在500万和700万像素相继成为市场主流的2005年,在佳能A75和 A85停产后,佳能推出了替代产品:300／400万像素的A510／A520(除了像素差别,其他基本一致)两台A系列实用型低端机型,其中A520 的特点在于机身体积和重量都有一定程度上的降低,设计更具流线型, 外观更加时尚,光学变焦也改为了4倍,其他并不无特别之处。 After 5 million and 7 million pixels have become the mainstream market in 2005, Canon discontinued the A75 and A85, Canon introduced an alternative: 300/400 megapixel A510 / A520 (except the pixel difference, the other basically the same) two A Series of practical low-end models, including A520 features is the body size and weight are reduced to some extent, more streamlined design, the appearance of more stylish, optical zoom is also changed to 4 times, the other is not no special .