Here are a couple of interesting (very) technical articles by Roger Cicala, the owner of LensRentals.com:
There is no Perfect Lens
There is no Perfect Lens Test Either
The gist of these articles is that evaluating lenses can be difficult, because different copies of the same lens can exhibit markedly difficult performance and no one lens testing methodology can tell the whole story about lens performance.
There is no Perfect Lens
There is no Perfect Lens Test Either
The gist of these articles is that evaluating lenses can be difficult, because different copies of the same lens can exhibit markedly difficult performance and no one lens testing methodology can tell the whole story about lens performance.
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