The Canon EF 135mm f/2L USM is a highly regarded telephoto prime lens designed for Canon’s full-frame and APS-C DSLR cameras. As part of Canon’s prestigious L-series, this lens is known for its excellent build quality and exceptional optical performance, making it a favorite among portrait, sports, and event photographers.

Key Features:

• Fast f/2 Maximum Aperture: The wide aperture allows for impressive subject isolation with beautiful background blur (bokeh) and excellent low-light performance, making it ideal for indoor sports or portrait photography.
• USM Autofocus: The lens is equipped with Canon’s Ultra-Sonic Motor (USM), offering fast, accurate, and near-silent autofocus, which is especially useful for capturing fast-moving subjects or candid moments.
• Exceptional Sharpness and Optical Quality: Thanks to the high-quality glass elements, the lens delivers excellent sharpness, contrast, and color rendition, even wide open at f/2.
• Superior Build Quality: As an L-series lens, it features robust construction, weather sealing, and durability, ensuring reliability in demanding shooting conditions.
• Lightweight and Portable: Weighing around 750g, the lens is relatively lightweight for a telephoto prime, making it a practical option for handheld shooting during extended sessions.

Applications:

1. Portraiture: The 135mm focal length combined with the fast aperture creates stunning subject separation and creamy bokeh, making it perfect for headshots and full-body portraits.
2. Sports and Action: Its fast autofocus and sharpness allow photographers to capture quick movements with precision, making it a solid choice for indoor sports or low-light action shots.
3. Event Photography: The combination of focal length and aperture allows photographers to work at a distance while maintaining great subject focus and isolation, which is ideal for candid shots during events or concerts.

The Canon EF 135mm f/2L USM is a powerful tool for those looking for a high-quality telephoto prime lens that excels in portrait and action photography, offering superb optical performance, fast autofocus, and professional-grade build quality.