How Camera Lenses are Made
Professional photographers know they can easily outspend their cost of a professional DSLR body by acquiring a range of desired camera lenses, each geared toward shooting under specific conditions. But why are camera lenses so darned expensive in the first place? Well, to begin with, it is the cost of the raw materials themselves, particularly the cost of the optic glass, which can cost up to $1000 per kilogram in raw form. In addition, the process of making a modern camera lens is both compl
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