Looking to find more information regarding the Canon EF 50mm f/1.8 STM? Read our latest review to learn more about the Canon EF 50mm f/1.8 STM, its specifications, and if it’s a good camera lens for you.
Canon EF 50mm f/1.8 STM Specifications
The Canon EF 50mm f/1.8 STM was first announced on 11/05/2015 with a Canon EF mount type. Below is a summary of this lenses specifications:
Indicative Price: $125
Focal Range: 50
Aperture: F/ 1.8
Filter Diameter (millimeters): 49
Maximum Diameter (millimeters): 69
Number Of Lenses: 6
Length (millimeters): 39.3
AF Motor: STM
Stabilization: None
Zoom Type: N/A
Tripod Mount: None
Colors Available: Black
Manual Focus: Yes
Weight (grams): 159
How Does Canon EF 50mm f/1.8 STM Score?
Below are the lens metric scores we’ve measured for this specific lens:


- Sharpness: 4.3/10
- Transmission: 6.3/10
- Vignetting: 0.5/10
- Chromatic Aberration: 7.3/10
- Distortion: 8.2/10
Canon EF 50mm f/1.8 STM Performance
The Canon EF 50mm f/1.8 STM exhibits sub-par performance when it comes to sharpness, which is the most important metric for lens performance. The Canon EF 50mm f/1.8 STM’s sharpness score of 4.3 is the second lowest among the lenses we’ve tested at Michigan Photography. The Canon EF 50mm f/1.8 STM’s sharpness score of 4.3 is in the same class as the Nikon AF-S FX NIKKOR 35mm f/1.8G ED (4.3), which received a rating of “Below Average,” and the Sony 50mm f/1.8 (4.3), which received a rating of “Below Average” as well.
Overall, the Canon EF 50mm f/1.8 STM has exceptionally weak performance when it comes to transmission and vignetting and this isn’t too much of a surprise considering that the Canon EF 50mm f/1.8 STM is a budget-friendly camera lens. The Canon EF 50mm f/1.8 STM’s vignetting score of 0.5 is the worst among the lenses we’ve tested at Michigan Photography and its transmission score of 6.3 is tied with that of the Nikon AF-S DX NIKKOR 35mm f/1.8G (6.3), which received a rating of “Below Average,” and the Nikon 50mm f/1.4 G ( 6.3), which also received a rating of “Below Average” as well.
Canon EF 50mm f/1.8 STM Pros and Cons
Below are some of the pros and cons regarding this lens.
Pros:
- Lightweight
- Low cost to buy this lens
Cons:
- Not as sharp as other lenses in Canon’s line up
- Vignetting and transmission scores are also subpar for this lens.