Sigma 28-105mm f2.8 Lens: Features and Performance Review

Sigma's 28-105mm f2.8 lens impressively balances versatility, weight, and price, making it a strong contender for photographers.

### Sigma's New 28-105mm f2.8 Lens
Sigma has launched a **28-105mm f2.8 DG DN art series lens**, offering a more affordable alternative to Canon's **24-105mm f2.8 lens**. The Sigma lens weighs **under a kilo** and is priced at **$1500**, half the cost of the Canon lens. It features a variety of controls, including an **aperture ring**, **custom function buttons**, and a **zoom lock**, making it a **well-engineered and versatile option** for photographers.

### Sigma Lens Features and Performance
The Sigma lens has a **premium feel** with engineered plastics and a unique **12-bladed aperture** for beautiful sun stars. It offers thorough **weather sealing**, a **smooth zoom function**, and a minimum focus distance of **40 cm** for varying magnification. The lens features Sigma's **high-speed linear actuator** for near-instantaneous autofocus changes, making it ideal for **capturing fast-moving action**.

### Sigma's Lens Performance on Sony Cameras
The Sigma lens has a maximum burst limitation of **15 frames per second** on Sony cameras, despite the body's capability for higher rates. The lens offers **smooth and confident focus pulls** for video, with some focus breathing and quick transitions between subjects. Its optical design includes **18 elements in 13 groups**, providing strong performance with **minimal fringing and chromatic aberration**, though it does have **pronounced barrel distortion** at the wide end.

### Lens Distortion and Optics Performance
The lens exhibits **pin cushion distortion** on the telephoto end and **heavy vignette** on the wide end, requiring **significant correction**. It is **extremely sharp** in the center and mid-frame, with a notable **drop-off in the corners**, which never fully catch up in sharpness. The lens performs best at **50mm**, offering **perfect sharpness across the frame**, while the Tamron lens is **slightly sharper overall**, with a growing improvement when **stopped down**.

### Sigma 28-105mm f2.8 DG DN Art Lens Review: A Versatile Option for Photographers
* 📷 Sigma has introduced the **28-105mm f2.8 DG DN Art lens**, a significant addition to the market that offers **versatility at a competitive price of $1,500**, compared to Canon's heavier and pricier **24-105mm f2.8 lens**.
* ⚖ Weighing just under 1 kg, this lens is **lighter than both Canon and Tamron alternatives**, making it a **more manageable option for photographers on the go**.
* 🔧 The lens features a range of controls, including an **aperture ring with customizable clicks**, an **AF/MF switch**, and a **zoom lock to prevent creep**, showcasing Sigma's commitment to **functionality and user experience**.
* 🌦 With thorough weather sealing and a unique **12-bladed aperture design**, it promises **durability and excellent optical performance**, although it lacks built-in image stabilization.
* 📊 In terms of optical quality, the lens boasts **18 elements in 13 groups**, showing **minimal chromatic aberration** and **impressive sharpness** at various focal lengths, particularly at **50mm where it excels**.
* 🔍 However, it does exhibit some **barrel distortion at 28mm** and **heavy vignetting**, requiring **significant correction**, which is a drawback for some users.
* 🌈 The lens produces **beautiful colors** and **excellent flare resistance**, making it suitable for various shooting conditions, though **bokeh quality can be inconsistent**.
* 📈 Overall, the Sigma 28-105mm f2.8 lens stands out for its **versatility and performance**, making it a compelling choice for photographers looking to **replace multiple lenses** with one high-quality option.

### Sigma 28-105mm Art Series Lens Review
The lens has **good rendering** and **exceptional flare resistance**, impressing in **bright sun conditions**. It offers **beautiful image colors** and **versatile focal lengths**, making it a strong contender for **wedding photography**. Priced at **$1,500**, it provides the potential to **replace multiple lenses** for photographers, offering **high magnification** and **better flare resistance**.

### Chromatic Aberration and Resolution Performance
The lens exhibits **minimal longitudinal chromatic aberration and fringing**, with very little impact on image quality. Resolution is impressive at **61 megapixels**, with sharpness and contrast **decreasing towards the edges of the frame**. Stopping down to F4 and F5.6 improves sharpness and contrast, while F11 and F22 show **noticeable softening**, suggesting avoidance of apertures **beyond F11**.

### Lens Performance Comparison: 50mm to 105mm
The lens shows consistent performance, with the corners being **good enough for real-world use but never amazing**. At 70mm and 105mm, there is a **slight improvement in center and mid-frame performance** when stopped down, but the corners remain **softer**. When comparing the Sigma and Tamron lenses at 28mm and 105mm, the Tamron offers **more consistent sharpness and better contrast**, especially at F4, making it the **winner on the longer end**.

### Optical Performance of the Lens
The lens creates a **three-dimensional effect** with its flat plane of focus and offers a **high level of magnification**, though the detail is **not as sharp as a macro lens**. The bokeh has some **hard edges and outlining** in the specular highlights, which may **not be desirable for all shots**. The lens also excels in **flare resistance**, producing a **beautiful sunburst effect** and maintaining **good image quality** even when zoomed in.

Sigma 28-105mm F2.8 DN ART Review  | The Ultimate Zoom?

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