VILTROX vs Canon RF16mm F2.8 STM Lens
Updated April 2026 — VILTROX wins on close focus, Canon RF16mm F2.8 STM Lens wins on value and portability.
$259.00Canon RF16mm F2.8 STM Lens, Ultra Wide-Angle, Fixed Focal Length Prime Lens, Compatible with EOS R Series Mirrorless Cameras, Black
Canon
$199.00VILTROX 14mm f4.0 FE, AF 14mm f/4 E Mount Full Frame Lens for Sony e-Mount, Prime Wide Angle Lens for Sony a6400 a6500 a6600 ZV-E10 FX30 A6700 a7C ZV-E10II a7Ⅲ a7RⅢ a7Ⅳ a7RⅣ
VILTROX
Product B offers a lower price point at $199.00 compared to Product A's $259.00, along with detailed optical specifications including a 112° field of view and 170g weight. Product A counters with higher magnification capabilities at 0.26x and specific video autofocus features. For budget-conscious buyers seeking detailed optical data, Product B is the preferable choice.
Why VILTROX is better
Higher Maximum Magnification
Product A offers 0.26x magnification versus unspecified for Product B
Video AF Specifics
Product A explicitly details smooth AF during video recording
Brand Recognition
Product A is listed under the Canon brand
Why Canon RF16mm F2.8 STM Lens is better
Lower Price Point
Product B costs $199.00 compared to Product A at $259.00
Confirmed Lightweight Design
Product B weighs 170g versus unspecified for Product A
Detailed Optical Construction
Product B specifies 12 elements in 9 groups
Wide Field of View
Product B offers a 112° field of view
Overall score
Specifications
| Spec | VILTROX | Canon RF16mm F2.8 STM Lens |
|---|---|---|
| Brand | Canon | VILTROX |
| Price | $259.00 | $199.00 |
| Maximum Aperture | f/2.8 | f/2.8 |
| Minimum Focus Distance | 5.11 inches | 0.13m |
| Maximum Magnification | 0.26x | null |
| Weight | null | 170g |
| Optical Elements | null | 12 elements |
| Field of View | null | 112° |
Dimension comparison
Design and build quality
Product A is described as supremely lightweight and compact for an ultra-wide lens designed for full-frame cameras. It features a stepping motor gear-type STM mechanism. Product B emphasizes a compact design with a confirmed weight of just 170g, positioning it as a portable companion for photographers. While Product A highlights its compact nature qualitatively, Product B provides specific weight data which aids in assessing portability for travel or handheld shooting scenarios.
Focal Length and Field of View
Product A is identified as an ultra wide-angle, fixed focal length RF lens. Specific millimeter focal length data is not provided in the features, though it is noted as Canon's first in this category. Product B specifies a Full Frame 14mm focal length with a huge 112° field of view. This specification allows for more content to fit within the frame, delivering spatial depth suitable for landscapes and architectural photography. The explicit field of view data gives Product B an advantage in clarity regarding coverage.
Autofocus Performance
Both lenses utilize STM motor technology. Product A features a stepping motor gear-type STM that provides smooth and quiet continuous AF during video recording. Product B is equipped with an STM motor that achieves fast and accurate autofocus performance, enabling smooth and natural focus transitions. Both descriptions suggest competence in autofocus, with Product A specifically highlighting video recording capabilities while Product B emphasizes natural transitions.
Optical Construction
Product A highlights high image quality and a bright, fixed f/2.8 maximum aperture. Specific element construction details are not provided in the available data. Product B details a 12 elements in 9 groups Optical Design. This includes 2 High Refractive elements, 4 Extra-low Dispersion elements, and 2 Aspherical elements. This combination is stated to minimize chromatic aberrations, distortion, and flare. The detailed breakdown of optical elements provides Product B with a transparency advantage regarding internal construction.
Close Focus and Magnification
Product A offers a minimum focusing distance of 5.11 inches and a maximum magnification of 0.26x. This allows for relatively close shooting capabilities. Product B lists a 0.13m Minimum Focusing Distance, which converts to approximately 5.1 inches. While the focusing distance is comparable, Product A explicitly states the maximum magnification ratio of 0.26x, providing clearer data on close-up reproduction capabilities compared to Product B which does not list magnification.
Battery life and efficiency
As passive optical devices, neither Product A nor Product B contains an internal battery or requires power to operate optical functions. Efficiency in this category is determined by the mechanical reliability of the autofocus motor and the durability of the build. Both utilize STM motors which are generally known for efficiency in power consumption when driven by the camera body. There is no differential in battery life as neither lens possesses this component.
Software and ecosystem
Neither Product A nor Product B requires dedicated software for operation. Compatibility is determined by the camera mount ecosystem. Product A is identified as an RF lens for full-frame cameras within the Canon ecosystem. Product B is listed with a Brand of VILTROX but titled as a Canon RF16mm lens, suggesting compatibility with the same mount system. There are no software features or app integrations associated with either physical lens product.
Price and value
Product A is priced at $259.00. Product B is priced at $199.00. Product B offers a lower entry cost while providing specific data on weight and optical construction. Product A commands a higher price point potentially due to brand positioning as a Canon branded item. For users prioritizing cost savings and verified specifications regarding weight and elements, Product B presents a stronger value proposition based on the provided data.