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Grouping and Logical OR: notebook (ibm or sony) Negation: laserjet printer not monochrome Negation: printer -laser -monochrome \tGrouping and Logical OR: printer (epson or canon) (inkjet or laser) not multifunction Group Operator: printer -(dot matrix)
The optical system, construction, and exterior are the same as the EF 75-300 mm f/4-5.6 III USM. The difference is that it uses a DC motor instead of a USM to drive the AF.