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Sigma 28- vs Tamron

Updated July 2026 — Sigma 28- wins on versatility and build, Tamron wins on price and weight.

The Sigma 28-70mm offers versatility and superior optical performance, while the Tamron 24mm is a budget-friendly option for wide-angle photography.

Why Sigma 28- is better

Versatility

Sigma covers a wider zoom range.

Optical Quality

Sigma rivals Art line lenses.

Build Quality

Sigma has superb build quality.

Why Tamron is better

Price

Tamron is significantly cheaper.

Compactness

Tamron is lighter and smaller.

Macro Capability

Tamron offers a 1:2 magnification ratio.

Overall score

Sigma 28-
85
Tamron
75

Specifications

SpecSigma 28-Tamron
Focal Length28-70mm24mm
Aperturef/2.8f/2.8
Max MagnificationN/A1:2
Moisture ResistanceNoYes
Focus TypeInternalExternal

Dimension comparison

Sigma 28-Tamron

Overview of the Sigma 28-70mm F2.8 DG DN and Tamron 24mm F/2.8 Di III OSD

The Sigma 28-70mm F2.8 DG DN is a versatile zoom lens, while the Tamron 24mm F/2.8 Di III OSD offers a compact wide-angle option. Sigma's lens is priced at $859.95, compared to Tamron's more budget-friendly $199.00, making it about 77% cheaper. Each lens targets different photography needs, catering to both general and specialized uses.

The Sigma 28-70mm is designed for those who appreciate a balance of performance and portability, offering an impressive zoom range and a constant f/2.8 aperture. The Tamron 24mm, on the other hand, excels in wide-angle photography and macro capabilities, making it ideal for landscape and close-up shots. Understanding their unique features can guide photographers to the right choice based on their shooting style.

Build Quality and Design

The Sigma 28-70mm boasts superb build quality, ensuring durability for daily use. Its lightweight and compact design make it suitable for extended shooting sessions. The lens incorporates advanced features like internal focusing and a focus mode switch, enhancing usability for photographers.

Conversely, the Tamron 24mm is equally compact and lightweight, measuring only 2.5 inches in length and weighing 7.6 ounces. Its design focuses on portability, making it a great option for travel or outdoor shoots. The lens also features a moisture-resistant construction and a fluorine coating, providing added protection for outdoor photography.

Optical Performance

Sigma's 28-70mm F2.8 is constructed to deliver outstanding optical performance throughout its zoom range, rivaling the quality of lenses from its Art line. The large aperture allows for excellent low-light shooting and beautiful background blur, enhancing the overall image quality.

The Tamron 24mm also delivers impressive optical performance, particularly with its 1:2 maximum magnification ratio, enabling detailed macro-style shots. Its f/2.8 aperture helps create a pleasing bokeh, making it suitable for both wide-angle and close-up photography. Both lenses excel in their respective categories, offering sharpness and clarity.

Versatility in Usage

The Sigma 28-70mm lens is incredibly versatile, covering a focal length that is suitable for a variety of photography styles, from portraits to landscapes. This adaptability makes it a prime choice for photographers who want a single lens that can handle multiple situations effectively.

On the other hand, the Tamron 24mm is a specialized lens perfect for expansive landscapes and city scenes. Its wide-angle field-of-view captures more of the scene, making it ideal for general-purpose wide-angle photography. While the Sigma offers flexibility, the Tamron excels in specific scenarios, making it a great companion for outdoor adventures.

Price Comparison

The Sigma 28-70mm is priced at $859.95, while the Tamron 24mm comes in at a significantly lower price of $199.00. This price difference of approximately $660.95 highlights a major consideration for budget-conscious photographers. The Tamron is about 77% cheaper, making it an attractive option for those who may not need the versatility of a zoom lens.

This substantial difference in price often reflects the target audience of each lens. The Sigma appeals to professionals or serious enthusiasts who prioritize high-quality performance and adaptability. The Tamron, conversely, is designed for casual photographers or those looking for a compact option without breaking the bank.

Ideal User Profiles

The Sigma 28-70mm is ideal for photographers who require a reliable, high-performance lens for various shooting situations. Its internal focusing and lightweight design make it suitable for both everyday use and special occasions, such as weddings or events.

In contrast, the Tamron 24mm is perfect for those who enjoy wide-angle photography, particularly in landscape or street photography contexts. Its compact size allows for easy transport, making it an excellent choice for travel enthusiasts or those who often shoot outdoors. Each lens caters to specific user needs, highlighting the importance of selecting based on personal photography styles.

Additional Features

Sigma's lens incorporates advanced technology such as a nano porous coating, which enhances light transmission and reduces flare. This feature contributes to the overall image quality, especially in challenging lighting conditions. The focus mode switch adds convenience, allowing photographers to quickly adapt their shooting style.

The Tamron 24mm includes a fluorine coating that resists dirt and moisture, ensuring that it can withstand outdoor conditions. Its minimum object distance of 4.7 inches allows for unique close-up shots, adding to its versatility. These additional features serve to enhance the user experience and adaptability of both lenses in different shooting environments.

Which should you buy?

Choosing between the Sigma 28-70mm F2.8 DG DN and the Tamron 24mm F/2.8 Di III OSD ultimately depends on your specific photography needs and budget. If you require a versatile lens for a variety of shooting scenarios and are willing to invest in higher performance, the Sigma is the better choice. However, if you're looking for a compact, high-quality wide-angle lens at a much lower price, the Tamron stands out as an excellent option. Each lens brings unique strengths to the table, making them suitable for different types of photographers.