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Rent NowCanon RF 50mm f/1.8 STM Lens
Ultimate “Nifty Fifty” Mirrorless Prime Compact Walkaround Design, Bright f/1.8 Aperture & Custom Control Ring
The Canon RF 50mm f/1.8 STM is an ultra-compact, featherweight normal-length prime lens designed natively for Canon’s full-frame RF-mount mirrorless digital cameras. Serving as the essential “nifty fifty” anchor for any mirrorless gear bag, this sleek lens delivers a natural, highly versatile field of view that closely mirrors human vision. It is the quintessential choice for everyday walkaround photography, spontaneous street snapshots, travel documentation, and environmental portraits, slipping effortlessly into a jacket pocket or small sling bag.
To deliver beautiful subject separation and reliable low-light utility, the lens features a bright f/1.8 maximum aperture. This fast opening grants creators immense control over depth of field for dissolving busy backgrounds while sustaining fast shutter speeds in dimly lit indoor environments. The optical core integrates a precision-molded aspherical lens element to combat field distortion alongside a specialized Super Spectra element coating to preserve image contrast. Driven by an agile, near-silent STM stepping motor and equipped with a customizable hardware Control Ring, this miniature prime handles hybrid photo and video workflows with modern tactical precision.
Key Features & Optical Engineering
Natural Normal-Length Perspective: Formulated specifically for full-frame Canon RF-mount mirrorless systems to deliver a standard 50mm field of view, providing a balanced, distortion-free perspective ideal for diverse day-to-day shooting assignments.
Bright f/1.8 Low-Light Architecture: Features a wide f/1.8 maximum opening, providing excellent light-gathering capabilities to pull clean exposures from available ambient light while enabling dramatic selective focus techniques.
Precision-Molded (PMo) Aspherical Element: Incorporates one custom-shaped aspherical glass element strategically positioned to suppress spherical aberrations, field curvature, and geometric distortions for uniform edge-to-edge frame sharpness.
Super Spectra Anti-Reflective Coating: Applied to individual internal elements to minimize surface reflections, lens flare, and ghosting artifacts, maintaining strict color neutrality and rich image contrast when framing near intense light sources.
Gear-Driven STM Stepping Motor: Outfitted with a rapid STM autofocus motor that provides fluid, accurate, and impressively quiet focus transitions—making it an ideal choice for smooth focus pulling during video recording and instant lock-on response during still capture.
Configurable Lens Control Ring: Features a dual-purpose physical ring on the lens barrel that can be mapped within the camera menu to adjust exposure settings on the fly, including direct tactile control over ISO sensitivity, lens aperture, or exposure compensation.
Rounded 7-Blade Diaphragm: Incorporates a seven-blade circular aperture mechanism to produce a smooth, soft out-of-focus background quality and circular bokeh highlights when operating at wide openings.
Full-Time Manual Focus Override: Offers complete mechanical manual focus override at any moment, allowing shooters to make critical micro-adjustments instantly without needing to dive into camera menu settings.
Technical Specifications
Lens Classification: Compact Normal-Length Mirrorless Prime
Lens Mount Type: Canon RF Mount Native
Focal Length: 50mm
Maximum Aperture: f/1.8
Minimum Aperture: f/22
Autofocus Motor Type: STM Stepping Motor with Full-Time Manual Override
Diaphragm Design: 7-Blade Rounded Iris Matrix
Minimum Focus Distance: 11.8 inches / 30 cm
Maximum Magnification: 0.25x
Filter Thread Interface: 43 mm
Dimensions (Diameter x Length): Approx. 2.7 x 1.6 inches / 69.2 x 40.5 mm
Weight: Approx. 5.6 oz / 160 g
