Nikon NIKKOR Z vs Tamron 17-
Updated July 2026 — Nikon NIKKOR Z wins on optical and build, Tamron 17- wins on price and versatility.
The Nikon NIKKOR Z 85mm f/1.8 S excels in optical quality and build, while the Tamron 17-70mm f/2.8 offers versatility at a lower price.
Why Nikon NIKKOR Z is better
Optical Quality
Superior bokeh and resolution for portraits
Build Quality
Dust and drip-resistant construction
Aperture
Wider f/1.8 aperture for low-light performance
Why Tamron 17- is better
Versatility
Zoom range suitable for various photography styles
Price
More budget-friendly option
Weight
Lighter and more compact design
Overall score
Specifications
| Spec | Nikon NIKKOR Z | Tamron 17- |
|---|---|---|
| Aperture | f/1.8 | f/2.8 |
| Focal Length | 85mm | 17-70mm |
| Elements | 2 ED | 16 elements |
| Weight | 1.5 lbs | 1.2 lbs |
| Sealing | Yes | Yes |
Dimension comparison
Introduction
In the world of photography, the choice of a lens can significantly impact the quality and versatility of your shots. Today, we will compare the Nikon NIKKOR Z 85mm f/1.8 S and the Tamron 17-70mm f/2.8 Di III-A VC RXD. The Nikon lens is priced at $796.95, while the Tamron lens is more budget-friendly at $599.00, making it about 17% cheaper. Each lens offers unique features that cater to different shooting styles and preferences.
Design and Build Quality
Both lenses feature robust designs, but they cater to different needs and preferences. The Nikon NIKKOR Z 85mm f/1.8 S boasts a dust and drip-resistant construction, ensuring durability in various shooting conditions. Its premium S-Line design emphasizes both aesthetics and functionality, making it ideal for portrait photography. In contrast, the Tamron 17-70mm f/2.8 is built for versatility and is the world's first high-speed standard zoom lens for APS-C cameras with a focal length of 17-70mm. It also features moisture-resistant construction and a fluorine coating, making it suitable for outdoor use.
Optical Performance
When it comes to optical performance, both lenses shine in their respective categories. The Nikon NIKKOR Z 85mm f/1.8 S features two ED glass elements and a Nano Crystal coating, which enhance lifelike accuracy and provide stunning bokeh. This lens is designed explicitly for portrait photography, ensuring flattering perspectives and breathtaking resolution. On the other hand, the Tamron 17-70mm f/2.8 incorporates 16 elements in 12 groups, including two GM lens elements. This design allows for outstanding optical performance across the zoom range, making it ideal for a variety of shooting scenarios.
Aperture and Focal Length
The Nikon NIKKOR Z 85mm f/1.8 S has a large maximum aperture of f/1.8, which is excellent for low-light conditions and achieving a shallow depth of field. This feature is particularly beneficial for portrait photographers who wish to isolate their subjects from the background. In contrast, the Tamron 17-70mm f/2.8 offers a constant maximum aperture of f/2.8 throughout its zoom range, which, while not as wide as the Nikon’s, still provides good low-light performance and versatility for everyday photography. The focal length of the Tamron covers a range equivalent to 25.5-105mm in full-frame terms, making it suitable for a broader range of subjects, from landscapes to portraits.
Autofocus and Shooting Experience
The Nikon NIKKOR Z 85mm f/1.8 S does not specify its autofocus capabilities, but being a premium lens, it is designed to deliver fast and accurate focusing, ideal for dynamic portrait photography. Meanwhile, the Tamron 17-70mm f/2.8 is compatible with many of Sony's camera features, including Fast Hybrid AF and Eye AF, making it an excellent choice for capturing fast-moving subjects and ensuring sharp focus in various shooting conditions.
Price and Value
At $796.95, the Nikon NIKKOR Z 85mm f/1.8 S is positioned as a premium lens for serious photographers who prioritize optical quality and build. On the other hand, the Tamron 17-70mm f/2.8 is priced at $599.00, making it a more accessible option for those who want a versatile zoom lens without compromising too much on quality. The price difference of about $197.95 reflects the specialized nature of the Nikon lens, which may only appeal to a specific segment of the market.
Versatility and Use Cases
The Nikon NIKKOR Z 85mm f/1.8 S is primarily designed for portrait photographers, making it less versatile for other types of photography. It excels in situations where flattering perspectives and stunning bokeh are essential, such as weddings and fashion shoots. Conversely, the Tamron 17-70mm f/2.8 is a highly versatile lens suitable for a wide range of photography styles, including everyday shooting, landscapes, and video production. Its zoom capabilities make it an excellent all-around option for both amateur and professional photographers.
Which should you buy?
Choosing between the Nikon NIKKOR Z 85mm f/1.8 S and the Tamron 17-70mm f/2.8 ultimately depends on your photographic needs and budget. If you're focused on portrait photography and desire high optical performance with a premium build quality, the Nikon lens is worth the investment. However, if you're looking for a versatile zoom lens that performs well across various situations and is more budget-friendly, the Tamron lens is an excellent choice. Both lenses have their strengths, making them suitable for different types of photographers.

