Canon RF100- vs TTARTISAN
Updated July 2026 — Canon RF100- leads on price and weight.
The Canon RF100-400mm excels in versatility and advanced features, while the TTARTISAN 40mm offers great value and portability.
Why Canon RF100- is better
Zoom Range
100-400mm zoom capability
Image Stabilization
Up to 6 stops of shake correction
Autofocus Speed
High-speed Nano USM autofocus
Why TTARTISAN is better
Price
Significantly lower at $168
Weight
Lightweight at 167g
Low Light
F/2 aperture for low-light performance
Overall score
Specifications
| Spec | Canon RF100- | TTARTISAN |
|---|---|---|
| Focal Length | 100-400mm | 40mm |
| Aperture | F5.6-8 | F2 |
| Autofocus | Nano USM | STM |
| Compatibility | EOS R | Nikon Z |
| Image Quality | High | Good |
Dimension comparison
Overview of the Canon RF100-400mm F5.6-8 IS USM
The Canon RF100-400mm F5.6-8 IS USM is a versatile telephoto lens priced at $699.00. This lens is ideal for wildlife and sports photography, offering a significant zoom range of 100-400mm. Its compact and lightweight design, paired with optical image stabilization, enables photographers to capture high-quality images with minimal shake. The RF100-400mm features a high-speed autofocus system utilizing Canon’s Nano USM technology, ensuring that even fast-moving subjects can be captured with precision.
The lens is constructed to be compatible with EOS R Series cameras, and when used with models featuring In-Body Image Stabilization (IBIS), it provides up to 6 stops of shake correction. This makes it a powerful tool for photographers looking to maintain image quality in various shooting conditions.
Overview of the TTARTISAN 40mm f2 Lens for Z Mount
The TTARTISAN 40mm f2 Lens for Z Mount is significantly more affordable at $168.00. This full-frame prime lens is designed for Nikon Z-mount cameras and offers a focal length that closely replicates human-eye vision. With a bright f/2 aperture, it excels in low-light situations, producing vivid colors and sharp details. Weighing only 167 grams, its ultra-portable metal build makes it a convenient option for photographers on the go.
Equipped with advanced autofocus capabilities, including face and eye tracking, the TTARTISAN lens ensures quick and accurate focus transitions, making it suitable for both videos and portrait photography. This lens is an excellent choice for those who prioritize portability without sacrificing image quality.
Image Quality Comparison
In terms of image quality, the Canon RF100-400mm F5.6-8 IS USM is designed to deliver high-resolution images with minimal chromatic aberration, thanks to its Ultra Low Dispersion lens element. Photographers can expect crisp and colorful images, especially at the maximum zoom length of 400mm. The optical image stabilization also helps improve image clarity by reducing motion blur.
On the other hand, the TTARTISAN 40mm f2 Lens shines in its ability to produce rich details and authenticity, particularly in low-light environments. Its f/2 aperture allows for stunning clarity, making it ideal for capturing intricate textures and natural scenes. While the RF100-400mm excels in versatility and zoom capability, the TTARTISAN lens offers exceptional performance in specific shooting scenarios, particularly for portraiture and street photography.
Autofocus Performance
The autofocus system of the Canon RF100-400mm is built for speed and accuracy, featuring Canon’s Nano USM technology. This allows for quick, smooth, and quiet focusing, which is essential for capturing fast-moving subjects such as wildlife or sports. With its advanced stabilization features, the lens ensures that autofocus performance remains reliable even in challenging conditions.
Conversely, the TTARTISAN 40mm f2 Lens also offers advanced autofocus performance, enhanced by its STM motor. The lens is particularly noteworthy for its face and eye tracking capabilities, making it well-suited for portrait photography and video work. While both lenses provide effective autofocus, the choice may depend on the specific needs of the photographer, with the Canon lens being a better option for dynamic subjects and the TTARTISAN excelling in controlled environments.
Portability and Build Quality
When it comes to portability, the TTARTISAN 40mm f2 Lens is a standout choice due to its lightweight design at just 167 grams. This makes it easy to carry during long shoots or while traveling, ensuring that photographers can bring it along without feeling burdened. The lens is crafted from premium 5052 aerospace aluminum, adding to its durability while maintaining a compact form.
In contrast, the Canon RF100-400mm, while still relatively lightweight for a telephoto lens, is bulkier than the TTARTISAN. However, its robust build is designed to withstand more demanding shooting conditions. For photographers who prioritize portability and ease of use in urban or casual settings, the TTARTISAN lens is preferable, while the Canon lens is better suited for serious wildlife or sports photography.
Price and Value
The Canon RF100-400mm F5.6-8 IS USM is priced at $699.00, making it a significant investment but one that offers extensive capabilities for serious photographers. Its advanced features and performance justify the price, particularly for those who require a reliable telephoto lens for diverse shooting scenarios.
In contrast, the TTARTISAN 40mm f2 Lens is priced at $168.00, which is about 76% cheaper than the Canon lens. This lower price point makes it accessible to a wider range of photographers, particularly those who may be just starting out or who need a reliable lens without the high cost. The value offered by the TTARTISAN lens is compelling, especially for those who appreciate the quality of a prime lens without the financial burden.
Which should you buy?
Choosing between the Canon RF100-400mm F5.6-8 IS USM and the TTARTISAN 40mm f2 Lens ultimately depends on your specific photography needs. The Canon lens is superior for those who require versatility, reach, and advanced image stabilization in wildlife or sports photography. Its robust features and high-quality construction make it a worthwhile investment for serious enthusiasts and professionals.
On the other hand, if you are looking for a lens that is lightweight, easy to carry, and excels in low-light conditions, the TTARTISAN 40mm f2 Lens is an excellent choice. It offers remarkable value for its price and is ideal for portrait and street photography. Each lens has its strengths, so consider your shooting style and budget when making your decision.

