Canon RF45mm F1.2 STM vs Nikon NIKKOR Z
Updated July 2026 — Canon RF45mm F1.2 STM wins on weight and length, Nikon NIKKOR Z wins on price and sharpness.
The Canon RF45mm F1.2 STM offers a wider aperture and lower price, making it a great choice for budget-conscious photographers, while the Nikon NIKKOR Z 50mm f/1.8 S excels in sharpness and quiet focusing.
Why Canon RF45mm F1.2 STM is better
Price
Canon is $98 cheaper than Nikon.
Aperture
Canon has a wider f/1.2 aperture.
Bokeh
Canon provides a creamier bokeh effect.
Why Nikon NIKKOR Z is better
Sharpness
Nikon offers superior sharpness across the frame.
Focusing
Nikon features a silent focusing mechanism.
Compatibility
Nikon is compatible with F Mount lenses.
Overall score
Specifications
| Spec | Canon RF45mm F1.2 STM | Nikon NIKKOR Z |
|---|---|---|
| Brand | Canon | Nikon |
| Model | RF45mm F1.2 STM | NIKKOR Z 50mm f/1.8 S |
| Focusing | Standard | Ultra-quiet |
| Compatibility | RF Mount | Z Mount + FTZ |
| Distortion | Low | Virtually zero |
Dimension comparison
Overview of the Canon RF45mm F1.2 STM and Nikon NIKKOR Z 50mm f/1.8 S
The Canon RF45mm F1.2 STM is priced at $469.00, making it about 17% cheaper than the Nikon NIKKOR Z 50mm f/1.8 S, which retails for $566.95. Both lenses serve as excellent choices for photographers seeking high-quality prime lenses, but they cater to different needs and preferences. The Canon lens offers an ultra-wide aperture of f/1.2, while the Nikon provides a slightly narrower f/1.8 aperture, with each lens boasting unique features that enhance the user experience.
Design and Build Quality
In terms of design, the Canon RF45mm F1.2 STM features a compact and lightweight structure that is ideal for creators looking for portability. Its large-diameter mount and short back focus combine to create an efficient yet robust lens design. Conversely, the Nikon NIKKOR Z 50mm f/1.8 S is notable for its slim unibody design, which enhances its portability while also being built for durability. Both lenses are designed to be user-friendly, but the Canon’s design focuses on maximizing the benefits of its large aperture, making it particularly appealing for portrait photography.
Optical Performance
The Canon RF45mm F1.2 STM stands out with its f/1.2 aperture, allowing for faster shutter speeds in low-light situations, which is a significant advantage for evening or indoor shoots. It also utilizes a PMo aspheric lens that reduces aberrations, a first for Canon in a lens of this aperture, enhancing image quality. On the other hand, the Nikon NIKKOR Z 50mm f/1.8 S excels in sharpness and virtually zero distortion, even when shooting wide open at f/1.8. This lens is particularly suited for those who prioritize detail across the entire frame, making it an excellent choice for both stills and video.
Bokeh and Low-Light Performance
Both lenses excel in their ability to create beautiful bokeh, but they do so in different ways. The Canon RF45mm F1.2 STM's wide aperture of f/1.2 allows for a creamy and three-dimensional bokeh effect, effectively isolating subjects from their backgrounds. This feature is especially useful for portrait photography, where subject isolation is key. Meanwhile, the Nikon NIKKOR Z 50mm f/1.8 S also offers beautiful bokeh, enhanced by its advanced optical design and low-light capabilities. It is designed to provide superior performance in challenging lighting conditions, making it a versatile option for various shooting scenarios.
Focusing Mechanism
The Canon RF45mm F1.2 STM features a standard focusing system, which is effective for most photography needs. However, the Nikon NIKKOR Z 50mm f/1.8 S includes a new ultra-quiet stepping motor for silent focusing, making it particularly advantageous for video work where noise reduction is critical. This feature sets the Nikon apart for filmmakers who require discreet operation. While both lenses deliver reliable focusing, the Nikon clearly has the upper hand for those who prioritize quiet performance during filming.
Pricing and Value
The Canon RF45mm F1.2 STM is priced at $469.00, while the Nikon NIKKOR Z 50mm f/1.8 S is available for $566.95, marking a significant price difference of about $98. This makes the Canon lens a more attractive option for budget-conscious photographers who still want the benefits of a large aperture. However, the Nikon’s additional features and optical performance may justify the higher price for professionals or those seeking specific capabilities.
Compatibility and Versatility
The Canon RF45mm F1.2 STM is designed specifically for the Canon RF mount system, ensuring optimal performance with Canon mirrorless cameras. The Nikon NIKKOR Z 50mm f/1.8 S is also designed for Nikon's Z series cameras but offers the added benefit of compatibility with F Mount NIKKOR lenses through the FTZ Mount Adapter (sold separately). This versatility makes the Nikon lens a great option for users who may have existing F Mount lenses and want to leverage their investment.
Which should you buy?
Deciding between the Canon RF45mm F1.2 STM and the Nikon NIKKOR Z 50mm f/1.8 S ultimately comes down to your specific needs and budget. If you prioritize a wider aperture for low-light shooting and beautiful bokeh at a more affordable price, the Canon lens is an excellent choice. However, if you seek superior sharpness, a quiet focusing mechanism, and compatibility with a broader range of lenses, the Nikon may be worth the extra investment. Both lenses offer exceptional quality, but your choice will depend on the features that matter most to your photography style.

