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Sigma vs Tamron 28-

Updated July 2026 — Sigma wins on price and aperture, Tamron 28- wins on weight and length.

The Sigma lens offers better value and low-light performance, while the Tamron lens provides versatility and advanced features.

Why Sigma is better

Price

Sigma is $330 cheaper than Tamron

Low-light

Sigma has a larger aperture of F1.4

Compactness

Sigma is more portable and lightweight

Why Tamron 28- is better

Versatility

Tamron has a zoom range of 28-75mm

Autofocus

Tamron features a quiet VXD linear motor

Close-ups

Tamron achieves a minimum object distance of 7.1 inches

Overall score

Sigma
85
Tamron 28-
75

Specifications

SpecSigmaTamron 28-
ApertureF1.4F2.8
Zoom30mm28-75mm
AutofocusStepping MotorVXD Linear
Close-upN/A7.1 inches
WarrantyStandard6 Years

Dimension comparison

SigmaTamron 28-

Overview

When comparing the Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E and the Tamron 28-75mm F/2.8 Di III VXD G2 for Nikon Z Mount Mirrorless Cameras, notable differences in design, functionality, and pricing emerge. The Sigma lens is priced at $419.00, while the Tamron lens is significantly higher at $749.00, making the Sigma about 44% cheaper. This article will delve into various aspects of these two lenses to help photographers determine which might be the better choice for their needs.

Design and Build Quality

The Sigma 30mm lens features a compact design, making it highly portable and convenient for travel or street photography. It weighs less than many comparable lenses and comes with a lens hood, rear and front cap. In contrast, the Tamron 28-75mm lens is slightly larger at 4.7 inches long and weighs 19.4 oz, but it boasts a moisture-resistant construction and a fluorine coating for added durability. The Sigma's nine rounded aperture blades contribute to its impressive bokeh, while the Tamron’s design focuses on functionality with features like a rubber focusing ring for a comfortable grip.

Optical Performance

The Sigma lens is designed for high performance, particularly in low-light scenarios, thanks to its large aperture of F1.4. This allows greater depth of field control and exceptional image quality. The Tamron 28-75mm lens, while slightly slower at F2.8, offers versatility with its zoom range from 28mm to 75mm, making it ideal for various photographic situations. The Tamron lens also excels in close-up photography, achieving a minimum object distance of 7.1 inches and a maximum magnification ratio of 1:2.7, which opens up creative options for photographers.

Autofocus Capabilities

The Sigma lens utilizes a stepping motor for fast and accurate autofocus, which is particularly beneficial for video work. This feature enhances the lens's usability in dynamic shooting environments. On the other hand, the Tamron's VXD linear motor is designed for high-speed and high-precision autofocus, making it equally effective for both stills and videos. The added advantage of the Tamron lens's quiet operation is beneficial for capturing audio during video shoots, potentially giving it an edge for filmmakers.

Price Comparison

The Sigma lens is priced at $419.00, while the Tamron lens comes in at $749.00. This substantial price difference of $330 means that the Sigma is about 44% cheaper than the Tamron. For budget-conscious photographers or those just starting, the Sigma lens may provide better value without sacrificing much in terms of performance. However, those willing to invest more for additional features may find the Tamron lens worth the extra cost.

Compatibility

The Sigma 30mm lens is compatible with Sony E-mount cameras, making it an excellent choice for users of that system. It caters to APS-C mirrorless cameras, which means it may not fit full-frame users without issues. Conversely, the Tamron 28-75mm lens is specifically designed for Nikon Z mount mirrorless cameras, making it a perfect fit for Nikon full-frame users. Photographers should consider their camera system compatibility when deciding between these two lenses.

Accessories and Usability

The Sigma lens comes with essential accessories, including a lens hood and front and rear caps, ensuring it’s ready to use right out of the box. This enhances its usability, especially for those who might not want to invest in additional accessories immediately. The Tamron lens, while it may not come with as many accessories, includes features like the TAMRON Lens Utility, which expands its capabilities for both still photography and video shooting. This utility can be a deciding factor for users who seek enhanced functionality.

User Experience and Reviews

While specific sales rank data for these lenses is not provided, user reviews and experiences can be indicative of their performance. Photographers often praise the Sigma 30mm for its sharpness and low-light capabilities, while the Tamron 28-75mm is lauded for its versatile zoom range and effective autofocus. Each lens appeals to different user needs—Sigma for those prioritizing compactness and low-light performance, and Tamron for users who value versatility and functionality in varying shooting conditions.

Which should you buy?

Ultimately, the choice between the Sigma 30mm F1.4 Contemporary DC DN Lens for Sony E and the Tamron 28-75mm F/2.8 Di III VXD G2 for Nikon Z Mount Mirrorless Cameras hinges on individual needs and preferences. If you prioritize a compact design, excellent low-light performance, and a lower price point, the Sigma lens is the clear winner at $419.00. However, if you prefer versatility, a zoom range, and enhanced autofocus capabilities, the Tamron lens, though pricier at $749.00, may justify the investment for your photography style.