Yongnuo YN50mm F1.8 Canon
Score: 70/100
Canon RF 50mm f/1.8
Score: 73/100Rankings
The Canon RF 50mm F1.8 STM is a pocket-sized, affordable standard prime delivering sharp central performance and a bright aperture for low-light work. While it lacks weather sealing and shows some corner softness and vignetting, its quiet STM motor and control ring make it ideal for beginners and vloggers.
The Yongnuo YN50mm f/1.8 for Canon EF is an affordable, lightweight prime offering a fast aperture and decent optics. It excels in portability and price-to-performance but lacks weather sealing and has a noisy autofocus motor.
| Attribute | | |
|---|---|---|
| ↓ lower better | 50 mmbest | 50 mmbest |
50 mmbest | 50 mmbest | |
| ↓ lower better | 1.8 fbest | 1.8 fbest |
| ↓ lower better | 119 gbest | 159 g |
| ↓ lower better | 83 mm | 40.5 mmbest |
| ↓ lower better | 45 cm | 30 cmbest |
0.15 x | 0.25 xbest | |
12 monthsbest | 12 monthsbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Mount & Compatibility(2) | ||
Mount Type | Canon EF | Canon RF |
Autofocus Motor Type | DC motor | STM |
Optical(3) | ||
Minimum Focus Distance (cm) | 45 cm | 30 cm |
Maximum Magnification Ratio (x) | 0.15 x | 0.25 x |
Coating Type | Multi-coated | Super Spectra Coating |
Physical(3) | ||
Weight (g) | 119 g | 159 g |
Length (mm) | 83 mm | 40.5 mm |
Filter Thread Diameter (mm) | 52 mm | 43 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers praise the Yongnuo 50mm f/1.8 for its fast aperture, solid bokeh, and surprisingly good autofocus on mirrorless mounts, noting minor distortion and the absence of weather sealing.
Everyday users highlight sharpness and value, calling it a perfect entry-level prime, with complaints about loud AF and plastic build.
“The autofocus doesn't get quite as sharp as the original Canon… and the motor is very loud.”
“For portraits, the image quality is pretty great… but for video, I would highly recommend against it.”
“Super sharp and fast lens”
Professional reviewers agree the RF 50mm F1.8 STM fills a critical gap in Canon's mirrorless lineup, offering a bargain-priced, sharp, and compact standard prime, though it suffers from corner softness, vignetting, and modest bokeh.
Everyday users rate the lens highly, praising its sharpness, low-light capability, tiny size and quiet AF, while noting AF noise, soft corners at wide apertures, and a plasticky feel.
