Canon RF100- vs TTartisan
Updated July 2026 — Canon RF100- wins on stability and versatility, TTartisan wins on value and weight.
The Canon RF100-400mm offers superior zoom capabilities and advanced autofocus technology, making it ideal for serious photographers, while the TTartisan 27mm is a compact and budget-friendly option for everyday use.
Why Canon RF100- is better
Zoom Range
100-400mm vs 27mm
Autofocus
Advanced Nano USM vs basic autofocus
Stabilization
Optical Image Stabilizer vs none
Why TTartisan is better
Price
$699 vs $159.99
Portability
Compact pancake design vs larger size
Aperture
f/2.8 vs f/5.6-8
Overall score
Specifications
| Spec | Canon RF100- | TTartisan |
|---|---|---|
| Focal Length | 100-400mm | 27mm |
| Max Aperture | f/5.6-8 | f/2.8 |
| Image Stabilization | Yes | No |
| Autofocus Type | Nano USM | Basic AF |
| Compatibility | EOS R | Fuji X-mount |
Dimension comparison
Overview of the Canon RF100-400mm F5.6-8 is USM and TTartisan 27mm F2.8 Autofocus Lens
The Canon RF100-400mm F5.6-8 is USM is a versatile telephoto lens priced at $699.00, while the TTartisan 27mm F2.8 Autofocus Lens is a compact prime lens available for $159.99. The price difference between these two lenses is significant, with the Canon lens costing about 336% more than the TTartisan option. Each lens targets different photography needs, with the Canon lens designed for long-range shots and the TTartisan focusing on everyday shooting scenarios.
Target Audience and Usage Scenarios
The Canon RF100-400mm is ideal for wildlife, sports, and travel photography, providing a zoom range that allows photographers to capture distant subjects with ease. Its compact and lightweight design enhances portability, making it suitable for various shooting conditions. On the other hand, the TTartisan 27mm F2.8 is tailored for street, travel, and close-up photography. Its compact pancake form factor makes it a perfect carry-anywhere lens for casual shooters who prioritize convenience and portability in their camera gear.
Optical Performance
In terms of optical performance, the Canon RF100-400mm boasts a versatile zoom range of 100-400mm, making it highly adaptable for capturing subjects at various distances. The lens features an Optical Image Stabilizer that provides up to 5.5 stops of shake correction, which is particularly beneficial for handheld shooting in challenging conditions. Conversely, the TTartisan lens, with a maximum aperture of f/2.8 and a focal length equivalent of 41mm, is designed to perform well in low-light situations. It utilizes six elements in five groups to deliver sharp images while controlling chromatic aberrations, making it suitable for everyday photography.
Autofocus Capabilities
The Canon RF100-400mm features high-speed, smooth, and quiet autofocus facilitated by Canon’s Nano USM technology. This is crucial for capturing fast-moving subjects like wildlife or athletes, ensuring that the photographer does not miss critical moments. In contrast, the TTartisan 27mm offers autofocus with manual focus override, providing flexibility for photographers who prefer to take control over their focus settings. While both lenses support autofocus, the performance and technology behind the autofocus systems differ significantly, with Canon’s lens typically being more advanced and responsive.
Build Quality and Design
The Canon RF100-400mm is designed with a compact and lightweight profile, similar in size to the EF 70-300mm lens, making it an excellent choice for photographers who need a powerful zoom without the bulk. It also features a control ring for quick adjustments to settings like shutter speed and aperture. The TTartisan 27mm, known for its pancake design, measures less than 3cm thick, emphasizing portability and ease of use. This makes it an excellent choice for those who want a discreet lens for everyday photography without sacrificing image quality.
Price and Value Proposition
The Canon RF100-400mm is priced at $699.00, which may be seen as an investment for serious photographers looking for a high-quality telephoto lens. The TTartisan 27mm, priced at $159.99, offers a more budget-conscious option that doesn't compromise on quality. The price difference of about $539 suggests that the Canon lens is targeted towards a more professional market, while the TTartisan appeals to casual photographers and enthusiasts seeking a reliable yet affordable lens.
Compatibility and Versatility
The Canon RF100-400mm is designed specifically for EOS R series cameras and is compatible with both RF1.4x and RF2x tele extenders, allowing for even greater focal lengths of up to 800mm. This versatility makes it a robust choice for photographers who need flexibility in their shooting range. The TTartisan 27mm is compatible with a wide array of Fuji X-mount cameras, making it a versatile option for users of those systems. However, it lacks the extensive compatibility with extenders that the Canon lens offers, limiting its flexibility for long-distance shooting.
Which should you buy?
Choosing between the Canon RF100-400mm F5.6-8 is USM and the TTartisan 27mm F2.8 Autofocus Lens ultimately depends on your photography needs. If you require a powerful telephoto lens for wildlife or sports photography, the Canon lens, despite its higher price, offers superior zoom capabilities and advanced autofocus technology. Conversely, if you’re looking for a lightweight and portable lens for everyday photography, the TTartisan lens provides excellent value at a significantly lower price. Consider your specific use cases and budget before making a decision.

