The Canon EF 100mm f/2.8 Macro USM is a highly regarded lens among photographers, particularly those who are keen on macro photography. With its dedicated macro capabilities, this lens provides an impressive 1:1 magnification ratio, allowing you to capture sharp details of small subjects that might go unnoticed with a standard lens.
The build quality of the Canon EF 100mm f/2.8 Macro USM is solid and robust, typical of Canon's L-series lenses, though it is not classified as an L lens. It features a well-constructed body with a comfortable grip and a smooth focusing ring. The lens also has a non-rotating front element, which is beneficial when using polarizing filters or lens hoods. Weighing in at approximately 500 grams, it strikes a good balance between being substantial enough for durability and light enough for extended handheld shooting.
Optically, this lens is outstanding. It produces incredibly sharp images, even at its widest aperture of f/2.8. The lens's automatic focus system is fast and quiet, thanks to the Ultrasonic Motor (USM). Additionally, image quality remains exceptional even in challenging lighting situations. Contrast and color rendition are impressive, resulting in vibrant and lifelike images.
As a macro lens, the 100mm f/2.8 stands out with its remarkable ability to focus closely, allowing you to get as close as 30.9 cm to your subject. This feature makes it excellent for capturing minute details in flowers, insects, and other small objects. The level of detail produced is truly remarkable, with minimal distortion and pleasing bokeh.
While designed primarily for macro photography, this lens is also quite versatile. The 100mm focal length makes it suitable for portrait photography as well, providing flattering images with a nice background blur. Moreover, it performs admirably in general photography conditions, so whether you're photographing landscapes or street scenes, the Canon EF 100mm f/2.8 Macro USM holds its own.
Overall, the Canon EF 100mm f/2.8 Macro USM is a highly effective and versatile lens that excels in macro photography while also serving well for portraits and general photography. Its optical performance and solid build quality make it a worthy investment for enthusiasts and professionals alike. However, the lack of image stabilization may be a drawback for some, especially when working in low-light situations or at lower shutter speeds. If you're looking to elevate your macro photography or seeking a reliable portrait lens, this Canon macro lens should be high on your list.