Canon Patents

Patent – EF-S 18-300 f/3.5-5.6

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A new superzoom
As we mentioned a while back, Canon is working on an EF-S 18-300 f/3.5.5.6 IS STM to replace the no-so-good EF-S 18-200 IS.

The 18-300 appears to be closer to happening as a patent has shown up showing the optical formula in practice.

18300 - Patent - EF-S 18-300 f/3.5-5.6
Canon EF-S 18-300 f/3.5-5.6

Source: [EG]

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