The RF 50mm F1.8 STM is a compact RF prime lens with a fast f/1.8 aperture capable of high quality images. The lens is small, light and quiet thanks to a redesign of optics for its RF mount and STM motor and ideal for exploring your creativity.
Wide aperture creativity
Create artistic and impactful images at lower ISO thanks to a wide f/1.8 aperture that achieves sharp focus on a subject yet delivers a beautiful blurred background.
Sharp, quiet focusing
The STM (Stepping Motor) technology focuses very smoothly and in near-silence, ideal for stills and video. Super Spectra Coating on the lens elements ensure quality.
Compact and lightweight
At 160g and 40.5mm, it is a highly compact and lightweight partner for your day-to-day shooting with EOS R-series cameras, with no adapter required.
Very discreet with a combined focusing and control ring for intuitive control, the lens has a 7-blade circular aperture for superb bokeh and focuses to 0.3m.
Creativity at lower cost
The RF 50mm F1.8 STM offers an affordable way to explore greater creativity, and is a great choice for ambient light portraits with a natural, flattering perspective.
|Image size||Full Frame|
|35mm film equivalent focal length (mm)||50mm|
|Angle of view (horzntl, vertl, diagnl)||40°00′, 27°30′, 46°00′|
|Lens construction (elements/groups)||6/5|
|No. of diaphragm blades||7|
|Closest focussing distance (m)||0.30|
|Maximum magnification (x)||0.25|
|Filter diameter (mm)||43|
|Max. diameter x length (mm)||69.2 x 40.5|