The Daring or Bold Jumping Spider (Two Photographs) and some words on Macro
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This spider is called either daring or bold, depending on which book you are referencing. In my last two posts on macro, I spoke of where and when to find insects. Once having found them two technical issues arise; depth of field is one of them, and lighting which will be covered in my next macro post. When you get close to things with any lens, depth of field shrinks at any given aperture. That is to say that f11 at five feet covers a lot more ground than at ten inches. Increasingly smaller apertures cannot solve that problem. After f11 or f16 you get a phenomenon called diffraction. This is a complicated phenomenon that leads to out of focus or soft photos (which is too bad because my old Nikon macro lens goes up to f64!). Focus stacking works with static objects. This is where you take a series of photos at narrow depth of field and either adjust the focus or move the camera until you have shots with every part of your subject in focus and then combine them. It’s not something I have tried often, as most insects are not static and the success rate without specialized equipment and software can be uneven. I know my lens and I stick to apertures between f11 and 16. I do not expect that range to capture everything but for the most part hand-held and on the move it works well for me.