, making it about 64% cheaper than the Sigma lens, which retails for $599.99. For photographers on a budget, the Nikon AF-S DX NIKKOR 35mm f/1.8G lens presents an excellent value without compromising on quality. The Sigma lens, while more expensive, offers a broader zoom range and a constant aperture, justifying its price for those who need more versatility in their shooting options. Ultimately, the choice between these two lenses may hinge on whether one prefers a prime lens or a zoom lens.

Build Quality and Design

The Nikon AF-S DX NIKKOR 35mm f/1.8G lens is characterized by its compact and lightweight design, measuring approximately 70 x 52.5mm. It features a durable construction with an emphasis on optical performance, making it well-suited for both casual and professional photography. The lens includes a rubber seal to minimize moisture ingress, which is particularly beneficial for outdoor shooting.

On the other hand, the Sigma 18-50mm F2.8 DC DN is the smallest and lightest in its class, with a maximum diameter of 69.2mm and a length of 74.5mm. This compact design enhances portability, ideal for photographers who travel frequently. The rubber-sealed mount further adds to its durability, allowing for use in various environmental conditions. Both lenses prioritize build quality, but the Sigma offers a broader range of focal lengths in a similarly compact package.

Image Quality and Performance

The Nikon AF-S DX NIKKOR 35mm f/1.8G lens is known for its high-quality image reproduction, thanks to its aspherical lens elements that minimize aberrations. The fast f/1.8 aperture allows for beautiful bokeh and shallow depth of field, making it perfect for portraits and low-light photography. The lens provides sharp images with vibrant colors, and the Nikon Super Integrated Coating enhances light transmission, reducing flare.

In contrast, the Sigma 18-50mm F2.8 DC DN lens, with its constant f/2.8 aperture throughout the zoom range, offers excellent image quality across various focal lengths. This versatility allows photographers to achieve sharp images in a range of scenarios, from wide-angle landscapes to close-up shots. The lens's design also supports high-quality optics, ensuring minimal distortion and color fringing. While both lenses deliver impressive image quality, the Sigma shines in versatility due to its zoom capability.

Autofocus System

Autofocus performance is a crucial factor for many photographers. The Nikon AF-S DX NIKKOR 35mm f/1.8G features a Silent Wave Motor that provides fast and quiet autofocus, making it ideal for capturing spontaneous moments without disturbing the environment. The lens also offers two focus modes: M/A for manual override and M for manual focus, providing flexibility in different shooting situations.

On the other hand, the Sigma 18-50mm F2.8 DC DN lens also boasts an efficient autofocus system that enhances user experience, especially in dynamic shooting conditions. The combination of its lightweight design and responsive autofocus allows for quick adjustments, making it suitable for a variety of photographic styles. Both lenses excel in autofocus performance, but the choice may depend on the specific needs of the user, such as the preference for prime versus zoom options.

Compatibility and Versatility

The Nikon AF-S DX NIKKOR 35mm f/1.8G lens is designed specifically for Nikon DSLR cameras, ensuring seamless compatibility and performance. It is particularly effective for photographers who appreciate a prime lens's unique characteristics and are focused on capturing portraiture, street photography, or landscapes.

Conversely, the Sigma 18-50mm F2.8 DC DN lens is specifically tailored for Canon RF mount mirrorless cameras. Its versatility as a zoom lens allows photographers to cover a wide range of subjects without changing lenses frequently, making it ideal for those who prefer to travel light while still having the flexibility to shoot various scenes. For photographers looking for compatibility and versatility in their gear, the choice between these two lenses will heavily depend on the camera system they are using.

Which should you buy?

Deciding between the Nikon AF-S DX NIKKOR 35mm f/1.8G lens and the Sigma 18-50mm F2.8 DC DN lens ultimately comes down to your specific needs and preferences. The Nikon lens is a great choice for those seeking a compact, high-quality prime lens at a much lower price point of $213.31, making it accessible for photographers on a budget. However, if versatility and a broader focal range are paramount, the Sigma lens may be worth the investment at $599.99. Each lens brings its unique strengths, so consider your shooting style and requirements before making a decision.