E is SONY's E-mount, a dedicated lens for mirrorless cameras.

PZ is an electric zoom that can be zoomed manually or automatically like digital. (Zoom)

OSS is lens anti-shake

16-50 is the focal length of the lens, covering the focal length between 16MM-50mm. Its zoom magnification is 50÷16≈3.1 times.

3.5-5.6 is the maximum aperture value, which means that the aperture is floating (changing) between the 16-50mm focal length. The maximum aperture is F3.5 at 16mm and F5.6 at 50mm

The history of human development proves that no technology can be brilliant forever. In the film era, film, the medium for storing images, must be strictly protected from light leakage during framing. However, in the digital age, the situation has fundamentally changed - CCD is not afraid of light leakage. It can be used for viewfinding, and can also be used for imaging after clearing. Therefore, the necessity of the existence of a reflector has been greatly reduced. Its working principle determines that the viewfinder of a reflector is not suitable for digital photography. On an electronic digital camera, there is no need to retain a mechanical component - the reflector. Although people can tolerate the bulky and complicated structure of the reflector because it can take into account the ability to view the view through the lens and protect the film from light leakage, the characteristics of image sensors in today's digital era that are not afraid of light leakage make the existence of reflectors no longer necessary. , with the improvement of electronic viewfinder technology, one day, the clarity and brightness of electronic viewfinder will be good enough to replace the reflector. Therefore, in theory, a single-lens camera can have almost all the advantages of a single-lens reflex camera - better image quality, greater depth of field, and interchangeable lenses. Once demand breaks out, such problems will definitely be solved, and the size of a single-lens camera This is an advantage that SLRs can never catch up with.

Before Sony launched a "mirror-less" camera, consumer electronics giants such as Olympus, Panasonic, and Samsung had already launched mirrorless products that used electronic viewfinders and could replace lenses like a SLR. It's called a "single electric camera". Hidehiko Teyogi, director of Sony's Personal Audio and Video Division, said that "Micro-Single" is a trademark specifically targeted at the Chinese market, and its products have been given two meanings: micro and SLR: the camera is micro, compact, portable, and can be replaced like a SLR camera. lens and provides the same image quality as an SLR camera.