7artisans AF vs Canon RF45mm F1.2 STM
Updated July 2026 — 7artisans AF wins on price and versatility, Canon RF45mm F1.2 STM wins on aperture and build quality.
The 7artisans lens offers great value for casual photographers, while the Canon lens excels in low-light performance and image quality.
Why 7artisans AF is better
Price
7artisans lens is significantly cheaper at $125.
Weight
7artisans lens is lighter at 183g.
Versatility
7artisans lens offers multiple focal lengths.
Why Canon RF45mm F1.2 STM is better
Aperture
Canon lens has a larger f/1.2 aperture.
Image Quality
Canon lens provides superior optical performance.
Low-Light
Canon lens performs better in low-light conditions.
Overall score
Specifications
| Spec | 7artisans AF | Canon RF45mm F1.2 STM |
|---|---|---|
| Max Aperture | f/1.8 | f/1.2 |
| Focal Length | 25mm | 45mm |
| Autofocus | STM | STM |
| Weight | 183g | N/A |
| Price | $125 | $469 |
Dimension comparison
Overview
The 7artisans AF 25mm f1.8 APS-C Prime Lens for Fuji X Mount is priced at $125.00, while the Canon RF45mm F1.2 STM comes in at $469.00, making the 7artisans lens about 73% cheaper. This significant price difference highlights the varying market segments these lenses cater to and sets the stage for a deeper examination of their features and capabilities.
Design and Build Quality
The 7artisans lens weighs only 183 grams, making it an ultra-light choice for photographers who prioritize portability. This is especially advantageous for street photography and travel, where carrying a heavy lens can be cumbersome. In contrast, the Canon RF45mm F1.2 STM, while not specified in weight, is generally known for its compact design but may be heavier due to its larger aperture and build quality. The 7artisans lens is designed with a focus on usability and ease of handling, while the Canon lens emphasizes premium features and performance.
Aperture and Low-Light Performance
The 7artisans lens features a maximum aperture of f/1.8, which allows for decent low-light performance and a soft background blur effect. This is suitable for capturing clear, sharp images in various lighting conditions, although it may not excel in extremely low-light scenarios. On the other hand, the Canon RF45mm lens boasts an impressive f/1.2 aperture, enabling it to perform exceptionally well in low-light situations. The ability to use faster shutter speeds and achieve a more pronounced bokeh effect gives the Canon lens an edge for photographers who often shoot in dimly lit environments.
Autofocus and Focusing Mechanism
The 7artisans lens is equipped with an STM stepping motor, noted for its quiet and precise autofocus capabilities. This is particularly beneficial for portrait photography where focus accuracy is crucial. Moreover, it features eye recognition technology for tracking subjects, ensuring that the eyes remain sharp and clear. Conversely, the Canon RF45mm lens also focuses on delivering fast and accurate autofocus, but it lacks the eye recognition feature found in the 7artisans lens. While both lenses are designed for effective autofocus, the 7artisans lens offers a unique advantage for portrait photographers.
Versatility and Use Cases
The 7artisans AF 25mm lens is versatile for various photography styles, including street photography, portraiture, and light and shadow compositions. Its three common focal lengths of 25mm, 35mm, and 50mm provide flexibility, making it suitable for different shooting scenarios. The Canon RF45mm lens, while primarily a standard prime lens, excels in portrait and lifestyle photography, delivering impressive image quality and subject isolation. The choices of focal lengths and intended use cases make the 7artisans lens more adaptable for everyday situations, while the Canon lens is tailored for specific high-quality outputs.
Image Quality and Characteristics
The image quality delivered by the 7artisans lens is commendable, particularly due to its large f/1.8 aperture that helps separate subjects from busy backgrounds. However, the Canon RF45mm lens takes image quality to another level, thanks to its f/1.2 aperture and advanced optical design, which includes a PMo aspheric lens to reduce aberrations. This results in images that are not only sharp but also possess a three-dimensional look through stunning bokeh. For photographers prioritizing image quality, the Canon lens is likely to provide superior results, especially in challenging lighting conditions.
Price and Value Proposition
At a price of $125.00, the 7artisans AF 25mm lens offers an excellent value proposition for entry-level photographers and enthusiasts. It provides essential features for capturing quality images without a hefty investment. In contrast, the Canon RF45mm lens, priced at $469.00, appeals to professionals and serious creators seeking high-end performance. The price difference of about $344 highlights the distinction in target markets; while the 7artisans lens is accessible, the Canon lens justifies its cost with advanced features and superior optical performance.
Which should you buy?
Choosing between the 7artisans AF 25mm f1.8 APS-C Prime Lens and the Canon RF45mm F1.2 STM ultimately depends on your specific needs and budget. If you are a casual photographer or someone looking for an affordable and lightweight lens for everyday use, the 7artisans lens is an excellent choice, offering solid performance at a fraction of the price. However, if you are a professional or an enthusiast who frequently works in low-light conditions and demands exceptional image quality, the Canon RF45mm lens, with its superior aperture and optical design, is worth the investment. Each lens excels in its own right, catering to different preferences and photographic styles.

