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Canon EF 75- vs Canon RF75-

Updated July 2026 — Canon EF 75- leads on weight and closest focus.

The Canon EF 75-300mm f/4-5.6 III is a more affordable option for SLR users, while the RF75-300mm offers advanced features for EOS R series cameras.

Why Canon EF 75- is better

Price

Lower price at $199.99

Compatibility

Compatible with a wider range of Canon SLR cameras

Weight

Slightly lighter at 16.8 ounces

Why Canon RF75- is better

Autofocus

Advanced Servo AF with eye detection

Accessories

Includes UV filter and cleaning kit

Portability

More compact design, similar to a water bottle

Overall score

Canon EF 75-
78
Canon RF75-
85

Specifications

SpecCanon EF 75-Canon RF75-
Price$199.99$239.00
AutofocusDC MotorServo AF
Image StabilizationNoNo
CompatibilitySLR CamerasEOS R Series
Included AccessoriesNoneUV Filter, Cleaning Kit

Dimension comparison

Canon EF 75-Canon RF75-

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 priced at $199.99, making it the more economical choice between the two options. This lens caters to photographers looking for an affordable telephoto solution for Canon SLR cameras. Its design includes a 75-300mm focal length range and a maximum aperture of f/4-5.6, which suits various shooting scenarios from portraits to wildlife photography. With its relatively lightweight construction of 16.8 ounces and compact size of 4.8 inches in length, this lens is also designed for ease of use.

This lens features a DC motor for autofocus, which, while less advanced than USM motors, still delivers reliable performance. Additionally, the lens has a closest focusing distance of 4.9 feet, allowing for close-up shots that fill the frame. While it lacks image stabilization, it remains a popular choice for photographers seeking versatility on a budget.

Overview of the Canon RF75-300mm F4-5.6 Zoom Lens

The Canon RF75-300mm F4-5.6 Zoom Lens is priced at $239.00, making it about 17% more expensive than its EF counterpart. This lens is designed for Canon EOS R series cameras, offering a modern take on telephoto photography with its lightweight and compact design. Weighing about the same as a 500ml water bottle, it is incredibly portable and easy to carry for extended shoots.

Key features of this lens include impressive focal length versatility and advanced autofocus capabilities, such as eye detection, which enhances portrait photography. The RF75-300mm lens comes with additional accessories, including a UV filter, lens cap keeper, and a cleaning kit, providing great value for those seeking more than just the lens itself. However, it is critical to note that this lens is not compatible with Canon DSLR cameras, limiting its usability.

Focusing Mechanism Comparison

The focusing mechanisms differ significantly between the two lenses. The Canon EF 75-300mm f/4-5.6 III utilizes a DC motor for autofocus, which is reliable but generally slower and less precise than the advanced technologies found in newer lenses. In contrast, the Canon RF75-300mm F4-5.6 incorporates Servo AF, allowing for eye detection even at 300mm. This capability is particularly beneficial for shooting moving subjects, making it a superior option for dynamic photography situations.

While the EF lens is solid for stills, the RF lens adds versatility for video shooting, as it can maintain focus on moving subjects effectively. This difference in focusing technology may sway photographers who prioritize speed and accuracy in autofocus.

Compatibility with Camera Systems

Compatibility is a crucial factor when choosing between these two lenses. The Canon EF 75-300mm lens is designed for Canon SLR cameras, making it compatible with a broader range of camera bodies. This lens is an excellent choice for photographers who own traditional EOS DSLRs and want an affordable telephoto option.

On the other hand, the Canon RF75-300mm is specifically designed for the Canon EOS R series cameras, including models like the R100, R50, R10, R7, R8, R6, and R5. This specialized design means that while it may offer advanced features, it is limited to newer camera systems. Therefore, your current camera setup should heavily influence which lens you choose.

Build Quality and Portability

In terms of build quality and portability, both lenses are designed with user convenience in mind. The Canon EF 75-300mm lens measures 2.8 inches in diameter and 4.8 inches in length, making it relatively compact for a telephoto zoom lens. At 16.8 ounces, it strikes a good balance between sturdiness and lightweight design.

Conversely, the Canon RF75-300mm is noted for its compact and lightweight design, comparable to that of a standard water bottle. This makes it particularly portable, appealing to photographers who frequently travel or shoot outdoors. While both lenses are reasonably lightweight, the RF lens may have an edge in terms of ease of transport.

Image Stabilization Features

Neither lens features image stabilization, which may be a deciding factor for some photographers. The lack of stabilization in the Canon EF 75-300mm means that users must be more cautious when shooting at longer focal lengths, especially in low-light conditions. However, the lens is still very capable for a variety of shooting situations.

The Canon RF75-300mm also does not include image stabilization, but its advanced autofocus features and improved design make it easier to achieve sharp images even without this feature. Photographers considering these lenses should weigh their shooting styles and whether they often require stabilization.

Value for Money

In terms of value for money, the Canon EF 75-300mm lens stands out as the more budget-friendly option at $199.99. It provides a robust telephoto capability without breaking the bank, making it an excellent choice for entry-level photographers or those on a tight budget.

The Canon RF75-300mm lens, priced at $239.00, includes additional accessories like a UV filter and cleaning kit, which can justify its higher price for some users. However, its limited compatibility with only the EOS R series could deter potential buyers who do not own these cameras. Evaluating what each lens offers relative to its price is crucial for making the best choice.

Which should you buy?

In summary, if you are a photographer using Canon SLR cameras and looking for an affordable, reliable telephoto lens, the Canon EF 75-300mm f/4-5.6 III Telephoto Zoom Lens is the clear choice. Its lower price point and broader compatibility make it an excellent option for many users. However, if you are using a Canon EOS R series camera and prioritize advanced autofocus features and additional accessories, the Canon RF75-300mm F4-5.6 Zoom Lens may be worth the extra cost. Ultimately, the decision should be based on your camera compatibility, shooting needs, and budget.