Canon Ef-s 10-18mm Vs Sigma 10-20mm

The Canon EF-S 10-18mm and Sigma 10-20mm lenses are two highly regarded wide-angle lenses designed for APS-C DSLR cameras. Both lenses offer impressive focal lengths, making them ideal for capturing expansive landscapes, architecture, and indoor shots. However, they also have their own unique strengths and weaknesses. This comprehensive comparison will delve into the key differences between the Canon EF-S 10-18mm and Sigma 10-20mm lenses, helping you make an informed decision based on your specific photography needs.

Image Quality

Sharpness: Both lenses produce sharp images throughout the entire focal range. However, the Canon EF-S 10-18mm lens has a slight edge in terms of sharpness, especially at the edges of the frame.

Contrast: The Sigma 10-20mm lens offers higher contrast levels, resulting in more vibrant and punchy images.

Bokeh: Neither lens excels in bokeh performance, as they are both wide-angle lenses. However, the Sigma 10-20mm lens has a slightly creamier bokeh compared to the Canon EF-S 10-18mm lens.

Focal Length

The Canon EF-S 10-18mm lens has a focal length range of 10-18mm, while the Sigma 10-20mm lens offers a slightly wider range of 10-20mm. This difference is not significant for most shooting situations, but the Sigma 10-20mm lens may provide a slight advantage in capturing even wider scenes.

Build Quality

Weight: The Canon EF-S 10-18mm lens weighs 240 grams, while the Sigma 10-20mm lens is slightly heavier at 365 grams.

Materials: The Canon EF-S 10-18mm lens is constructed with a combination of plastic and metal, while the Sigma 10-20mm lens features a more robust all-metal construction.

Durability: Both lenses are well-built and can withstand the rigors of everyday use. However, the Sigma 10-20mm lens has a slight edge in durability due to its all-metal construction.

Autofocus

Speed: Both lenses feature fast and accurate autofocus systems. However, the Sigma 10-20mm lens has a slight advantage in low-light conditions due to its larger maximum aperture.

Noise: The autofocus motors of both lenses are relatively quiet, but the Canon EF-S 10-18mm lens is slightly quieter than the Sigma 10-20mm lens.

Price

The Canon EF-S 10-18mm lens is typically priced around $299, while the Sigma 10-20mm lens is priced around $449. The Sigma 10-20mm lens offers a slightly wider focal length and a more robust build quality, but it also comes at a higher price point.

Which Lens Is Right for You?

The choice between the Canon EF-S 10-18mm and Sigma 10-20mm lenses depends on your specific photography needs and budget.

Canon EF-S 10-18mm:

• Sharper images
• Lighter weight
• Lower price
• Ideal for photographers who prioritize sharpness and value

Sigma 10-20mm:

• Slightly wider focal length
• More robust build quality
• Higher contrast levels
• Ideal for photographers who require a wider field of view and durability

Key Points: Making the Right Choice

Both the Canon EF-S 10-18mm and Sigma 10-20mm lenses are excellent wide-angle options for APS-C DSLR cameras. The Canon EF-S 10-18mm lens offers a sharper image with a lighter weight and lower price point, while the Sigma 10-20mm lens provides a wider focal length, more robust build quality, and higher contrast. By carefully considering your photography needs and budget, you can make an informed decision and choose the lens that best meets your requirements.

Popular Questions

Q: Which lens is better for low-light photography?
A: The Sigma 10-20mm lens has a slightly larger maximum aperture (f/3.5) compared to the Canon EF-S 10-18mm lens (f/4.5), making it better suited for low-light conditions.

Q: Does either lens have image stabilization?
A: No, neither the Canon EF-S 10-18mm nor the Sigma 10-20mm lens features image stabilization.

Q: Are these lenses compatible with full-frame cameras?
A: No, both lenses are specifically designed for APS-C DSLR cameras and will not fit or function properly on full-frame cameras.