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Canon EF 75- vs Canon RF-S18-

Updated July 2026 — Canon EF 75- wins on focal length, Canon RF-S18- wins on stabilization and autofocus.

The Canon RF-S18-150mm offers advanced features and versatility, making it the better choice for serious photographers. However, the Canon EF 75-300mm is a budget-friendly option for those needing a solid telephoto lens.

Why Canon EF 75- is better

Price

Canon EF 75-300mm is significantly cheaper.

Focal Length

Longer focal length for distant subjects.

Simplicity

Easier to use for beginners.

Why Canon RF-S18- is better

Image Stabilization

Superior stabilization features.

Autofocus

Quieter and smoother autofocus.

Versatility

Wider zoom range for various photography styles.

Overall score

Canon EF 75-
65
Canon RF-S18-
85

Specifications

SpecCanon EF 75-Canon RF-S18-
Focal Length75-300mm18-150mm
Max Aperturef/4-5.6f/3.5-6.3
Image StabilizationNoneUp to 6.5 stops
Autofocus TypeMicromotorSTM
Weight480g300g

Dimension comparison

Canon EF 75-Canon RF-S18-

Introduction to Telephoto Lenses

Telephoto lenses are essential tools for photographers looking to capture distant subjects with clarity and detail. In this comparison, we will examine two Canon telephoto lenses: the Canon EF 75-300mm f/4-5.6 III and the Canon RF-S18-150mm F3.5-6.3. These lenses cater to different types of photographers and needs, making it crucial to understand their unique features and specifications.

Price Comparison

The Canon EF 75-300mm is priced at $169.00, while the Canon RF-S18-150mm comes in at $569.00, making the former about 70% cheaper. This significant price difference might appeal to amateur photographers or those on a budget. However, the higher price of the RF-S18-150mm may be justified by its advanced features and image stabilization technology, which could benefit those who require more versatility in various shooting conditions.

Focal Length and Versatility

The focal length of a lens greatly influences its usability. The Canon EF 75-300mm has a focal length range of 75-300mm, allowing for substantial zoom capabilities, which is excellent for wildlife and sports photography. In contrast, the Canon RF-S18-150mm offers a versatile zoom range of 18-150mm, making it suitable for a wider array of photography styles, from landscapes to portraits. This broader range provides flexibility for photographers who want an all-in-one solution, especially for those using APS-C sensors.

Image Stabilization Capabilities

Image stabilization is a crucial feature for ensuring sharp images, particularly in low-light conditions or when shooting video. The Canon RF-S18-150mm includes in-lens optical image stabilization with up to 4.5 stops of shake correction, and when paired with EOS R series cameras featuring In-Body Image Stabilizer, it can provide up to 6.5 stops of stabilization. On the other hand, the Canon EF 75-300mm lacks such advanced stabilization features, relying instead on the photographer's steadiness. This makes the RF-S18-150mm a better choice for capturing stable images and video.

Autofocus Performance

Autofocus performance is essential for capturing quick moments and ensuring subject sharpness. The Canon RF-S18-150mm features a lead screw-type STM (Stepping Motor) that provides smooth and quiet autofocus, making it ideal for shooting video. The EF 75-300mm uses a front group rotating extension system with a micromotor for focus adjustment, which may not perform as quickly or quietly as the RF-S18-150mm. For videographers and those needing fast autofocus in dynamic scenarios, the RF-S18-150mm is clearly superior.

Build Quality and Design

Build quality and design can significantly affect a photographer's experience. The Canon RF-S18-150mm is specifically designed for APS-C cameras with an RF mount and includes features that facilitate better handling and operation. Meanwhile, the Canon EF 75-300mm, although a reliable lens, may feel less modern and versatile compared to the RF-S18-150mm. The latter's thoughtful design aims to enhance the shooting experience, particularly for those who frequently transition between photography and videography.

Target Audience and Usage

Each lens targets different audiences based on their features and price points. The Canon EF 75-300mm is an excellent choice for budget-conscious photographers who want a solid telephoto lens without breaking the bank. Its focal length is ideal for shooting distant subjects, making it suitable for nature and sports photography. In contrast, the Canon RF-S18-150mm targets those who seek versatility and advanced features, making it better suited for creative photography and dynamic environments, particularly for vloggers and content creators.

Which should you buy?

Ultimately, the decision between the Canon EF 75-300mm f/4-5.6 III and the Canon RF-S18-150mm F3.5-6.3 hinges on your specific needs and budget. If you're looking for a cost-effective telephoto lens that delivers solid performance, the EF 75-300mm is a commendable choice. However, if you require advanced features like superior image stabilization, versatile focal lengths, and smooth autofocus, investing in the RF-S18-150mm is worth considering, despite its higher price tag of $569.00.