This independent review site earns affiliate commission (at no cost to you) when provided links are used to make any purchase
Canon RF 50mm F1.8 STM Lens Compared to the Canon EF 50mm f/1.8 STM Lens
| Specifications | Canon RF 50mm F1.8 STM Lens | Canon EF 50mm f/1.8 STM Lens |
|---|---|---|
 |
 |
|
| Year Introduced | 2020 | 2015 |
| Mounts On | Full-Frame, APS-C | Full-Frame, APS-C |
| Lenses / Groups | 6/5 | 6/5 |
| Angle of View: Diagonal | 46° | 46º |
| Angle of View: Horizontal | 40°00' | 40º |
| Angle of View: Vertical | 27°30' | 27º |
| Aperture | ||
| Aperture Range - Wide / Long | f/1.8-22 | f/1.8-22 |
| Number of Aperture Blades | 7 | 7 |
| Rounded Aperture? | Y | Y |
| Weight | ||
| Manufacturer Specification Weight | 5.6 oz (160g) | 5.6 oz (159g) |
| Actual Weight | 5.6 oz (160g) | 5.6 oz (159g) |
| Lens Hood Weight | 0.7 oz (20g) | |
| In-Use Weight | 6.3 oz (179g) | |
| Size | ||
| Manufacturer Spec Size (DxL) | 2.72 x 1.59” (69.2 x 40.5mm) | 2.72 x 1.55” (69.2 x 39.3mm) |
| Measured Size (DxL) | 2.75 x 1.85” (70 x 46.9mm) | 2.77 x 1.83” (70.3 x 46.4mm) |
| Max Length at Full Extension | 2.37” (60.3mm) | 2.28” (58mm) |
| Internal Focusing? / Extends with Focusing? | / Y | N / Y |
| Focus Extension Length | 0.53” (13.4mm) | 0.46” (11.6mm) |
| Lens Hood Size (DxL) | 3.3 x 1.43” (83.9 x 36.2mm) | |
| Lens Length with Hood (Min-Max) | 3.03 - 3.48” (76.9 - 88.5mm) | |
| Size of Rings: Focus / Zoom | 0.31” (7.9mm) | 0.28” (7.1mm) |
| Filter Size | 43mm UV ► CP ► | 49mm UV ► CP ► |
| Front Element (Filter Mount) Rotates | N | N |
| Focus | ||
| AF Motor Type | STM | STM |
| Full Time Manual Focus | Y | |
| Focus Ring Rotation | 360° | 156° |
| Focus Limiter? / Focus Limiter Ranges | N | N |
| Distance Scale? / Type | N | N |
| Close Focus | ||
| Spec Min Focus Distance (Wide / Long) | 11.81” (300mm) | 13.78” / 13.15” (350mm / 334mm) |
| Tested Min Focus Distance (Wide / Long) | 11.46” (291mm) | |
| Maximum Magnification | 0.25x | 0.21x |
| Magnification Range with 12mm Ext Tube | 0.45-0.24x | |
| Magnification Range with 25mm Ext Tube | 0.74-0.53x | |
| Features | ||
| Tripod Ring Included? / Removable? | N | N |
| Lens Hood Included / Model? | N / ES-65B Buy ► | N / ES-68 Buy ► |
| Weather Sealed? / Filter Required? | N | N |
| Image Stabilization? / Stops? / Tripod Sensing? | N | N |
| Extender Compatible? | N | N |
| Case Included? / Type? | N / LP1014 Buy ► | N / LP1014 Buy ► |
| 47.25" x 31.5" Subject Framing Distance | 50mm = 5.70' | 50mm = 5.87' |
| 1200mm x 800mm Subject Framing Distance | 50mm = 1737mm | 50mm = 1790mm |
| Review | Canon RF 50mm F1.8 STM Lens | Canon EF 50mm f/1.8 STM Lens |
Buy ► 
|
Buy ►
| |
| Rent ► | Rent ► | |
Recommended Retailers
- B&H Photo(strongly recommended)
- Adorama
- Amazon.com
- Canon USA
- Canon USA (refurbished)
Wex Photographic
Camera Canada- Check the used inventory at
B&H | KEH | Adorama | MPB
Rent it Here
Can you help right now?
Please share this page!
