Nikon AF-S DX NIKKOR 55- vs SIGMA 18-
Updated July 2026 — Nikon AF-S DX NIKKOR 55- wins on focus dist. and weight, SIGMA 18- wins on price.
The Nikon lens offers better value and features for DSLR users, while the Sigma lens is more versatile for mirrorless systems.
Why Nikon AF-S DX NIKKOR 55- is better
Price
Nikon lens is significantly cheaper at $254.
Stabilization
Nikon features advanced Vibration Reduction technology.
Autofocus
Nikon has a Silent Wave Motor for faster autofocus.
Why SIGMA 18- is better
Weight
Sigma is lighter at 300g.
Compactness
Sigma is the smallest in its class.
Versatility
Sigma's zoom range is suitable for everyday photography.
Overall score
Specifications
| Spec | Nikon AF-S DX NIKKOR 55- | SIGMA 18- |
|---|---|---|
| Stabilization | Yes | No |
| Autofocus | SWM | Not specified |
| Max Aperture | f/4.5-5.6 | f/2.8 |
| Mount Type | Nikon DSLR | Canon RF |
| Focal Length | 55-300mm | 18-50mm |
Dimension comparison
Overview of the Nikon AF-S DX NIKKOR 55-300mm and Sigma 18-50mm
The Nikon AF-S DX NIKKOR 55-300mm is priced at $254.00, making it a more budget-friendly option compared to the Sigma 18-50mm, which costs $599.99. This significant price difference reflects the distinct target audiences and use cases for these lenses. Nikon's offering is designed for photographers using DSLR cameras, while Sigma's lens caters to users of Canon RF mount mirrorless systems.
Design and Build Quality
The Nikon lens boasts a compact design with a 5.5x telephoto zoom capability. It incorporates a High Refractive Index lens element and two extra-low dispersion elements, which contribute to its excellent image quality while remaining relatively lightweight. In contrast, the Sigma lens is noted for being the smallest and lightest in its class, with a maximum diameter of 69.2mm and a length of 74.5mm, weighing only 300g. Both lenses are designed with user experience in mind, but the Sigma's compactness may appeal to those prioritizing portability.
Image Stabilization Features
A standout feature of the Nikon lens is its Vibration Reduction (VR II) technology, which allows for handheld shooting at shutter speeds up to four times slower than would normally be possible. This technology is invaluable for capturing sharp images in low-light conditions or while on the move. The Sigma lens, while lacking a specific image stabilization feature mentioned, does offer a rubber-sealed mount, providing durability and protection against the elements. Users interested in stability during shooting may prefer the Nikon due to its advanced stabilization capabilities.
Focusing and Autofocus Performance
The Nikon AF-S DX NIKKOR lens features an exclusive Nikon Silent Wave Motor (SWM), enhancing its autofocus speed and accuracy. This is particularly beneficial for wildlife or sports photography, where quick focus is crucial. Conversely, while the Sigma lens does not specify its autofocus technology, its design allows for easy close-up shots with a minimum focusing distance of 12.1cm. This could appeal to users who enjoy macro photography or need versatility in their shooting style.
Versatility and Use Cases
The Nikon lens is ideal for various photography scenarios, including capturing distant subjects at events, family gatherings, and landscapes. Its telephoto capabilities make it suitable for photographers who require a longer reach, such as sports or wildlife shooters. On the other hand, the Sigma lens, with its standard zoom range of 18-50mm and a constant aperture of F2.8, is highly versatile for everyday photography, portraits, and landscapes. Users seeking a lens for multiple applications may gravitate towards the Sigma for its adaptability.
Price Comparison and Value
The Nikon lens is approximately 57% cheaper than the Sigma lens, priced at $254.00 compared to $599.99. This price difference is significant and may influence purchasing decisions, particularly for amateur photographers or those on a tighter budget. While both lenses offer quality and performance, the value for money is more pronounced with the Nikon lens, especially considering its features and capabilities for the price.
Brand Reputation and Sales Rank
The Nikon AF-S DX NIKKOR 55-300mm has a sales rank of 1177, indicating a solid level of popularity among users, while the Sigma lens does not have a specified sales rank. Nikon is a well-established brand known for its reliable and high-quality camera equipment, which may give potential buyers more confidence in their investment. Sigma, though respected, is often seen as a secondary option to the primary camera manufacturers. The sales rank could suggest that the Nikon lens is preferred among photographers, at least in the current market.
Which should you buy?
The decision between the Nikon AF-S DX NIKKOR 55-300mm and the Sigma 18-50mm ultimately depends on your specific needs. If you're looking for a budget-friendly telephoto option that excels in stabilization and autofocus for DSLR cameras, the Nikon lens at $254.00 is the clear winner. However, if you prioritize a lightweight, versatile lens for a Canon RF mount mirrorless system and are willing to invest significantly more, the Sigma lens priced at $599.99 might be the better choice. Each lens serves its purpose well, making it essential to consider your photographic requirements before making a purchase.

