This year, LeTV has made great strides in hardware, from LeTV supercars to LeTV super phones to LeTV super bikes. According to the latest news, LeTV super bike will be officially released in July, and officially launched in LeTV Mall in August.
On May 8th, this year, LeTV has made great strides in hardware, from LeTV supercar to LeTV super mobile phone to LeTV super bicycle. According to the latest news, LeTV super bike will be officially released in July, and officially launched in LeTV Mall in August.
According to Fast Technology, just as people are still discussing LeTV's Internet car, another smart vehicle from the company has come to us. The latest news shows that LeEco plans to officially release super bikes in July this year and sell them through LeTV Mall in August.
According to the LeTV Sports Department, Super Bikes has added a lot of smart devices while retaining the aesthetics of traditional bicycle mechanics. In addition to basic music, first aid, timing and other functions, there are also IOT social, cycling data, intelligent control, The four functions of intelligent anti-theft, the whole bicycle is equivalent to a real-time social communication tool.
Just yesterday, LeTV Mall officially launched the new domain name lemall.com, which shows that LeTV has a broader range of ambitions for eco-markets.
An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.
The most common type of achromat is the achromatic doublet, which is composed of two individual lenses made fromglasses with different amounts of dispersion. Typically, one element is a negative (concave) element made out of flint glasssuch as F2, which has relatively high dispersion, and the other is a positive (convex) element made of crown glass such as BK7, which has lower dispersion. The lens elements are mounted next to each other, often cemented together, and shaped so that the chromatic aberration of one is counterbalanced by that of the other.
In the most common type (shown), the positive power of the crown lens element is not quite equalled by the negative power of the flint lens element. Together they form a weak positive lens that will bring two different wavelengths of light to a common focus. Negative doublets, in which the negative-power element predominates, are also made.
Achromatic Lens,Achromatic Objective Lens,Achromatic Condenser Lens,Achromatic Doublet Lenses, Triplet lens
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