Canon Ef-s 15-85mm Vs Sigma 17-70mm

The Canon EF-S 15-85mm and Sigma 17-70mm are two popular lenses among photographers who own APS-C Canon cameras. Both lenses offer a versatile focal length range that is suitable for a wide range of photography genres, from landscapes to portraits to wildlife. However, there are some key differences between the two lenses that you should consider before making a purchase.

In this blog post, we will compare the Canon EF-S 15-85mm and Sigma 17-70mm lenses in terms of their image quality, build quality, autofocus performance, and price. We will also provide our recommendation for which lens is the better choice for different types of photographers.

Image Quality

The Canon EF-S 15-85mm and Sigma 17-70mm lenses both produce excellent image quality. However, there are some subtle differences between the two lenses.

The Canon EF-S 15-85mm lens is known for its sharp images, even at the edges of the frame. It also has good color reproduction and contrast. The Sigma 17-70mm lens also produces sharp images, but it may not be quite as sharp as the Canon lens at the edges of the frame. However, the Sigma lens has a slight advantage in terms of color reproduction and contrast.

Overall, the image quality of both lenses is very good. However, the Canon EF-S 15-85mm lens has a slight edge in terms of sharpness, while the Sigma 17-70mm lens has a slight advantage in terms of color reproduction and contrast.

Build Quality

The Canon EF-S 15-85mm and Sigma 17-70mm lenses are both well-built lenses. However, the Canon lens has a slight edge in terms of build quality.

The Canon EF-S 15-85mm lens is made of a combination of metal and plastic. The metal parts of the lens are very sturdy and give the lens a solid feel. The plastic parts of the lens are also of high quality and feel durable.

The Sigma 17-70mm lens is also made of a combination of metal and plastic. However, the plastic parts of the Sigma lens feel a bit cheaper than the plastic parts of the Canon lens. The Sigma lens also has a few more moving parts than the Canon lens, which could potentially make it more prone to breakage.

Overall, both lenses are well-built. However, the Canon EF-S 15-85mm lens has a slight edge in terms of build quality.

Autofocus Performance

The Canon EF-S 15-85mm and Sigma 17-70mm lenses both have fast and accurate autofocus systems. However, the Canon lens has a slight edge in terms of autofocus performance.

The Canon EF-S 15-85mm lens uses a ring-type ultrasonic motor (USM) for autofocus. This type of motor is very fast and accurate, even in low-light conditions. The Sigma 17-70mm lens also uses a USM motor for autofocus, but it is not as fast or accurate as the motor in the Canon lens.

Overall, both lenses have good autofocus performance. However, the Canon EF-S 15-85mm lens has a slight edge in terms of autofocus speed and accuracy.

Price

The Canon EF-S 15-85mm lens is typically priced around $500, while the Sigma 17-70mm lens is typically priced around $400. This makes the Sigma lens a more affordable option for budget-minded photographers.

Which Lens is Right for You?

The Canon EF-S 15-85mm and Sigma 17-70mm lenses are both good choices for APS-C Canon camera owners. However, the Canon lens has a slight edge in terms of image quality, build quality, and autofocus performance. The Sigma lens is a more affordable option, but it may not be as good of a performer as the Canon lens.

Ultimately, the best lens for you will depend on your individual needs and budget. If you are looking for the best possible image quality and performance, the Canon EF-S 15-85mm lens is the better choice. If you are on a budget, the Sigma 17-70mm lens is a good option that still offers good image quality and performance.

Other Factors to Consider

In addition to the factors discussed above, there are a few other things you may want to consider before making a purchase.

• Focal length: The Canon EF-S 15-85mm lens has a slightly wider focal length range than the Sigma 17-70mm lens. This makes the Canon lens a better choice for wide-angle photography, such as landscapes and architecture.
• Aperture: The Canon EF-S 15-85mm lens has a maximum aperture of f/3.5-5.6, while the Sigma 17-70mm lens has a maximum aperture of f/2.8-4.0. This means that the Sigma lens can let in more light, which makes it a better choice for low-light photography, such as indoor sports and night photography.
• Weight: The Canon EF-S 15-85mm lens weighs 1.04 pounds, while the Sigma 17-70mm lens weighs 1.3 pounds. This makes the Canon lens a more portable option, which is important if you plan on carrying your camera around with you for long periods of time.

Key Points: Making the Right Choice for Your Photography Needs

The Canon EF-S 15-85mm and Sigma 17-70mm lenses are both good choices for APS-C Canon camera owners. However, the Canon lens has a slight edge in terms of image quality, build quality, and autofocus performance. The Sigma lens is a more affordable option, but it may not be as good of a performer as the Canon lens.

Ultimately, the best lens for you will depend on your individual needs and budget. If you are looking for the best possible image quality and performance, the Canon EF-S 15-85mm lens is the better choice. If you are on a budget, the Sigma 17-70mm lens is a good option that still offers good image quality and performance.

Information You Need to Know

• Which lens is sharper, the Canon EF-S 15-85mm or the Sigma 17-70mm?

The Canon EF-S 15-85mm lens is generally sharper than the Sigma 17-70mm lens, especially at the edges of the frame.

• Which lens has better build quality, the Canon EF-S 15-85mm or the Sigma 17-70mm?

The Canon EF-S 15-85mm lens has better build quality than the Sigma 17-70mm lens. The Canon lens is made of a combination of metal and plastic, while the Sigma lens is made of a combination of metal and cheaper-feeling plastic.

• Which lens has faster autofocus, the Canon EF-S 15-85mm or the Sigma 17-70mm?

The Canon EF-S 15-85mm lens has faster autofocus than the Sigma 17-70mm lens. The Canon lens uses a ring-type USM motor for autofocus, while the Sigma lens uses a slower and less accurate USM motor.