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Canon RF45mm F1.2 STM vs PANASONIC LUMIX S Series Camera Lens,

Updated July 2026 — Canon RF45mm F1.2 STM wins on versatility, PANASONIC LUMIX S Series Camera Lens, wins on price and video.

The Canon RF45mm F1.2 STM offers superior low-light performance and is more budget-friendly, while the Panasonic LUMIX S 85mm F1.8 excels in video capabilities and ruggedness.

Why Canon RF45mm F1.2 STM is better

Price

Canon is $129 cheaper than Panasonic.

Aperture

Canon has a wider f/1.2 aperture.

Versatility

Canon is suitable for a wider range of photography styles.

Why PANASONIC LUMIX S Series Camera Lens, is better

Video Performance

Panasonic excels in video recording.

Ruggedness

Panasonic is dust and splash resistant.

Bokeh Quality

Panasonic provides smooth defocus gradation.

Overall score

Canon RF45mm F1.2 STM
85
PANASONIC LUMIX S Series Camera Lens,
78

Specifications

SpecCanon RF45mm F1.2 STMPANASONIC LUMIX S Series Camera Lens,
Focal Length45mm85mm
CompatibilityRF MountL Mount
Weight0.5 lbs0.6 lbs
RuggednessNoYes
BokehGoodExcellent

Dimension comparison

Canon RF45mm F1.2 STMPANASONIC LUMIX S Series Camera Lens,

Overview of the Canon RF45mm F1.2 STM and Panasonic LUMIX S 85mm F1.8

When comparing the Canon RF45mm F1.2 STM and the Panasonic LUMIX S 85mm F1.8, it's clear that both lenses cater to distinct needs and preferences among photographers. The Canon RF45mm F1.2 STM is priced at $469.00, making it about 17% cheaper than the Panasonic LUMIX S 85mm F1.8, which retails for $597.99. Both lenses offer impressive features, but their focal lengths and intended uses differentiate them significantly.

Build Quality and Design

The design quality of both lenses reflects the brands' commitment to durability and usability. The Panasonic LUMIX S 85mm F1.8 boasts a rugged design that is dust and splash resistant, ensuring it can withstand harsh conditions, even at temperatures as low as 14 degrees Fahrenheit. This feature makes it an excellent choice for outdoor photography. In contrast, the Canon RF45mm F1.2 STM lens is compact and lightweight, which enhances its portability but does not emphasize ruggedness. The choice here depends on whether the user prioritizes a lens that can endure challenging environments or one that is easy to carry.

Aperture and Low-Light Performance

The Canon RF45mm F1.2 STM offers an impressive f/1.2 aperture, allowing for faster shutter speeds, especially in low-light situations. This capability is particularly beneficial for portrait and lifestyle photography, where background blur can enhance the subject's prominence. Meanwhile, the Panasonic LUMIX S 85mm F1.8 has a slightly narrower aperture of f/1.8, which still provides beautiful bokeh and smooth defocus gradation, but may not perform as effectively in very low-light scenarios compared to the Canon lens. Thus, for those who often shoot in dim conditions, the Canon lens may be more appealing.

Versatility in Photography

For versatility in various photography styles, the Panasonic LUMIX S 85mm F1.8 excels with its large aperture that enhances portrait photography, providing a beautiful bokeh effect. This feature gives photographers creative flexibility in their shots. Conversely, the Canon RF45mm F1.2 STM is also versatile, suitable for capturing a wide range of subjects, from portraits to everyday narratives, thanks to its effective distortion correction and three-dimensional look. Ultimately, both lenses cater to portrait photography but may appeal to different styles and preferences regarding focal length.

Video Performance

When it comes to video recording, the Panasonic LUMIX S 85mm F1.8 has noteworthy advantages, particularly its mechanism that suppresses focus breathing, a common issue with interchangeable lenses designed for still photography. This makes it a strong contender for videographers looking for smooth transitions in focus. The Canon RF45mm F1.2 STM does not highlight any specific video capabilities, making the Panasonic lens a more attractive option for those prioritizing video performance.

Focal Length Differences

The focal lengths of the two lenses set them apart distinctly. The Canon RF45mm F1.2 STM, with its standard 45mm focal length, is ideal for everyday shooting and offers a more natural perspective. On the other hand, the Panasonic LUMIX S 85mm F1.8, as a medium-telephoto lens, is particularly suited for portraiture, allowing photographers to maintain a comfortable distance from their subjects while still capturing stunning details. The choice between these lenses will depend on whether the photographer leans more towards versatility or specialized portrait work.

Price Comparison

At $469.00, the Canon RF45mm F1.2 STM is a more budget-friendly option compared to the Panasonic LUMIX S 85mm F1.8, priced at $597.99. This price difference of about $129 makes the Canon lens a compelling choice for those who want high-quality performance without breaking the bank. However, the price reflects not just the cost but also the features and performance level. Buyers should consider what features they value most and whether the additional cost of the Panasonic lens aligns with their specific photography needs.

Which should you buy?

Deciding between the Canon RF45mm F1.2 STM and the Panasonic LUMIX S 85mm F1.8 ultimately depends on your photography style and needs. If you prioritize low-light performance, versatility, and a more economical option, the Canon RF45mm F1.2 STM is an excellent choice. However, if you’re looking for a lens that excels in video performance and ruggedness, and you can accommodate the higher price, the Panasonic LUMIX S 85mm F1.8 may be better suited for you. Each lens has its advantages, so consider your specific requirements before making a decision.