Canon EF 17-40mm f/4L USM - Review

Canon EF 17-40mm f/4L USM Ultra Wide Angle Zoom Lens for SLR Cameras - A Must-Have for Your Kit

If you are looking for a reliable ultra wide angle zoom lens for your Canon SLR camera, the Canon EF 17-40mm f/4L USM could be your perfect match. In this product review, we will discuss how this lens performs in different scenarios, its technical specifications, and why it has received such high ratings from customers.

At first glance, the Canon EF 17-40mm f/4L USM is a highly versatile lens that is suitable for multiple photography styles. Its focal range of 17 to 40 millimeters means that it can capture wide landscapes, tall buildings, and even close-up portraits with equal ease. Its f/4 maximum aperture may not be the widest, but it is sufficient for most lighting conditions and can produce excellent bokeh with the help of its seven-blade diaphragm.

But what truly sets the Canon EF 17-40mm f/4L USM apart from other ultra wide angle zoom lenses is its superior optics. With three aspherical lens elements and a super UD glass element, this lens can minimize distortions, curvature, and chromatic aberrations while delivering sharp details and vivid colors. Whether you are shooting under bright sunlight or low light, indoors or outdoors, this lens can deliver consistent results.

The Canon EF 17-40mm f/4L USM also features a powerful ring type ultrasonic monitor (USM) that can provide fast and silent autofocusing. You can switch between automatic and manual focusing at any time by simply turning its smooth and responsive focusing ring. This lens can focus as close as 11 inches, which is a bonus for capturing macro shots or details.

Moreover, the Canon EF 17-40mm f/4L USM is built to withstand tough conditions. It is weather resistant, which means it can resist moisture, dust, and sand. This makes it an ideal lens for outdoor photography, such as landscape, travel, and wildlife. Its compact and lightweight design also makes it easy to carry around and attach to your camera.

In terms of compatibility, the Canon EF 17-40mm f/4L USM is designed to fit Canon SLR cameras, including both full-frame and APS-C models. You can also use it with EF mount film cameras or adapted to mirrorless cameras with the appropriate adapter. Some users have reported that this lens may show some vignetting or barrel distortion at the wide end, but these can be corrected in post-processing or with the use of filters.

Now, let's take a look at what customers have to say about the Canon EF 17-40mm f/4L USM. With an average rating of 4.7 out of 5 stars and over 900 reviews, it is clear that this lens is a crowd pleaser. Many customers praise its sharpness, color rendition, and ease of use. One customer writes, "This lens is a must-have for landscape photographers. Its sharpness is simply amazing, and the colors pop out of the frame. The build quality is top-notch, and the focusing is fast and reliable."

Another customer comments, "I have used this lens for weddings and events, and it has never let me down. The autofocus is silent and accurate, and the images are tack sharp from edge to edge. The weather sealing is a bonus, as I don't have to worry about changing lenses in the rain or dust."

A few customers have expressed some concerns about the price of the lens, especially compared to other ultra wide angle zoom lenses on the market. However, they argue that the Canon EF 17-40mm f/4L USM offers superior optics and durability that justify the investment. Some customers have also taken advantage of Canon's promotion that offers 13 months of free damage protection when registering the product within 30 days of purchase.

In conclusion, the Canon EF 17-40mm f/4L USM is a highly recommended lens for any SLR photographer who wants to expand their creativity and capture stunning images. Its combination of versatile range, superior optics, fast and silent autofocus, and weather resistance make it a valuable addition to any camera kit. Its high ratings and positive customer reviews speak volumes about its performance and reliability. If you are considering investing in an ultra wide angle zoom lens, the Canon EF 17-40mm f/4L USM could be your best choice yet.

Canon EF 17-40mm f/4L USM

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