Performance Data for the Canon EF 400mm f/5.6L USM Lens

The EF 400mm f/5.6L was compared to the EF 300mm f/4L with the EF 1.4X and resolution data on a 400mm f/5.6L with the EF 1.4X was determined.

50% MTF and Resolution Performance Data

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© 2006, William L. Castleman
Initially posted 10 June, 2006