If you're looking for a high-quality telephoto lens, the Sigma 300mm F2.8 APO EX DG HSM is a strong contender, particularly for Canon EF mount users. This lens is designed for serious photographers who demand performance, sharpness, and versatility. With its bright f/2.8 maximum aperture, it excels in low-light situations and allows for beautiful background blur, making it ideal for wildlife, sports, and portrait photography.
The build quality of the Sigma 300mm F2.8 is exceptional. It features a robust metal construction that feels solid and durable. The lens is relatively large and heavy, which is common for lenses with this focal length and aperture. The included lens hood adds a layer of protection and shields from unwanted flare, enhancing contrast in images. Additionally, the Hyper Sonic Motor (HSM) ensures fast and quiet autofocus, which is a major plus for candid shots and wildlife photography.
One of the standout features of this lens is its impressive sharpness across the frame, even at wide open apertures. The optical design minimizes chromatic aberrations and other optical imperfections, producing images with excellent color rendition and contrast. Photographers will appreciate its versatility in various shooting conditions, whether it's under bright sunlight or in darker environments.
However, there are a few downsides worth noting. The weight and size of this lens can be quite cumbersome, especially for handheld use. While the lens does have a tripod collar for improved stability, using it without a support system for extended periods can lead to fatigue. Furthermore, while it does have a weather-sealed design, the lens's bulk means careful handling is still necessary in adverse conditions.
Overall, the Sigma 300mm F2.8 APO EX DG HSM is an outstanding lens for Canon EF mount users who are serious about their photography. Its combination of sharpness, build quality, and performance make it a worthy investment for those who need a fast telephoto lens. While it may not be the most portable option available, the results it delivers can make all the difference in capturing stunning images in a variety of situations. If you can manage its weight, the benefits far outweigh the drawbacks, making it a top choice for professional and advanced amateur photographers alike.