Canon RF 16-28mm F2.8 IS STM: The ultra-wide lightweight champion for epic Engadine panoramas! Imagine balancing on a narrow path high in the Engadine Valley, with a zoom lens ticking away in your pocket that's so feather-light (only 445 grams!) it won't slow you down – yet optically captures the mountains in breathtaking expanse. The Canon RF 16-28mm f/2.8 IS STM is the clever ultra-wide-angle partner for full-frame EOS R cameras, retracting like a clever trick and remaining super-compact (91mm long when retracted). With a focal length of 16-28mm, you can capture dramatic landscapes along the Segantini Trail or tight interiors in St. Moritz – all with a constant f/2.8 aperture for low-light magic and smooth bokeh that makes your subjects stand out without losing the rest of the scene. The integrated image stabilizer (up to 5.5 stops alone, 8 with IBIS) keeps everything steady, even on windy summit hikes, while the STM motor focuses whisper-quietly and precisely – with focus breathing correction for videos that look textbook perfect. Close-ups from 25 cm? No problem, with up to 0.26x magnification for details like moss on rock faces. The optics, with 4 UD and 2 aspherical elements plus Super Spectra Coating, ensure sharp images from edge to edge, and the weather sealing (dust and moisture protection) makes it a tough companion for rainy days in the Engadine. Whether landscapes, architecture, or vlogs – this lens is the clever all-rounder that packs more breadth into your bag than you ever dreamed possible. Get the Ultra Boost and let the Alps breathe! Technical Highlights: Focal Length: 16-28 mm (Full-Frame) Aperture: f/2.8 constant (min. f/22) Optics: 16 elements in 13 groups (4 UD, 2 aspherical, Super Spectra Coating) Stabilizer: Optical IS (5.5 stops, up to 8 with IBIS) Autofocus: STM (fast, quiet, focus-breathing correction) Minimum Focusing Distance: 0.25 m (AF)/0.26 m (MF) Filter Thread: 67 mm Dimensions Weight: 76.5 x 91 mm (retracted), 445 g Weather Sealing: Yes (Dust and moisture resistant) Warranty: 2 years Our service at Optik Foto Rutz: In addition to the Canon RF 16-28mm f/2.8 IS STM, we offer expert advice on cameras, drones, thermal imaging devices, and accessories to optimize your photography and observation experiences in the Engadine and worldwide. Discover our range of memory cards, camera bags and other accessories in our store in St. Moritz or order conveniently online!