Canon RF 75- vs TTARTISAN
Updated July 2026 — Canon RF 75- wins on focal range and weight, TTARTISAN wins on portability and aperture.
The Canon RF 75-300mm lens excels in versatility and image quality, making it ideal for dynamic photography. The TTARTISAN 40mm f2 lens is a great budget-friendly option for low-light and portrait photography.
Why Canon RF 75- is better
Versatility
Canon lens offers a wide focal range for various photography styles.
Image Quality
Canon lens optimized for sharpness and clarity.
Autofocus
Canon lens has responsive autofocus for fast-moving subjects.
Why TTARTISAN is better
Price
TTARTISAN lens is significantly cheaper.
Weight
TTARTISAN lens is lighter and more portable.
Low Light
TTARTISAN lens performs better in low-light conditions.
Overall score
Specifications
| Spec | Canon RF 75- | TTARTISAN |
|---|---|---|
| Focal Length | 75-300mm | 40mm |
| Aperture | f/4-5.6 | f/2 |
| Weight | 1 lb | 167g |
| Min Focus | 4.9 ft | 1.3 ft |
| Autofocus Type | DC Motor | STM Motor |
Dimension comparison
Overview
When comparing the Canon RF 75-300mm f/4-5.6 Lens and the TTARTISAN 40mm f2 Lens for Z Mount, the first takeaway is that they cater to different photography needs. The Canon lens is a telephoto zoom lens ideal for capturing distant subjects, while the TTARTISAN is a compact prime lens designed for portraits and low-light situations. Priced at $253.95, the Canon lens offers versatility and reach, whereas the TTARTISAN lens is more budget-friendly at $168.00, making it approximately 17% cheaper.
Design and Build Quality
The Canon RF 75-300mm features a lightweight design, weighing just over 1 lb, which enhances its portability for various photography genres such as sports and wildlife. In contrast, the TTARTISAN 40mm f2 is crafted from premium 5052 aerospace aluminum, weighing only 167g, making it incredibly portable. This ultra-lightweight design allows users to carry it effortlessly for everyday photography. While both lenses are designed for ease of use, the TTARTISAN's compact size and metal construction may appeal to photographers seeking durability without added weight.
Focal Length and Aperture
The Canon RF 75-300mm offers a versatile focal range of 75-300mm, making it an excellent choice for capturing distant subjects, equivalent to 120-480mm on APS-C cameras. Its variable aperture of f/4-5.6 balances reach with portability. On the other hand, the TTARTISAN 40mm f2 lens provides a fixed focal length of 40mm, which is ideal for portraits and street photography, offering a full-frame angle of view of 57°. The bright f/2 aperture excels in low-light environments, making it suitable for night photography. The choice between these lenses ultimately depends on whether you need the versatility of a telephoto zoom or the low-light performance of a prime lens.
Autofocus Performance
The autofocus capabilities of both lenses differ significantly. The Canon RF 75-300mm utilizes a DC motor for autofocus, delivering responsive and accurate focusing performance suitable for stills and video. This is particularly beneficial for fast-moving subjects like sports and wildlife. In contrast, the TTARTISAN 40mm f2 features an advanced STM motor along with face and eye tracking, ensuring smooth focus transitions with minimal breathing during video capture. While both lenses offer effective autofocus, the specific needs of your photography—whether action shots or portraiture—will dictate which lens is more suitable.
Image Quality
In terms of image quality, the Canon RF 75-300mm is optimized for sharpness and clarity, incorporating Canon’s Super Spectra Coating to reduce lens flare and ghosting. This ensures high contrast and color fidelity, even in challenging lighting conditions. The TTARTISAN 40mm f2 lens also promises impressive image quality, with a bright aperture that enhances clarity and color reproduction in low-light scenarios. While the Canon lens excels in distant subjects and maintaining image quality across a zoom range, the TTARTISAN provides excellent performance for close-up and portrait shots.
Versatility and Use Cases
The versatility of the Canon RF 75-300mm f/4-5.6 lens makes it suitable for a wide range of photography styles, including sports, wildlife, and travel photography. Its 4.9' minimum focus distance allows for semi-macro shots, adding to its multifunctional appeal. Conversely, the TTARTISAN 40mm f2 is tailored for more specialized uses such as portraits and street photography, thriving in environments where low light is a factor. Depending on your photography style, one lens will be distinctly better suited to your needs than the other.
Price and Value
The Canon RF 75-300mm lens is currently priced at $253.95, while the TTARTISAN 40mm f2 lens is available for $168.00. This price difference of about $85 emphasizes the cost-effectiveness of the TTARTISAN lens, which is approximately 33% less expensive. For photographers on a budget or those who prioritize compactness and low-light performance, the TTARTISAN lens offers excellent value. However, for those who frequently shoot distant subjects or require a versatile zoom lens, the investment in the Canon lens may be justified.
Which should you buy?
Choosing between the Canon RF 75-300mm f/4-5.6 Lens and the TTARTISAN 40mm f2 Lens for Z Mount ultimately hinges on your specific photography needs. If you require a versatile telephoto zoom lens for dynamic subjects like sports and wildlife, the Canon RF 75-300mm is the superior choice, offering an expansive focal range and excellent image quality. Conversely, if you seek a lightweight, budget-friendly option that excels in low-light conditions and is perfect for portraits, the TTARTISAN 40mm f2 is the way to go. Each lens has its strengths, making your decision dependent on the types of photography you intend to pursue.

