: Test the memory card slots, HDMI ports, and USB connections to ensure they are not loose or corroded.
When evaluating a used camera, prioritize these factors to determine its remaining lifespan: buy used digital camera
: Inspect the sensor for scratches, "dead pixels," or persistent dust. Taking a photo of a plain white wall at a narrow aperture (like ) can help reveal hidden spots or smears. : Test the memory card slots, HDMI ports,