The Fujifilm XF 100-400mm f/4.5-5.6 R LM OIS WR Lens is a versatile and powerful telephoto zoom lens designed for Fujifilm X-series mirrorless cameras. With a focal length range of 100-400mm (equivalent to 152-609mm in 35mm format), it's ideal for capturing distant subjects like wildlife, sports, and landscapes.   

Here are some of the key features of this lens:

High-quality optics: The lens features 21 elements in 14 groups, including five ED lenses and one Super ED lens, to minimize chromatic aberration and deliver sharp, clear images.   

Fast and quiet autofocus: Twin linear motors provide quick and accurate autofocus, even in low-light conditions.   

5-stop optical image stabilization: The lens's OIS system helps to reduce camera shake, making it easier to capture sharp handheld shots at slower shutter speeds.   

Weather-resistant construction: The lens is sealed against dust and moisture, making it suitable for use in harsh environments.   

Removable tripod collar: The included tripod collar allows for easy mounting on a tripod for stable shooting.   

Zoom lock switch: This switch helps to prevent accidental zoom creep during transportation or storage.