Join Ben Long for an in-depth discussion in this video Understanding lens reversal, part of Lens-Reversal Macro Photography.
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If you've watched my Foundations of Photography Macro course, then you've already had a little…bit of exposure to lens reversal.…To recap, lens reversal is simply the process of taking an ordinary lens, removing it from…your camera, turning it around and holding it against the front of your camera.…When you do this, you actually get a true macro level of magnification.…You also lose all aperture and focus controls.…The camera normally controls autofocus and aperture by communicating with the lens through…these electrical contacts.…
Since those contacts are disconnected, the camera can't drive either of these features.…For focus, you are limited to simply moving the camera backwards and forwards, but this…is how you usually focus a normal macro lens anyway. So that isn't actually that unusual.…By default, the aperture on a lens is always wide open.…This allows the maximum amount of light to pass through your lens and into your camera's…viewfinder, ensuring that you have the best possible view of your scene.…
In this course, photographer Ben Long details the tools and techniques of lens-reversal macro photography. After investigating reversal ring options, the course explores the focusing and exposure techniques involved when shooting with a reversed lens.