Using a different lens every week (ahmm… well) for 70+ weeks (or more)… ;)

How to Calculate Crop Factor, F-Stops, and Equivalent Lenses in Google

How to Calculate Crop Factor, F-Stops, and Equivalent Lenses in Google

Perhaps a little misleading here and there, but still an interesting read.

With an APS cam a lens does NOT get slower, like f/4 instead of f/2.8. It’s just the effect on DoF.

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