
Canon EF 75-300mm f-5.6 III
Score: 58/100
Panasonic LUMIX G 25mm
Score: 79/100Rankings

The Panasonic LUMIX G 25mm f/1.7 ASPH is an ultra-compact, fast-aperture prime that delivers sharp images and quiet autofocus. It lacks weather sealing, image stabilization, and its corner performance drops at the widest aperture. Ideal for street, portrait and low-light shooters who prioritize size and speed over ruggedness.

The Canon EF 75-300mm f/4-5.6 III is a lightweight, budget-friendly telephoto zoom offering solid reach. Its trade-offs include a sluggish micro-motor AF, lack of stabilization, and softer optics at the long end. Best suited for beginners and casual shooters needing portable telephoto capability.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 25 mmbest | |
— | 1.7best | |
| ↓ lower better | 1.5 m | 0.25 mbest |
| ↓ lower better | 480 g | 125 gbest |
4best | — | |
7best | 7best | |
0.3best | — | |
13best | 8 |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Compatibility(1) | ||
Lens Mount | Canon EF | Micro Four Thirds |
Features(1) | ||
Autofocus Type | Micro motor | Stepping motor |
Optics(5) | ||
Focal Length (mm) | 75-300 mm | 25 mm |
Maximum Aperture (f‑stop) | 4-5.6 | 1.7 |
Minimum Focus Distance (m) | 1.5 m | 0.25 m |
Number of Optical Elements | 13 | 8 |
Number of Optical Groups | 9 | 7 |
Build & Design(4) | ||
Filter Thread Size (mm) | 58 mm | 46 mm |
Weight (g) | 480 g | 125 g |
Length (mm) | 122 mm | 52 mm |
Maximum Diameter (mm) | 71 mm | 60.8 mm |

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

Professional reviewers describe the EF 75-300mm f/4-5.6 III as Canon's basic, budget-friendly long zoom. They commend its ultra-light weight and compact form factor, but repeatedly note the sluggish micro-motor autofocus, modest build quality, and average optical performance, especially the softness and reduced contrast at the 300 mm end.
Everyday users love the lens for its portability and inexpensive telephoto reach, often mentioning how easy it is to pack for travel and wildlife outings. However, they commonly complain about the slow, noisy autofocus, the absence of stabilization, plastic feel, and noticeable softness at the long end, which detracts from image quality in low-light or high-magnification scenarios.

“so light... not even perceive the extra weight”




Professional reviewers praise the lens for its delightfully lightweight and well-built feel, fast f/1.7 aperture, and quiet stepping-motor autofocus that suits both stills and video. They also note the high-quality aspherical/UHR optics that keep aberrations low. However, they criticize the lack of weather sealing, image stabilization, and the soft corner performance at the widest aperture, as well as the absence of a mechanical focus coupling.
Everyday users love how portable and light the lens feels, often describing it as "pancake-like" and "so light… not even perceive the extra weight." They appreciate the fast aperture for indoor and low-light shooting and the quiet AF for video. Common complaints focus on its fragility without weather sealing, occasional flare, and the inability to focus closely for macro work.