With its two (approx.) 4 megapixel (Mpx) sensors placed side by side for a 180° field of view, the Argus 4 Pro delivers images of (approx.) 8 Mpx, something Reolink hesitated to highlight before 4K. does not And why not a 5K?! The definition certainly goes up to 5120 x 1440 pixels, but we’re a long way from video standards that have images that wide. Definition is also no higher than a “traditional” 2K camera in terms of height, just like the viewing angle (50°). The wide field of vision projected horizontally is no less admirable, but it creates a single aspect ratio and isn’t necessarily practical when it comes to viewing images on a smartphone.
If the Argus 4 Pro is responsible for combining the images from its two sensors, small adjustments are possible to prevent them from overlapping and centering the readability. Reolink also offers adjustment of frame rate and bit rate for two video profiles designed for viewing brightness, light and dark tones of images: sharp (1536 x 432 pixels) and smooth (5120 x 1440 pixels). It is impossible here to affect the quality and weight of the recording. A night mode is planned, but Reolink has opted to do without infrared vision to push its ColorX technology. It will display colors in low light, but needs the help of spotlights in complete darkness. Under these conditions it is impossible to obtain clear images without light in the visible spectrum.
By day
The Argus 4 Pro doesn’t really shine when faced with our test scenes. Apart from the slightly crushed rendering across the width, its images are a bit blurry, even if we get very fine elements like color points on white and black backgrounds, which the Ezviz HB8 2K+ fails to render all of them. is Overall, however, the latter provides much sharper and more detailed images.
At night
Once our projectors are turned off, the Argus 4 Pro turns itself back on after 3 seconds. The camera then delivers colorful images, but still not very sharp. The quality is still below a mark that can be observed in daylight, while the level of detail on the Ezviz camera’s images remains very good, whether using its infrared vision or its projector.
But while the Reolink camera struggled to convince when filming our scenes, it performed much better in our simulations. Our lab’s end-to-end motion detection and people recognition up to 7 meters away. Best of all, the Argus 4 Pro can detect faces up to 5 meters away, compared to 4 meters for the Ezviz camera.
