How to identify genuine and fake military telescopes [Return to telescope knowledge] With a large number of counterfeit military telescopes entering the market, how to identify their authenticity? Below, the author will talk about some tips based on his many years of experience.
(1) Look at the material. Military telescopes are all made of metal, with strong sealing performance, waterproof, gas-proof, dust-proof, impact-resistant, and durable. Some counterfeit telescopes on the market have hard plastic shells on the inside and camouflage, black, or off-white rubber on the outside. Their sturdiness and sealing are poor, and they are easily damaged, and the interior is easily invaded by moisture and dust. Once the inside of the telescope is invaded by water vapor and dust, the observation effect will deteriorate. More importantly, all military telescopes use high-quality optical lenses. The surfaces of all lenses are coated with high-quality light blue, lavender, and light yellow anti-reflection coatings. The prisms are made of BaK4 type material. The eyepieces are designed with a wide angle and large field of view, making the telescope clear. The accuracy is extremely high, and the observation field of view is extremely wide and sharp. The counterfeit telescopes are made of ordinary or low-quality optical materials, and the lenses are coated with a shiny red film, claiming to have "infrared night vision" capabilities. In fact, it is not an infrared telescope at all. Actual observation makes you feel blurry and dizzy, and the optical performance is very poor.
(2) Look at the appearance. Military telescopes are generally black in appearance, and a few are camouflage. Both of them are painted on metal or decorated with cadmium sulfide leather, and they make a metallic sound when struck with a small hammer. In addition, there is an inscription number engraved on the metal mirror body. Counterfeit telescopes have a camouflage or black rubber appearance, and some have a hard plastic shell coated with silver-white paint. They look like metal, but they are not. Some also have compasses, coordinate lines, Russian characters, the Russian emblem, cannons and red stars printed on the lens body, and the red shiny coated lenses are also decorated with red stars or eagle patterns.
(3) Look at the three parameters that indicate the performance of the telescope: magnification, objective lens entrance aperture and field of view value. The most important parameters are the magnification and the entrance aperture of the objective lens. The specifications of the telescope are expressed by these two parameters. For example, "8×30" means that the telescope magnification is 8 times and the objective lens light entrance aperture is 30 mm. Generally, the magnification of handheld military telescopes is between 6 and 20 times, of which 6 to 10 times is the best. If it exceeds 10 times, a tripod should usually be equipped. Otherwise, the observation effect will become very poor due to the influence of hand shaking, heartbeat, breathing, air convection and other factors. Regular military telescope with real magnification and excellent optical performance. Counterfeit telescopes are marked with tens, hundreds, or thousands of times, claiming to be able to see dozens or hundreds of kilometers, but their true magnification is generally between 3 and 6 times. A handheld binoculars can be judged to be a counterfeit telescope just by the fact that its marked magnification is more than 20 times. If readers make a comprehensive judgment based on the knowledge mentioned above, it will not be difficult to identify the authenticity of the telescope now. Bushnell telescopes on the market are almost divided into three categories: the first category is genuine Bushnell, which is relatively expensive and has very good optics. Although the mirror is marked "Made in China", the quality of regular Chinese products is very good; the second category is genuine Bushnell telescopes. The tail goods are the remaining parts after Changjia delivers goods to foreigners. There are not many of these goods. The quality is the same as the original product and the price is the same as the domestic product, but it is difficult to find.
The third type is the imitation product. I I once saw a "hero" on Beilu and Taobao who wrote about identification methods that are not telescopes. Desert Ghost King: "Please refer to
There are currently several manufacturers producing BUSHNELL products in China. Please Please pay attention and ask the seller questions before purchasing. The difference is as follows: OEM first-class product, we call it genuine. Its original parts are provided by the United States and assembled domestically. Its characteristics: the letters BUSHNELL on both sides are not It is usually printed, but is pasted on a piece of metal. The BUSHNELL letters are engraved on the middle plate for adjusting the focus. The font is recessed instead of normally printed. Its instructions are different from those of other BUSHNELL telescopes. ; Characteristics of OEM secondary products: The BUSHNELL letters on both sides are printed normally, and there are no BUSHNELL letters on the middle panel for adjusting the focus. The quality is basically good. All materials are produced domestically, so the quality is the same as that of OEM. There is no way to compare the first-class products; the other is a foreign trade product, and its characteristics are: both sides of the telescope and the middle flat plate for adjusting the focus have the letters BUSHNELL printed on them, while the manufacturer of the third product is There are many special ones, and the price and quality will also be different.
hehe! Now you should know how to buy BUSHNELL brand telescopes! ”
This statement is purely a big scam, because the best one he said is a standard imitation.
The trademarks of genuine bushnells are basically very leather-like. Integrated, only a few mirrors produced in Japan have metal nameplates as their trademarks.