vsversusfinder

Canon EF vs Canon RF75-

Updated July 2026 — Canon EF wins on weight, Canon RF75- wins on focal length and filter size.

The Canon EF 50mm f/1.8 STM Lens excels in low-light performance and portability, while the Canon RF75-300mm offers versatility with its zoom capabilities.

Why Canon EF is better

Low-light performance

Wide f/1.8 aperture allows for better low-light photography.

Compact size

Lightweight and easy to carry for everyday use.

Price

More affordable at $169 compared to $239.

Why Canon RF75- is better

Zoom range

Versatile focal length from 75mm to 300mm.

Advanced autofocus

Eye detection feature enhances portrait photography.

Included accessories

Comes with UV filter and cleaning kit.

Overall score

Canon EF
85
Canon RF75-
90

Specifications

SpecCanon EFCanon RF75-
BrandCanonCanon
TypePrimeZoom
Max Aperturef/1.8f/5.6
CompatibilityEF mountRF mount
AutofocusStepping MotorEye Detection

Dimension comparison

Canon EFCanon RF75-

Overview of the Canon EF 50mm f/1.8 STM Lens

The Canon EF 50mm f/1.8 STM Lens is an excellent choice for photographers looking for a versatile and compact prime lens. Priced at $169.00, it offers a maximum aperture of f/1.8, making it ideal for low-light situations and portrait photography. This lens is designed for Canon's EF mount, making it compatible with a wide range of Canon DSLR cameras.

The lens features a stepping motor (STM) for near-silent autofocus, which is especially beneficial for video recording. With a minimum focusing distance of 1.15 feet, it allows for close-up shots that emphasize the subject beautifully. The compact size and lightweight design make it a convenient option for everyday use, allowing photographers to carry it around without added bulk.

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

The Canon RF75-300mm F4-5.6 Zoom Lens, retailing at $239.00, is designed for Canon EOS R series cameras, offering an impressive zoom range from 75mm to 300mm. This lens is particularly advantageous for sports and wildlife photography, where distance and detail are critical.

This lens is remarkably lightweight and portable, comparable to the weight of a 500ml water bottle. It also includes a UV filter, lens cap keeper, and a cleaning kit, adding value to the purchase. The RF75-300mm lens is equipped with advanced autofocus capabilities, including eye detection at the 300mm zoom range, which ensures sharp focus on subjects' pupils, enhancing portrait and action photography.

Image Quality Comparison

When comparing image quality, the Canon EF 50mm f/1.8 STM Lens shines in low-light conditions due to its wide f/1.8 aperture, allowing for greater light intake and stunning background blur. This lens is well-known for producing sharp images with excellent color balance and minimized ghosting and flare.

On the other hand, while the Canon RF75-300mm F4-5.6 Zoom Lens offers versatility with its zoom capabilities, the maximum aperture of f/4-5.6 means it may not perform as well in low-light conditions. However, the lens's ability to zoom allows for creative framing and composition, which can be advantageous in various shooting scenarios. Overall, both lenses are capable of delivering high-quality images, but they excel in different contexts.

Autofocus Performance

The autofocus performance of both lenses stands out in their respective categories. The Canon EF 50mm f/1.8 STM Lens features a stepping motor that provides fast and near-silent autofocus, making it suitable for both stills and video applications. This lens is especially effective for capturing spontaneous moments without disrupting the scene.

In contrast, the Canon RF75-300mm F4-5.6 Zoom Lens includes advanced autofocus features, such as eye detection, which works effectively at the 300mm zoom range. This capability is particularly beneficial for portrait and action photography, allowing for precise focus on moving subjects. While both lenses offer impressive autofocus systems, the RF75-300mm lens provides more specialized features for dynamic shooting scenarios.

Portability and Build Quality

Portability is a key factor for many photographers when selecting a lens. The Canon EF 50mm f/1.8 STM Lens is compact and lightweight, making it easy to carry for day-to-day photography. Its rugged metal mount adds durability without significant weight, ensuring that it can withstand the rigors of travel.

The Canon RF75-300mm F4-5.6 Zoom Lens is also designed with portability in mind, weighing about the same as a 500ml water bottle. This lens offers a more extensive focal range without the bulk typically associated with telephoto lenses. Both lenses are user-friendly, but the RF75-300mm stands out for its ability to provide telephoto capabilities without sacrificing portability.

Versatility in Photography

Versatility is another critical aspect to consider when comparing these two lenses. The Canon EF 50mm f/1.8 STM Lens is an excellent all-rounder, making it ideal for portrait, action, and nighttime photography. Its effective focal length on APS-C cameras is about 80mm, which is perfect for capturing subjects in various environments.

In contrast, the Canon RF75-300mm F4-5.6 Zoom Lens offers a broader focal range, allowing photographers to switch between wide-angle and telephoto shots seamlessly. This flexibility makes it a great choice for wildlife and sports photography, where the ability to zoom in on distant subjects is invaluable. While both lenses have their strengths, the RF75-300mm provides more options for varying shooting situations.

Price Comparison

When it comes to pricing, the Canon EF 50mm f/1.8 STM Lens is priced at $169.00, making it about 29% cheaper than the Canon RF75-300mm F4-5.6 Zoom Lens, which costs $239.00. Given the price difference, the EF 50mm lens offers exceptional value, especially for those who are looking for a high-quality prime lens without breaking the bank.

The RF75-300mm, while more expensive, includes additional accessories like a UV filter and cleaning kit, which can justify the higher price point for some buyers. Ultimately, your budget and specific photography needs will dictate which lens offers the best value for your situation.

Which should you buy?

Choosing between the Canon EF 50mm f/1.8 STM Lens and the Canon RF75-300mm F4-5.6 Zoom Lens ultimately depends on your photography style and requirements. If you frequently shoot in low-light conditions, need a compact lens for everyday use, or are focused on portrait photography, the EF 50mm is the better option. Its affordability and image quality make it a solid investment for budding photographers.

Conversely, if you require versatility for a range of shooting scenarios, particularly in wildlife or sports photography, the RF75-300mm offers a compelling package with its extensive zoom range and advanced autofocus features. While it comes at a higher price, the additional accessories and capabilities may be worth the investment for serious photographers.