Continuous technological innovation and new product development

News

Set new goals and technological innovation with unwavering enthusiasm, expand product range

Home page

Corporate news

Trade news

Tips for measuring distance using a rangefinder

2023-04-28

The measuring distance of the rangefinder is related to the measuring target, because it is the principle of laser ranging, related to the effect of air quality and light.

VIEW ARTICLE

How far can binoculars see?

2023-04-28

Factor 1. Stability Stability when looking at things far away through a telescope

VIEW ARTICLE

Live Science: How to See ants 100,000 kilometers away with a Telescope?

2023-04-28

Assuming an ant is 1 mm long, then if viewed from 10,000 km away, the ant would be approximately 3 x 10−43 times 10^{-4} milliarcseconds!!!

VIEW ARTICLE

Bird-watching binoculars

2023-04-28

Why not find the range? It must be mounted with a tripod or it will wobble so that you can't see it at all. Tripods are expensive and not portable.

VIEW ARTICLE

What's the difference between military binoculars and civilian binoculars?

2023-04-28

Many people who want to buy binoculars must be confused. They want to buy a good pair of binoculars, but they are not cheap, so they will definitely think twice. If they hear that military binoculars are good, but lack the knowledge of binoculars, they can't tell good/bad, true/false.

VIEW ARTICLE

How to select Scope I.

2023-04-28

There are many monocular types on the market, but not many suitable for birding. First, you must rule out reflective telescopes, such as Newton's. One has to view the scope from the side of the main body, and the result is like an inverted image. Telescopic telescopes are also not very good for birding because of their extremely long focal lengths and high magnification.

VIEW ARTICLE

How to select a Scope II.

2023-04-28

The model will be made of aluminum magnesium alloy oscilloscope body, strong and light, but of course expensive. There are also models made of composite materials. We generally believe in the durability of metal, after all, it has stood the test of time. Ordinary fuselage using aluminum alloy, cheap and reliable. For the sake of price, you don't have to worry about the weight being a little heavier than the aluminum magnesium alloy.

VIEW ARTICLE

Basis of night vision

2023-04-28

The so-called night vision technology is the photoelectric technology that uses photoelectric imaging equipment to realize observation under weak light conditions, and night vision equipment is the photoelectric conversion equipment

VIEW ARTICLE

Telescopic field of view

2023-04-28

The angular diameter of the area of sky that a telescope imagines well is called the telescope's field of view or Angle of view (ω). The field of view of a telescope is usually determined at the time of design. The field of view of a telescope is inversely proportional to the magnification, and the larger the magnification, the smaller the field of view. Different optical systems, different image qualities (caused by aberrations), different apertures, and different focal lengths determine the telescope.

VIEW ARTICLE

The effect of 850nm and 940nm on the wavelength of infrared transmitting tube in the spectrum of night vision instrument

2023-04-28

The infrared emitting tube composed of infrared light-emitting diode is an important part of the infrared pair tube. It is made of gallium arsenide PN junction, and the PN junction is excited by injecting current into the PN junction through forward bias. The spectral power distribution is between 830~950 nm. LED is displayed as a positive temperature coefficient, the higher the current, the higher the temperature, the greater the current, the greater the LED power and current, but when the positive current exceeds the maximum rating, the LED transmission power decreases instead.

VIEW ARTICLE

< 1 > 跳转到页

Tips for measuring distance using a rangefinder

How far can binoculars see?

Live Science: How to See ants 100,000 kilometers away with a Telescope?

Bird-watching binoculars

What's the difference between military binoculars and civilian binoculars?

How to select Scope I.

Tel：+86-17761309662

Add：Group 12, Yuquan Village, Huilan Town, Shifang City, Deyang City, Sichuan Province

E-mail：johnny@kingstaroptics.com

SAF Coolest v1.2 设置面板QVJSX-ZZEQ-IDADE-AWE

图片ALT信息： Shifang Yuantong Optical Instrument Co., Ltd.

营业执照及SEO链接： license

无数据提示

Sorry，当前栏目暂无内容！

您可以查看其他栏目或返回首页

Continuous technological innovation and new product development

SAF Coolest v1.2 设置面板QVJSX-ZZEQ-IDADE-AWE

无数据提示

SVG图标库请自行添加图标，用div包起来，并命名使用