![]() This is towards the rear of the camera body and, once you take into account the depth of the body and the length of the lens, the front of the Nikon 40mm lens extends to a mere 3.5cm from the subject. ![]() That might sound reasonable, but the focusing distance is always measured from the ‘focal plane’ of the camera, corresponding to the active surface of the image sensor. Macro lenses with a longer focal length have a correspondingly longer minimum focusing distance, putting more working space between you and what you’re shooting when you need to maximize magnification.įor example, the Nikon AF-S DX 40mm f/2.8G Micro lens (Nikon uses ‘Micro’ instead of macro in its lens classifications) has a minimum focusing distance of 16cm. Instead, it’s all about the minimum focusing distance. Unlike when buying regular lenses, it’s not really about wide-angle coverage or telephoto reach. ![]() Focal lengthĪ crucial consideration when choosing a macro lens is the focal length. They’re generally not much larger, heavier or more expensive, and you’ll avoid any heartache if you upgrade to a full-frame camera body in the future. However, you’re often better off buying a full-frame compatible macro lens. There are several macro prime lenses on the market that are designed exclusively for APS-C format cameras. It’s a similar effect to the way that crop-sensor cameras boost the effective telephoto reach of a lens. There’s a bonus if you’re using an APS-C format camera with a 1.5x or 1.6x crop factor, as you’ll fill more of the image frame with smaller objects, giving greater ‘effective’ magnification. As we’ve mentioned, a 1.0x magnification factor reproduces an object at full life size on a camera’s sensor.
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