What is the shutter life of the micro-single?

Generally, the service life of entry-level SLR shutters is about 50,000 times, and that of mid-range or advanced cameras is 6,543,800 times or even 6,543,800 times or more.

Micro-shutter and single-shutter components are similar to SLR. At present, these products are basically low-end entry-level products, and the shutter life should be around 50 thousand times. It costs about 500 pounds to replace the shutter assembly.

However, it should be noted that the micro single shutter has to be opened and closed twice, which is equal to the life of the SLR.

Micro-camera is a cross-border product of digital SLR camera and card machine. Its main structural feature is that there are no mirrors and prisms. "Micro-single" is a trademark of Sony. 20 10 in June, Sony first launched the "micro-single" cameras NEX-5 and NEX-3.

"Micro-camera" has the characteristics of portability, professionalism and fashion. The target customers of micro-cameras are mainly those who want to get very good picture expression on the one hand and portability of compact digital cameras on the other.

The difference between micro-electricity and single electricity

Micro-single is the registered name of Sony in China, which means micro single-mirror non-reflective electronic viewfinder camera. Famous ones are Sony's NEX series and Panasonic's GF series. SingleLensTranslucent refers to a single-lens electronic viewfinder camera, which is almost the same as SLR in appearance, but it uses semi-lens technology instead of SLR reflector to improve video shooting and continuous shooting ability; The biggest difference between a single camera and a SLR is that the reflector is replaced by a half lens, and the position of the focusing system is moved from the bottom of the camera to the top of the camera. Through the electronic viewfinder (EVF) to achieve real-time viewing, what you see is what you get.

Origin of technology

The history of micro-human development proves that no technology can be brilliant forever. In the film age, film, a medium for storing images, must be strictly protected from light leakage when shooting.

However, in the digital age, the situation has changed fundamentally-CCD is not afraid of light leakage. It can be used not only for framing, but also for imaging after clearing. Therefore, the necessity of reflector is greatly reduced. Its working principle determines that reflector framing is not suitable for digital photography. There is no need to keep the mechanical part-reflector on the digital camera that can be completely electronic.

Although people can tolerate the bulky and complicated structure of the reflector, because they can both watch through the lens and protect the film from light leakage, in today's digital age, because the image sensor is not afraid of light leakage, the existence of the reflector is no longer necessary. With the improvement of electronic viewing technology, the clarity and brightness of electronic viewing will be good enough to replace the reflector sooner or later.