Canon RF45mm F1.2 STM vs Meike
Updated July 2026 — Canon RF45mm F1.2 STM wins on price and weight, Meike wins on aperture.
The Canon RF45mm F1.2 STM offers superior performance and image quality, while the Meike 50mm F1.8 is a budget-friendly alternative.
Why Canon RF45mm F1.2 STM is better
Aperture
Canon has a wider f/1.2 aperture for better low-light performance.
Image Quality
Canon features advanced distortion correction for sharper images.
Build Quality
Canon's construction is more robust and premium.
Why Meike is better
Price
Meike is significantly cheaper at $159.99.
Compatibility
Meike works with a wider range of Sony cameras.
Firmware Upgrade
Meike allows firmware updates for autofocus improvements.
Overall score
Specifications
| Spec | Canon RF45mm F1.2 STM | Meike |
|---|---|---|
| Focal Length | 45mm | 50mm |
| Mount Type | RF | Sony E |
| Max Aperture | f/1.2 | f/1.8 |
| Autofocus | Yes | Yes |
| Elements | 1 PMo | 11 groups, 7 elements |
Dimension comparison
Overview of the Canon RF45mm F1.2 STM and Meike 50mm F1.8
The Canon RF45mm F1.2 STM is priced at $469.00, while the Meike 50mm F1.8 is significantly more affordable at $159.99, making it about 66% less expensive. Both lenses cater to portrait photography but vary in features, performance, and intended camera compatibility. Understanding the strengths of each lens can help photographers make an informed choice based on their needs and budget.
Compatibility and Camera System
The Canon RF45mm F1.2 STM is designed for Canon's RF mount, specifically optimized for their mirrorless camera systems. In contrast, the Meike 50mm F1.8 is compatible with Sony E mount full-frame mirrorless cameras such as the A9 and A7 series, and it also works with APS-C frame cameras. If you're invested in a specific camera ecosystem, this compatibility plays a crucial role in selecting the right lens.
Aperture and Low-Light Performance
The Canon RF45mm boasts an impressive f/1.2 aperture, allowing for faster shutter speeds and exceptional low-light performance. This wide aperture facilitates impressive bokeh, isolating subjects beautifully against blurred backgrounds. The Meike 50mm, while slightly less capable with an f/1.8 aperture, still offers good low-light performance and beautiful background blur, making it suitable for portrait photography. However, the difference in maximum aperture means the Canon lens can handle darker environments more adeptly.
Image Quality and Distortion Correction
The Canon RF45mm F1.2 STM lens features advanced digital distortion correction, which contributes to its reputation for producing high-quality images with minimal aberrations. The lens architecture includes one PMo aspheric lens that effectively reduces optical distortions, ensuring sharp, clear images. The Meike 50mm F1.8, with a construction of 11 groups and 7 elements, also delivers sharp images but lacks the advanced distortion correction features present in the Canon lens. Thus, for those prioritizing image fidelity, the Canon may be the superior choice.
Autofocus Technology
Both lenses employ autofocus technology, but they differ in implementation. The Canon RF45mm features a sophisticated autofocus system that benefits from the large-diameter lens design, ensuring quick and accurate focus even in dim conditions. The Meike 50mm F1.8 utilizes a stepping motor for autofocus, which helps reduce camera shake and noise. However, it includes a unique firmware upgrade option through a Type-C interface, allowing users to address potential autofocus issues directly. This gives the Meike lens a certain flexibility not present in the Canon model.
Build Quality and Design
The Canon RF45mm is designed to be compact and reasonably priced for a large-diameter lens, striking a balance between performance and portability. Its construction feels robust, aligning with Canon's reputation for quality. The Meike 50mm F1.8 is also designed for easy handling, but its lower price point may reflect a slightly less premium feel. This difference in build quality could influence your choice depending on your shooting style and frequency of lens usage.
Target Audience and Use Case
The Canon RF45mm F1.2 STM is tailored for professional photographers and serious enthusiasts who demand high performance and are willing to invest in premium optics. Its capabilities make it an excellent choice for portrait, lifestyle, and narrative photography. On the other hand, the Meike 50mm F1.8 serves as an affordable option for hobbyists or those starting with portrait photography. It offers solid performance without a significant financial commitment, making it ideal for those exploring the genre or needing a versatile lens for general use.
Price Comparison
The price difference between the two lenses is significant, with the Canon RF45mm priced at $469.00 and the Meike 50mm at $159.99. This represents a difference of about $309, making the Meike lens approximately 66% cheaper. For budget-conscious photographers, the Meike offers a compelling alternative, especially for those who may not require the high-end specifications of the Canon lens. However, the investment in the Canon lens may yield greater long-term value for professionals seeking superior quality.
Which should you buy?
Choosing between the Canon RF45mm F1.2 STM and the Meike 50mm F1.8 boils down to your specific needs and budget. If you are a professional or serious enthusiast prioritizing low-light performance, image quality, and advanced autofocus, the Canon RF45mm is worth the investment. Conversely, if you're a beginner or casual photographer looking for a reliable yet affordable lens for portrait photography, the Meike 50mm offers great value. Ultimately, both lenses have distinct advantages that cater to different segments of the photography market.