Canon EF vs Canon EF 75-
Updated July 2026 — Canon EF 75- leads on focal length and weight.
The Canon EF 50mm f/1.8 STM Lens excels in low-light performance and portability, while the Canon EF 75-300mm f/4-5.6 III offers versatility for distant subjects.
Why Canon EF is better
Price
50mm lens is $30 cheaper
Low-light
50mm lens has f/1.8 maximum aperture
Weight
50mm lens is lighter at 5.6 oz
Why Canon EF 75- is better
Zoom
75-300mm lens offers a zoom range
Versatility
75-300mm lens is better for distant subjects
Focal Length
75-300mm lens covers a wider range
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 |
| Focus Type | STM | DC Motor |
| Closest Focus | 1.15 ft | 4.9 ft |
Dimension comparison
Overview
When comparing the Canon EF 50mm f/1.8 STM Lens and the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens, it's essential to understand their distinct purposes and features. The 50mm lens is designed for portrait and low-light photography, while the 75-300mm lens excels in capturing distant subjects, making it ideal for wildlife and sports photography.
The Canon EF 50mm f/1.8 STM Lens is priced at $169.00, whereas the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens is available for $199.99. This makes the 50mm lens about 15% cheaper than the telephoto option, which could be a significant factor for budget-conscious photographers.
Image Quality
In terms of image quality, the Canon EF 50mm f/1.8 STM Lens stands out with its maximum aperture of f/1.8, allowing for exceptional low-light performance and beautiful background blur. This lens is known for producing sharp images with minimized ghosting and flare, thanks to its updated lens arrangement and coatings.
Conversely, the Canon EF 75-300mm f/4-5.6 III lens, with a maximum aperture of f/4-5.6, does not perform as well in low light but offers versatility with its zoom capabilities. While both lenses deliver quality images, the 50mm lens is better suited for those who prioritize sharpness and low-light performance.
Focal Length and Versatility
The Canon EF 50mm f/1.8 STM Lens has a fixed focal length of 50mm, making it a great choice for portraits and everyday photography. Its effective focal length of 80mm on APS-C cameras allows for a comfortable distance when capturing subjects, while the 1.15 feet minimum focusing distance provides flexibility for close-up shots.
In contrast, the Canon EF 75-300mm f/4-5.6 III lens offers a focal length range of 75-300mm, making it more versatile for various photography styles, from wildlife to sports. Its ability to zoom allows photographers to capture distant subjects without needing to change lenses, making it a go-to option for dynamic shooting conditions.
Autofocus Performance
The autofocus performance of the Canon EF 50mm f/1.8 STM Lens is enhanced by its stepping motor (STM), which enables near-silent, continuous autofocus. This feature is particularly beneficial for videographers looking to capture smooth focus transitions without distracting noise.
On the other hand, the Canon EF 75-300mm f/4-5.6 III lens utilizes a DC motor for autofocus. While it still provides acceptable performance, it may not be as swift or quiet as the STM technology found in the 50mm lens. For those who prioritize silent operation, especially in video recording, the 50mm lens has a clear advantage.
Build Quality and Design
The Canon EF 50mm f/1.8 STM Lens is compact and lightweight, weighing approximately 5.6 ounces, making it easy to carry and handle. Its rugged metal mount adds to its durability, and the redesigned exterior improves focus ring placement for easier manual adjustments.
In comparison, the Canon EF 75-300mm f/4-5.6 III lens weighs 16.8 ounces, which is significantly heavier than the 50mm lens. While it features a sturdy design, its larger size may be less convenient for everyday use. Photographers seeking portability may prefer the lighter 50mm lens for casual shooting.
Price Comparison
The Canon EF 50mm f/1.8 STM Lens is priced at $169.00, making it a budget-friendly option for photographers seeking high-quality performance without breaking the bank. Its competitive price point positions it as an excellent choice for both beginners and experienced photographers alike.
In contrast, the Canon EF 75-300mm f/4-5.6 III lens is priced at $199.99, which is about 17% more expensive than the 50mm lens. While the additional cost may be justified for those needing a telephoto lens for specific situations, the 50mm lens offers exceptional value for its capabilities.
Ideal Use Cases
The Canon EF 50mm f/1.8 STM Lens shines in scenarios like portraits, low-light environments, and everyday photography. Its wide aperture allows for excellent subject isolation and background blur, making it a favorite among portrait photographers.
Conversely, the Canon EF 75-300mm f/4-5.6 III lens is ideal for sports, wildlife, and events where distance is a factor. Its zoom capability allows photographers to adapt quickly to various shooting conditions, making it an excellent choice for dynamic environments.
Which should you buy?
Ultimately, the choice between the Canon EF 50mm f/1.8 STM Lens and the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens depends on your specific photography needs. If you prioritize low-light performance, sharp images, and portability, the 50mm lens is the better option at $169.00. However, if you require versatility and the ability to capture distant subjects, the 75-300mm lens at $199.99 offers greater flexibility at the cost of some low-light performance and portability. Consider your shooting style and the types of photography you enjoy most to make the best choice.