The Galaxy M23 uses a fairly classic triple photo module, combining a wide-angle and an ultra-wide-angle, but also a more anecdotal 2 Mpx sensor, dedicated to macro.
Main module: 50 megapixels, f/1.8
Like most current smartphones, the Galaxy M23 offers pixel grouping and combine four pixels into one to deliver 12.5-megapixel shots. The images thus obtained are of correct quality in good light. The distortion is contained in the periphery of the image, and the level of detail is correct in the center. The sharpness is however less satisfactory than on the image of the Redmi Note 11 5G, which suffers from less smoothing and better restores the contours of small elements.
At night, the result is not great, the fault of a very present digital noise. The details are unfortunately scrambled, but less than with its counterpart from Xiaomi.
Ultra wide-angle module: 8 megapixels, f/2.2
The ultra wide-angle offers a better controlled colorimetry than that of the Redmi Note 11 Pro 5G, with better rendered contours, at least for the largest elements. On the other hand, you have to deal with a very marked distortion all around the image, which automatic cropping after the shot is not enough to erase.
The night results are unfortunately mediocre, damaging both with significant digital noise and color desaturation which add to the distortion mentioned above.
Front module, portrait and video mode
Selfies are provided by an 8-megapixel front sensor flanked by an optic opening at f / 2.2. The results are correct, but still lack sharpness and show a very present smoothing. This module is compatible with a customizable bokeh portrait mode, as well as the back camera. The clipping is aggressive if the setting defined by default is used, and lacks precision.
Finally, note that the smartphone can shoot up to 4K at 30 frames per second (Full HD at 30 fps at ultra wide-angle) allowing you to produce videos of acceptable quality.