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.
Dust and other debris are present in all environments and can accumulate on the image sensor, viewfinder or other components of your Canon EOS Digital SLR camera or on your EF lens optics, causing spots or imperfections to appear on your photos.
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.
