Some properties of eyepieces are very important to the function of optical produ...
VIEW DETAILS >1. Fugen eyepieces: eyepieces can be divided into two types: positive eyepieces ...
VIEW DETAILS >Also called an eyepiece, it is usually a lens group that can be connected to the...
VIEW DETAILS >Kepler binoculars generally rely on a rotating prism to obtain a positive image,...
VIEW DETAILS >Binoculars (or binoculars for short, or field mirrors) are telescopes made by co...
VIEW DETAILS >There are 6 parameters that indicate the performance of the telescope. They are ...
VIEW DETAILS >Prism A prism is a polyhedron made of transparent materials (such as glass, crys...
VIEW DETAILS >In a broad sense, telescopes include not only optical telescopes operating in th...
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