Nikon AF-S DX NIKKOR 55- vs Sigma 18-
Updated July 2026 — Nikon AF-S DX NIKKOR 55- wins on price and stabilization, Sigma 18- wins on weight and optical quality.
The Nikon AF-S DX NIKKOR 55-300mm offers better value and features for telephoto photography, while the Sigma 18-50mm excels in portability and everyday use.
Why Nikon AF-S DX NIKKOR 55- is better
Price
Nikon lens is significantly cheaper at $254 compared to Sigma's $587.
Stabilization
Nikon features advanced VR II Image Stabilization for sharper images.
Autofocus
Nikon has a Silent Wave Motor for fast and quiet autofocus.
Why Sigma 18- is better
Portability
Sigma is smaller and lighter, making it easier to carry.
Versatility
Sigma's focal range is more suitable for everyday photography.
Optical Quality
Sigma offers superb optical quality with in-camera aberration correction.
Overall score
Specifications
| Spec | Nikon AF-S DX NIKKOR 55- | Sigma 18- |
|---|---|---|
| Focal Length | 55-300mm | 18-50mm |
| Aperture | f/4.5-5.6 | f/2.8 |
| Image Stabilization | Yes | No |
| Autofocus Type | SWM | Not specified |
| Weight | 1.5 lbs | 0.9 lbs |
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, while the Sigma 18-50mm is priced at $587.00. This marks a significant difference in cost, with the Nikon lens being about 57% cheaper than the Sigma option. Each lens caters to different photography needs, making a head-to-head comparison essential for potential buyers.
Intended Use
The Nikon AF-S DX NIKKOR 55-300mm is designed primarily as a telephoto zoom lens, making it suitable for capturing distant subjects such as sports events, wildlife, and landscapes. Its 5.5x zoom capability offers versatility and is especially beneficial for outdoor photography. In contrast, the Sigma 18-50mm is a wide-angle to standard zoom lens that excels in versatility for everyday photography, including portraits and landscapes. Users should consider their specific photography style when choosing between these two lenses.
Optical Performance
The Nikon lens features advanced optical technology, including Nikon VR II Image Stabilization, which allows for handheld shooting at up to four shutter speeds slower than usual. This ensures sharper images, even in challenging lighting conditions. On the other hand, the Sigma lens boasts superb optical quality and in-camera aberration correction, which enhances image clarity and color accuracy. While both lenses provide excellent optical performance, the Nikon lens offers specific stabilization features that can be particularly valuable for sports and outdoor photography.
Size and Weight
The Sigma 18-50mm lens is noted for being small and light, making it an ideal travel companion for photographers who prioritize portability. In contrast, the Nikon AF-S DX NIKKOR 55-300mm, while still manageable, is bulkier due to its telephoto capabilities. For users who prioritize weight and compactness for everyday use, the Sigma may be the more attractive option, especially for those who frequently carry their gear.
Autofocus Capabilities
The Nikon lens is equipped with the exclusive Nikon Silent Wave Motor (SWM), which enables fast, accurate, and quiet autofocus. This feature is particularly useful for capturing spontaneous moments without disturbing the subject. Meanwhile, details about the autofocus performance of the Sigma lens are not specified; however, its advanced optical technology suggests it also offers reliable autofocus. For photographers who prioritize quick and silent focusing, the Nikon lens clearly has an advantage.
Price Consideration
With a price of $254.00, the Nikon AF-S DX NIKKOR 55-300mm is considerably more budget-friendly than the Sigma 18-50mm, which retails at $587.00. This price difference of approximately $333 makes the Nikon lens a more accessible option for amateur photographers or those on a budget. Despite its lower cost, the Nikon lens does not skimp on features, delivering excellent image stabilization and a versatile focal range that justifies its price.
Brand Reputation
Both Nikon and Sigma are reputable brands in the photography industry, each with its own strengths. Nikon is known for its extensive range of DSLR lenses and has a strong following among professional photographers. The Nikon AF-S DX NIKKOR 55-300mm has a sales rank of 1177, indicating its popularity among users. Sigma, on the other hand, has gained a reputation for producing high-quality lenses with innovative features, such as the Sigma 18-50mm's compact design and optical performance. Ultimately, brand preference may play a significant role in a buyer's decision.
Which should you buy?
Choosing between the Nikon AF-S DX NIKKOR 55-300mm and the Sigma 18-50mm hinges on your specific photography needs and budget. If you are looking for a versatile telephoto lens at a significantly lower price point, the Nikon lens is a compelling choice. Its advanced stabilization features and autofocus capabilities make it ideal for capturing distant subjects. Conversely, if you prioritize portability and a broader focal range for everyday photography, the Sigma lens offers excellent optical quality, albeit at a higher price. Ultimately, assess your photography style, budget, and the specific features that matter most to you before making a decision.

