What is a Schneider lens?

Schneider is a German optical manufacturer specializing in B, especially the advanced one.

His lens is only one word! , add a word expensive!

In the field of photography, Schneider makes a large lens, and the other is a B+W brand filter, both of which are extremely expensive. There are tens of thousands of slightly higher-end lenses, and even a UV mirror can hold the card machine;

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As for those cheap household machines, the so-called Schneider, Leica and Zeiss lenses are ignored and branded.