Fujifilm Fujinon XF 100-400mm f/4.5-5.6 R LM OIS WR Telephoto Zoom Lens & Teleconverter XF 1.4X TC WR Lens XF100-400mm Lens: Focal Length: 152-609mm (35mm Equivalent) / Aperture Range: f/4.5-5.6 to f/22 XF100-400mm Lens: X-Mount Lens/APS-C Format / Optical Image Stabilization XF 1.4x Teleconverter: X Series Compatibility / Multiplies focal length by 1.4x XF 1.4x Teleconverter: Weather-Resistant Design / High Grade Metal construction Bundle Includes: Fujifilm XF 100-400mm f/4.5-5.6 R LM OIS WR Lens / Fujifilm TC WR XF 1.4x Teleconverter