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CMS-XML Bodies that may require exposure adjustment when using extenders with the EF 500 and 600mm f/4 IS USM lens
Bodies that may require exposure adjustment when using extenders with the EF 500 and 600 mm f /4 IS USM lens
CMS-XML Definition: Macro Lens
Macro Lens Macro lenses let us ... subject than a macro setting on a ... ... The optics in macro lenses are also ... Macro lenses give us ... Most true macro lenses focus down ... A 100 mm macro lens provides a ... than a 50 mm macro lens. ... focal-length macro lens. With macro lenses, depth ... Many professionals typically shot most of their close-up images at small apertures such as f /16 or f /22, for the greatest sharpness from in fromt of the subject to behind it.
CMS-XML How to Read an MTF Chart
Fine repeating line sets are created parallel to a diagonal line running from corner to corner of the 35mm frame, directly through the exact center of the image area. These are called sagittal lines, sometimes designated " S " on Canon's MTF charts. At a 90° angle to these, additional sets of repeating lines are drawn, called Meridional (or "M") line sets.