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Canon RF-S10- vs Canon RF45mm F1.2 STM

Updated July 2026 — Canon RF-S10- wins on aperture and max magnification, Canon RF45mm F1.2 STM wins on price and focal length.

The Canon RF-S10-18mm is a versatile and affordable option for vloggers, while the RF45mm excels in low-light portrait photography.

Why Canon RF-S10- is better

Price

RF-S10-18mm is $279.00, cheaper than RF45mm at $469.00.

Weight

RF-S10-18mm is lightweight, ideal for travel.

Wide Angle

RF-S10-18mm offers ultra-wide-angle for vlogging.

Why Canon RF45mm F1.2 STM is better

Aperture

RF45mm has a larger f/1.2 aperture for low-light.

Bokeh

RF45mm creates superior background blur.

Optical Quality

RF45mm reduces aberrations effectively.

Overall score

Canon RF-S10-
75
Canon RF45mm F1.2 STM
88

Specifications

SpecCanon RF-S10-Canon RF45mm F1.2 STM
BrandCanonCanon
TypeZoomPrime
Max ApertureF4.5F1.2
Min Focus0.23m0.45m
Image StabilizationYesNo

Dimension comparison

Canon RF-S10-Canon RF45mm F1.2 STM

Overview of the Canon RF-S10-18mm F4.5-6.3 IS STM and Canon RF45mm F1.2 STM

The Canon RF-S10-18mm F4.5-6.3 IS STM is priced at $279.00, making it about 17% cheaper than the Canon RF45mm F1.2 STM, which costs $469.00. These two lenses cater to different photography needs, appealing to a range of users from vloggers to portrait photographers. Understanding their unique features can help you make an informed decision based on your creative requirements.

Design and Build Quality

Both lenses are crafted by Canon, showcasing a commitment to quality and innovation. The RF-S10-18mm is known for its compact and lightweight design, ideal for travel and vlogging. It's engineered specifically for Canon EOS APS-C cameras, making it a versatile choice for users seeking an ultra-wide angle. In contrast, the RF45mm is a standard prime lens that offers a larger aperture of f/1.2, enhancing its capability in low-light conditions. While the RF-S10-18mm is optimized for wide-angle shots, the RF45mm focuses on providing a refined aesthetic with a three-dimensional bokeh effect, showcasing the versatility of both lenses in different scenarios.

Optical Performance

The RF-S10-18mm lens features a new optical design that includes two Ultra-low Dispersion glass elements and an Aspheric element, ensuring outstanding image quality from the center to the edges. This lens excels in capturing landscapes and interiors, providing a maximum magnification of 0.23x in AF mode. On the other hand, the RF45mm F1.2 STM lens is engineered for exceptional wide-aperture performance, allowing for faster shutter speeds in low-light situations. Its effective placement of one PMo aspheric lens significantly reduces aberrations, making it a strong contender for portrait and lifestyle photography.

Versatility for Different Genres

The RF-S10-18mm is particularly well-suited for vlogging and selfies, thanks to its ultra-wide-angle view that captures both the subject and background effectively. This capability allows for creative framing without needing an extended selfie stick. In contrast, the RF45mm shines in portrait photography, where its f/1.2 aperture creates stunning background blur, isolating subjects beautifully. While the RF-S10-18mm excels in capturing dynamic scenes and environments, the RF45mm provides a distinct edge for photographers focusing on detailed, expressive portraits.

Price Point and Value

At $279.00, the RF-S10-18mm offers exceptional value, especially considering its features tailored for vlogging and travel. Its price point makes it accessible for budding photographers and vloggers looking to create high-quality content without breaking the bank. The RF45mm, although more costly at $469.00, appeals to serious photographers who prioritize low-light performance and high-quality bokeh. The investment in the RF45mm can be justified for those who frequently shoot in challenging lighting conditions and require a lens that delivers professional results.

Ideal User Profiles

The RF-S10-18mm is perfect for content creators, travelers, and casual photographers who appreciate a lightweight lens that excels in versatility. Its design makes it easy to carry, allowing for spontaneous shooting opportunities. Conversely, the RF45mm is designed for professionals and enthusiasts who are serious about photography. Its wide aperture and ability to create a soft background make it ideal for portraits and artistic shots, appealing to users who are looking to elevate their photography with a premium lens.

Compatibility and Usage

Both lenses are designed for Canon mirrorless cameras, ensuring seamless compatibility with the EOS R series. The RF-S10-18mm's ultra-wide focal range of 10-18mm (16-29mm equivalent) makes it an excellent choice for capturing expansive landscapes or tight indoor spaces. Meanwhile, the RF45mm's standard 45mm focal length is versatile enough for a variety of shooting scenarios, from candid street photography to intimate portraits. Users can easily switch between these two lenses based on their shooting needs, showcasing the adaptability of Canon's offerings.

Which should you buy?

Choosing between the Canon RF-S10-18mm F4.5-6.3 IS STM and the Canon RF45mm F1.2 STM ultimately depends on your specific photography needs. If you're a vlogger or a travel enthusiast seeking a lightweight, versatile lens at a more affordable price, the RF-S10-18mm is the clear winner. However, if your focus is on portraiture and you require exceptional low-light performance, the RF45mm, despite its higher cost, offers superior capabilities. Ultimately, both lenses provide unique advantages that cater to different photographic pursuits, making them valuable additions to any Canon camera kit.