Canon EF vs Canon EF 75-
Updated July 2026 — Canon EF wins on aperture and weight, Canon EF 75- wins on focal length.
The Canon EF 50mm f/1.8 STM Lens offers superior low-light performance and affordability, while the Canon EF 75-300mm f/4-5.6 III provides greater versatility for distant subjects.
Why Canon EF is better
Price
50mm lens is cheaper by $44
Low-light
50mm excels in low-light conditions
Autofocus
50mm has quieter STM motor
Why Canon EF 75- is better
Versatility
75-300mm covers a wider focal range
Zoom
75-300mm allows for distant subject capture
Build
75-300mm has improved zoom mechanism
Overall score
Specifications
| Spec | Canon EF | Canon EF 75- |
|---|---|---|
| Max Aperture | f/1.8 | f/4-5.6 |
| Focal Length | 50mm | 75-300mm |
| Weight | 5.6 oz | 16.8 oz |
| Closest Focus | 1.15 ft | 4.9 ft |
| Autofocus Motor | STM | DC |
Dimension comparison
Overview of the Canon EF 50mm f/1.8 STM Lens
The Canon EF 50mm f/1.8 STM Lens is priced at $155.99, making it an economical choice for photographers seeking a high-performance lens. This compact, normal-length prime lens excels in various shooting conditions, particularly in low light, thanks to its bright f/1.8 maximum aperture. Ideal for portraits, action shots, and nighttime photography, it offers a minimum focusing distance of 1.15 ft. (0.35m) and a maximum magnification of 0.21x. The STM motor enables near-silent autofocus, making it suitable for both video and still photography.
Overview of the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens
The Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens is available for $199.99, appealing to those who require versatility in their shooting. With a focal range of 75-300mm, this lens is designed for capturing distant subjects, from sports to wildlife photography. Although it lacks image stabilization, it provides a closest focusing distance of 4.9 feet, allowing you to fill the frame with smaller subjects. The lens is compact, measuring 2.8 inches in diameter and 4.8 inches long, weighing 16.8 ounces, which makes it convenient for outdoor shooting.
Image Quality and Performance
When it comes to image quality, the Canon EF 50mm f/1.8 STM Lens stands out with its Super Spectra coating that minimizes flare and ghosting. This results in greater contrast and color accuracy, especially in challenging lighting conditions. The lens's wide aperture allows for beautiful depth of field effects, isolating subjects effectively. In contrast, the Canon EF 75-300mm lens relies on its longer focal length to create stunning images but lacks the same level of control over depth of field due to its narrower maximum aperture of f/4-5.6. While both lenses produce sharp images, the 50mm excels in low-light conditions and creative photography.
Build Quality and Design
The Canon EF 50mm f/1.8 STM Lens is known for its lightweight and compact design, making it easy to carry for everyday shooting. Its build quality includes an STM motor that enhances its autofocus capabilities while maintaining a near-silent operation. On the other hand, the Canon EF 75-300mm lens features an improved mechanism that makes zooming smoother. However, it is slightly bulkier and heavier, which may not be ideal for all photographers. The 50mm lens is designed for ease of use, while the 75-300mm is built for versatility, catering to different photography needs.
Autofocus Capabilities
Autofocus performance is crucial for capturing sharp images quickly. The Canon EF 50mm f/1.8 STM Lens employs a stepping motor (STM) that provides smooth and quiet autofocus, making it particularly effective for video recording and candid photography. The lens also allows for full-time manual focus override, giving photographers more control when needed. In contrast, the Canon EF 75-300mm lens uses a DC motor for autofocus, which, while functional, may not offer the same speed and quiet operation as the STM. This difference can be significant when shooting in dynamic or quiet environments.
Versatility in Usage
The versatility offered by the Canon EF 75-300mm lens is a key selling point, with its ability to cover a wide range of focal lengths. From portraits to wildlife photography, it adapts well to various shooting situations. Its longer reach allows for creative compositions from a distance, making it suitable for capturing fast-paced action. Conversely, while the Canon EF 50mm f/1.8 STM is excellent for portraits and low-light conditions, it lacks the zoom range of the 75-300mm. Photographers needing a single lens for diverse scenarios may find the telephoto lens more beneficial, despite its higher price.
Price Consideration
Price plays an important role in the decision-making process. The Canon EF 50mm f/1.8 STM Lens is priced at $155.99, which is about 22% cheaper than the Canon EF 75-300mm lens, priced at $199.99. This price difference may influence budget-conscious photographers who are looking for high-quality performance without breaking the bank. While the 75-300mm offers more versatility, the cost-effectiveness of the 50mm lens makes it an attractive option for those primarily interested in portrait and low-light photography.
Which should you buy?
Choosing between the Canon EF 50mm f/1.8 STM Lens and the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens ultimately depends on your photography needs. If you prioritize low-light performance, portrait photography, and affordability, the 50mm lens is an excellent choice. However, if you require versatility and the ability to capture distant subjects, the 75-300mm lens may be worth the extra investment. Consider your shooting style and the types of subjects you typically photograph to make the best decision for your needs.

