Please give me a run down (with links to further stuff) on how optical
quality is tested and how it varies for:

Fixed Focal Length Glass lenses;

Fixed Focal Length Plastic lenses;

Optical Zoom lenses;

Digital Zoom lenses; and

Close-up Lenses.

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Clarification of Question by probonopublico-ga on 21 Oct 2003 08:01 PDT

OK .... I get the message .... No message.