The Canon EOS Rebel SL3 is an excellent choice for an inexpensive camera that can capture professional-looking senior photos. With its portable and lightweight design, the Rebel SL3 is easy to take on the go, making it ideal for capturing spontaneous moments. The camera boasts a 24.1-megapixel CMOS sensor and DIGIC 8 image processor, which provide impressive image quality and low-light performance. Additionally, the wide range of lens options available for the Rebel SL3 allows for greater creative flexibility when composing your shots.
Another strong contender is the Nikon D3500, which is a highly capable entry-level DSLR that can be found online at affordable prices. The D3500 features a 24.2-megapixel sensor, 5 frames per second continuous shooting, and a user-friendly interface, making it a great choice for beginner photographers. The extensive lens selection for the Nikon DSLR system also provides ample opportunities to experiment with different focal lengths and styles of photography.