Canon RF100- vs Panasonic LUMIX G VARIO 45-
Updated July 2026 — Canon RF100- wins on zoom and stabilization, Panasonic LUMIX G VARIO 45- wins on price.
The Canon RF100-400mm offers superior optical performance and a longer zoom range, making it ideal for professional use, while the Panasonic LUMIX G VARIO 45-150mm is a budget-friendly option for everyday photography.
Why Canon RF100- is better
Zoom Range
Canon offers a 100-400mm range compared to Panasonic's 45-150mm.
Optical Quality
Canon's Ultra Low Dispersion lens minimizes chromatic aberration.
Stabilization
Canon provides up to 6 stops of stabilization with compatible cameras.
Why Panasonic LUMIX G VARIO 45- is better
Price
Panasonic is significantly cheaper at $299.99.
Weight
Both are lightweight, but Panasonic is more compact.
Video Use
Panasonic's near-silent focusing is ideal for videography.
Overall score
Specifications
| Spec | Canon RF100- | Panasonic LUMIX G VARIO 45- |
|---|---|---|
| Focal Length | 100-400mm | 45-150mm |
| Aperture | F5.6-8 | F4.0-5.6 |
| Image Stabilization | 5.5-6 stops | Mega O.I.S. |
| Autofocus | Nano USM | Stepping Motor |
| Lens Elements | 1 ULD | 12 elements |
Dimension comparison
Overview of the Canon RF100-400mm and Panasonic LUMIX G VARIO 45-150mm
The Canon RF100-400mm F5.6-8 is USM is priced at $699.00, while the Panasonic LUMIX G VARIO 45-150mm F4.0-5.6 ASPH is significantly cheaper at $299.99, making it about 57% less expensive. Both lenses cater to different photography needs, with the Canon lens offering a longer zoom range ideal for wildlife and sports, while the Panasonic lens serves well for everyday photography with its versatile medium zoom range.
Design and Build Quality
The Canon RF100-400mm boasts a compact and lightweight design, which is essential for photographers who need portability without sacrificing quality. This lens is particularly suited for use with EOS R series cameras, offering a form factor that is similar in size to the EF 70-300mm lens. In contrast, the Panasonic LUMIX G VARIO 45-150mm also emphasizes a lightweight construction, making it a great option for mirrorless camera users. Its multi-coated lens elements contribute to high optical performance by reducing ghosting and flare. Both lenses are designed for ease of use during extended shooting sessions.
Optical Performance
The Canon RF100-400mm excels in optical performance with its Ultra Low Dispersion lens element that minimizes chromatic aberration throughout its zoom range. This lens provides sharp, colorful images even at maximum zoom. On the other hand, the Panasonic LUMIX G VARIO 45-150mm includes 12 elements in 9 groups, featuring one UHR lens and two aspherical lenses that enhance image resolution and contrast. While both lenses provide excellent optical quality, the Canon lens's longer focal length gives it an edge in scenarios requiring greater detail from a distance.
Image Stabilization
The Canon RF100-400mm features an Optical Image Stabilizer that corrects up to 5.5 stops of camera shake and up to 6 stops when paired with EOS R series cameras that have In-Body Image Stabilization (IBIS). This makes it particularly effective for handheld shooting in low-light conditions. In comparison, the Panasonic LUMIX G VARIO 45-150mm comes with Panasonic's Mega O.I.S., allowing for stable shots even in low-light situations. While both systems enhance the shooting experience, the Canon lens offers slightly more advanced stabilization capabilities when paired with compatible cameras.
Focusing Mechanism
The Canon RF100-400mm includes Canon’s Nano USM technology, which provides high-speed, smooth, and quiet autofocus. This is especially beneficial for wildlife and sports photographers who need to capture fast-moving subjects without disturbing them. The Panasonic LUMIX G VARIO 45-150mm, however, utilizes a stepping motor for near-silent focusing, making it a suitable choice for videography as well as photography. While both lenses feature effective focusing systems, the Canon lens may have an advantage in terms of speed and accuracy for dynamic subjects.
Usability and Convenience
The Canon RF100-400mm is designed with user convenience in mind, featuring a control ring for quick adjustments to settings like shutter speed and aperture. This allows photographers to adapt quickly to changing conditions. The Panasonic LUMIX G VARIO 45-150mm also offers a user-friendly experience, particularly with its inner focus system that enables excellent resolution from full life-size magnification to infinity. Both lenses prioritize usability, but the Canon's additional control features may appeal more to advanced users.
Price Comparison
At $699.00, the Canon RF100-400mm is significantly more expensive than the Panasonic LUMIX G VARIO 45-150mm, which retails for $299.99. This represents a price difference of about $399, or approximately 57%. For photographers on a budget or those who engage in casual photography, the Panasonic lens offers a compelling value without compromising essential quality. However, for professional photographers or those who require advanced features and longer focal lengths, the Canon may justify its higher price.
Which should you buy?
The decision between the Canon RF100-400mm and the Panasonic LUMIX G VARIO 45-150mm hinges on your specific photography needs and budget. If you require a longer zoom range, superior optical performance, and advanced stabilization, the Canon lens is worth the investment. However, if you're looking for a budget-friendly option that excels in everyday shooting with good optical quality, the Panasonic lens is an excellent choice. Ultimately, both lenses serve distinct purposes and cater to different segments of the photography market.

