Author: John and Barbara Gerlach

John and Barbara Gerlach

John and Barbara Gerlach are skilled nature photographers. Their pictures have featured in National Geographic, Reader's Digest, Time-Life and many other publications as well as being used for numerous calendars. They have written two books for Focal Press.

Posts by John and Barbara Gerlach:


Nature Photography – Tricks for controlling the background of your images


SELECTING A SUITABLE BACKGROUND Images are most pleasing when the background is uncluttered and doesn’t compete with the subject for the viewer’s attention. Distracting backgrounds are enormous problems in the images of beginning photographers and occasionally even those of more experienced shooters. Normally, it is best to seek a background that is a homogeneous color…


Shoot Sharp Images – Handheld Photography Techniques


START WITH A CLEAN LENS The lens focuses the light onto the imaging sensor. If there is any debris—dust, hair, water spots—the light that should pass through the lens can’t at that spot, and the image loses a little color and sharpness. You should always keep the glass surfaces of the lens clean. When not…


Contrast and Ways to Control It


Contrast In any ordinary scene and its image there are two major kinds of contrast, color contrast and tonality contrast. Color contrast is the difference between colors, for example, blue and yellow, but it is tonality contrast that interests us here. Tonality contrast is a measure of the difference between brightnesses of a hue, for…


Keep Still! A Challenge of Close Up Photography Made Easier


KEEP STILL! Trying to get a sharp image of a wildflower defiantly dancing in a baffling breeze can generally drive the most laid-back photographer into involuntary utterances of impolite language. Sure, one can up the ISO to 1600, set the aperture to f/4, hope for a lull in the gale, and perhaps get a sharp…


Advantages and Applications of Flash in Close Up Photography


Close-up photographers accused of flashing are generally found innocent when even the judge comes to appreciate the splendid quality of light, the ease of creative control, and the remarkable improvement in close-up images that the modern flash can offer. The court will generally advise those close-up photographers only to keep their flash batteries well charged,…


Approaching Wildlife


FIND HABITUATED WILDLIFE Wildlife accustomed to humans being close to them are often referred to as “habituated wildlife.” They are commonly found where people tend to spend their time. Plenty of city and state parks host easily photographed squirrels, deer, Canada geese, robins, and other creatures. For example, during late winter, Santee Lakes near San…

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