
Canon EF 75-300mm f/4-5.6 III
Score: 35/100
Canon EF 50mm f/1.8
Score: 85/100Rankings

The Canon EF 50mm f/1.8 STM is a compact, fast prime lens offering excellent sharpness and silent autofocus, making it a great value for beginners and vloggers, though its plastic construction and lack of a hood limit its professional appeal.

The Canon EF 75-300mm f/4-5.6 III USM is a budget-friendly telephoto zoom that offers a long reach in a lightweight plastic body. It delivers decent sharpness in the mid-range and quiet autofocus, but lacks stabilization and suffers from softness at the long end.
| Attribute | ![]() | ![]() |
|---|---|---|
| ↓ lower better | 75 mm | 50 mmbest |
300 mmbest | 50 mm | |
| ↓ lower better | 4 f | 1.8 fbest |
| ↓ lower better | 480 g | 159 gbest |
| ↓ lower better | 122 mm | 111.3 mmbest |
| ↓ lower better | 150 cm | 35 cmbest |
0.25 xbest | 0.21 x | |
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 | EF |
Autofocus Motor Type | Micro USM | STM |
Optical(5) | ||
Focal Length (Min) (mm) | 75 mm | 50 mm |
Focal Length (Max) (mm) | 300 mm | 50 mm |
Maximum Aperture (f-number) (f) | 4.0 f | 1.8 f |
Minimum Focus Distance (cm) | 150 cm | 35 cm |
Maximum Magnification Ratio (x) | 0.25 x | 0.21 x |
Physical(3) | ||
Weight (g) | 480 g | 159 g |
Length (mm) | 122 mm | 111.3 mm |
Filter Thread Diameter (mm) | 58 mm | 49 mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers label the EF 75-300mm f/4-5.6 III as a solid budget consumer lens that excels in size, weight, and smooth zoom, delivering acceptable sharpness in the mid-range but note soft corners, distortion, and the absence of image stabilization as drawbacks.
Everyday users appreciate the low price, lightweight feel, and quiet autofocus, while complaining about softness at 300mm, lack of stabilization, and the cheap-feeling plastic construction.

“Great for beginners”

“Good value for the reach”

“Blurry at 300mm”




Professional reviewers rate the lens highly for its performance-to-price ratio, praising its sharpness, compactness, quiet STM autofocus and smooth bokeh, while noting the plasticky feel and lack of a hood as drawbacks.
Everyday users love the affordability, sharpness and video-friendly autofocus, but complain about the cheap plastic build, missing hood and the quirky focus-by-wire behavior.