Bees (Two Photographs) and more on Sharp Photographs
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I am not sure if these are sweat bees or mason bees. Taken at 300m, handheld, 1/2000th of a second at ISO 640.
Part III: Sharp Photos and Lenses.
There are many things the industry looks at in lenses to ensure quality. One of those is resolution. Today’s camera sensors are not the issue, lenses are far more important in terms of resolution. Complex studies are made of lenses to determine their resolution, Cambridge in Color has a technical brief on resolution (http://www.cambridgeincolour.com/tutorials/lens-quality-mtf-resolution.htm). Without going into too much detail, resolution is one of the reasons why professionals say that good lenses are more important than top of the line cameras. Zoom lenses tend to be less sharp than prime lenses. There is a way, however to ensure that any lens is at its sharpest. Avoid shooting the largest aperture, lowest Fstop. I have a F5.6 lens and I shoot it at F6.3 for very sharp shots, my F2.8 lenses at F4 etc. Others find F8 works for them. With variable aperture lenses, say those that have smaller apertures when you zoom out, the same principle applies but you may have to experiment, such as, by photographing a newspaper against a wall several feet away. Next post: shooting sharp.