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Rent NowCanon RF 50mm f/1.8 STM Lens
The Canon RF 50mm f/1.8 STM is a remarkably compact, lightweight, and versatile normal-length prime lens designed natively for Canon’s full-frame RF-mount mirrorless digital cameras. Reimagining the classic “nifty fifty” for the mirrorless era, this sleek lens delivers a natural field of view that closely mimics the human eye. Combining a bright f/1.8 maximum aperture with advanced aspherical optics, a quiet stepping focus motor, and a customizable lens control ring, it stands as the quintessential everyday walkaround lens for everything from low-light street snapshots to beautiful, shallow-depth-of-field portraiture.
Compact Everyday Optics & Low-Light Performance
Classic Normal Field of View: Provides a highly versatile 50mm perspective that feels organic and distortion-free, making it perfect for daily documentation, travel, and environmental portraits.
Bright f/1.8 Maximum Aperture: Exceptionally well-suited for working in difficult or dim lighting conditions, allowing you to capture crisp ambient images without a tripod. The wide aperture also offers immense creative control over depth of field, making it easy to isolate your subject.
Precision-Molded (PMo) Aspherical Element: The optical configuration incorporates one PMo aspherical lens element to aggressively suppress spherical aberrations and geometric distortions, ensuring high edge-to-edge sharpness and accurate rendering.
Super Spectra Coating: Individual lens elements feature multi-layered Super Spectra coatings to minimize internal surface reflections, ghosting, and lens flare. This preservation of contrast guarantees color-neutral, punchy images even when shooting in harsh, direct backlighting.
Rounded 7-Blade Diaphragm: Built with a circular seven-blade iris configuration that yields a smooth, pleasing out-of-focus background blur (bokeh) with natural-looking circular highlights.
Optimized STM Autofocus & Customizable Control Ring
Whisper-Quiet STM Stepping Motor: Features Canon’s gear-driven STM stepping technology, delivering fast, smooth, and near-silent autofocus tracking. Its fluid focus transitions make it an exceptional option for video recording as well as quick-paced still photography.
Full-Time Manual Focus Override: Offers instantaneous creative adjustment with a focus ring that supports full-time manual override, letting you fine-tune focus manually at any time without diving into camera menus to turn off autofocus.
Configurable Lens Control Ring: Outfitted with Canon’s signature programmable Control Ring on the lens barrel. This ring can be configured to adjust a variety of exposure variables directly from the lens itself—including aperture values, ISO sensitivity, shutter speed, or exposure compensation—for fast, tactile handling while keeping your eye on the viewfinder.
Technical Specifications
Focal Length: 50mm
Maximum Aperture: f/1.8
Lens Mount Type: Canon RF Mount (Full-Frame Native)
Filter Thread Diameter: 43mm
Minimum Focus Distance: 11.8″ / 30 cm
Maximum Magnification Ratio: 0.25x
Lens Optical Formula: 6 Elements in 5 Groups (1 PMo Aspherical Element)
Autofocus Motor: STM Stepping Motor
Diaphragm Blades: 7 Rounded Blades
Weight: Approx. 5.6 oz (160 grams)
