How to Do a Micro Adjustment on a Lens

All optical lenses and camera bodies are built to a finite degree of focusing tolerance. This means that not every lens will be able to focus perfectly with every camera body right out of the box. However, modern camera bodies allow users to fine tune the focus of each new lens on one body through micro adjustments. Perform these micro adjustments immediately when you receive a lens. If performed correctly, your lens will be able to focus perfectly...

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How to Calculate Middle Gray

Middle gray is a concept used in photography. The idea is that any photograph you take will be properly exposed if your camera's internal light meter calculates a scene's reflected light and adjusts the settings--aperture and shutter speed--to capture an average light level of 18 percent (middle gray). This works fine unless you are faced with a scene that has deep shadows or intensely bright spots, or where white is the prevailing color. Then...

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Digital Photography Lighting Information

Lighting for digital photography is, in principle, the same as lighting for film. The two primary elements to consider are the quantity of light (how much) and the quality of light (what kind). Quantity of Light It's not necessary to have a lot of light when shooting digital photographs. Assuming the camera is on a tripod, merely adjusting the shutter speed should be all you need to shoot in low light. If the desired look isn't being achieved,...

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How to Build a Light Tent for Photography

Building a homemade photography light tent is a quick, thrifty way to achieve professional-quality photographs. For expert photographers on a budget, or novices experimenting with a camera, the do-it-yourself light tent requires minimal effort to build and the necessary materials are nearly all typical household items. Its small, simple design won't take up much space and it's recyclable in the end. Build one or two, or multiple of all different...

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