On Tuesday, September 6, 2005, at 08:43 AM, Dario Bonazza wrote:
Your sentence is what the general theory claims. That's what you usually read on photo books and magazines. However, is it true? I don't think above statement to be so much supported by evidence.
Yes, it is true. Most lenses are optimized for infinity. Lenses with "floating elements" can be optimized through a specified focusing range. Macro lenses are optimized depending on the intended use.
Bob (who has been involved in lens design in the past)
