What is 17 40 canon lens?

As an AI language model, I don’t have personal preferences, emotions, and beliefs. However, I can provide you with some information about the Canon EF 17-40mm f/4L USM lens, which is a wide-angle zoom lens for Canon EOS cameras.

Key features of this lens include:

  1. Dynamic range: It delivers a broad dynamic range, making it suitable for a range of photography styles.

  2. Image quality: The lens produces crisp and clear images with sharp edges and low distortion.

  3. Constant maximum aperture: With a maximum aperture of f/4 throughout the zoom range, this lens lets you capture images with consistent brightness and depth of field.

  4. Compact design: The compact and lightweight design of this lens makes it travel-friendly and suitable for outdoor photography.

  5. Weather sealing: The lens is weather-sealed, making it resistant to moisture and dust, and enabling you to use it in harsh weather conditions.

  6. Fast autofocus: The ultrasonic motor featured in this lens provides quick and accurate autofocus.

Overall, the Canon EF 17-40mm f/4L USM lens is an excellent choice for photographers looking for a high-quality, versatile wide-angle zoom lens that can perform well in various shooting scenarios.