Macro Photography – DSLR Macro Lenses
By Karl Peschel on Jul 6, 2007 in Digital SLR, camera use, macro photography
A DSLR and a fixed focal length macro lens. Now we’re running with the Big Dogs! These are the tools of the trade for photographers who are serious about, and shoot a lot of, macro photos.
Dedicated macro lenses for DSLR’s are capable of reproduction ratios of at least 1:2 and most go to 1:1. They are optically designed for best performance when focusing close and stopping down to small apertures in the range of F16 to F32. Their flat field performance is excellent and edge to edge sharpness is a prime consideration in their design.
You’ll find macro lenses in 3 basic focal lengths.
-50-60mm
-100-105mm
-180-200mm
Each produces photos that cover the same image area, but at different working distances.
Working distance is the distance from the front of the lens to your subject. It is an important consideration when choosing a macro lens. Based upon what you normally shoot you would select one focal length over another.
For stamps, jewelry, and other inanimate objects the 2-3 inch working distance of a 60mm macro is no problem. For insects, flowers and the like the greater working distance of a 100mm or 200mm macro lens is quite beneficial. You don’t have to get too close to that wasp you’re taking a portrait of!
More distance between you and your subject also allows you to light it better. Using natural light your shadow can be a problem. Using a flash with 6-12 inches (or more) of working distance makes your life a lot easier.

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