In response to the prevalence of digital streaming, the term microfilm is also present in your life. Microfilm is actually a so-called short film, which means that the production cost is not too big, and it is very suitable for mobile devices to watch online streaming video. Therefore, it is not necessary to make equipment that is too expensive in production. Instead, it is easier to resonate with the short film that is taken by hand, and the most convenient photographic equipment at hand, then it is not a smart mobile phone.
When shooting a film, the most fear is that the film makes the viewer look uncomfortable because of the shaking of the photographic equipment. The mobile phone accessory to be introduced today is the product Stabil-i which greatly enhances the stability of mobile phone photography.
The Stabil-i is constructed with a mobile phone back cover that stabilizes the center of gravity of the body, and a single point handle that keeps the phone and the center of gravity hammer stable. By focusing on the gravity of the hammer, you can keep your phone level. With a single point handle, there is more free space to play when shooting the scene.
In fact, similar photographic stabilization systems use the same concept to stabilize shooting quality on large photographic equipment, especially for flying photography. So the implementation of the same concept on the phone is actually a very good conversion, and finally look at the official film provided by Stabil-i!
The optical module (optical module) is composed of optoelectronic devices, functional circuits and optical interfaces. The optoelectronic device includes two parts: transmitting and receiving.
Simply put, the function of the optical module is to convert the electrical signal into an optical signal at the transmitting end, and after transmitting through the optical fiber, the receiving end converts the optical signal into an electrical signal.
The optical module is an optoelectronic device that performs photoelectric and electro-optical conversion. The transmitting end of the optical module converts electrical signals into optical signals, and the receiving end converts optical signals into electrical signals. Optical modules are classified according to the packaging form. Common ones include SFP, SFP+, SFF, Gigabit Ethernet Interface Converter (GBIC), etc.
The transmitting part is: the electrical signal with a certain code rate is processed by the internal drive chip and then drives the semiconductor laser (LD) or light-emitting diode (LED) to emit the modulated light signal of the corresponding rate. The internal optical power automatic control circuit makes The output optical signal power remains stable.
The receiving part is: the optical signal of a certain code rate is input into the module and then converted into an electric signal by the light detection diode, and the electric signal of the corresponding code rate is output after the preamplifier.
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