Sony Alpha A9 , dated 2017, is a Mirrorless camera whose workhorse is certainly the sensor it has. In fact, it is equipped with a 24.2 megapixel full-frasme format CMOS EXMOR RS sensor that has a backlit layer structure and is equipped with an incorporated memory which has the purpose of memorizing, albeit in a temporary way, large quantities of data in the internal memory so as to increase the reading speed. A9 has a solid machine body made of magnesium alloy, synonymous with quality and resistance; The adjustable display is 3 inches and equipped with touchscreen technology, with a resolution of 1.44m points. The 0.5 -inch OLED sights and a resolution of 3.68m points, is comfortable and reactive characteristics that are helpful to the photographer. The large range of ISO values ​​(50 and 204800), with very low disorder levels, allow the use of this camera even in low light conditions. A value recognized by anyone who uses this Mirrorless is certainly its silent functioning; In fact, thanks to the electronic painting shower paintage of which it is equipped with, this Mirrorless allows you to take photos without producing any type of noise and this gives the opportunity to act in complete anonymity. Another novelty to mention is the new focus engine: Sony Alpha A9 uses an AF system with a phase detection of 693 points which are equivalent to a 93% coverage of the shot area. Ideal for: thanks to the electronic shutter of which it is equipped that allows you to take photos without noises and vibrations, sony alpha a9 is the ideal camera for sports or naturalistic photography.