exiftool DSC_1000.jpg | /find /I Shutter Count. You wouldnât buy a used car without checking how many miles were on it, and you shouldnât buy a used DSLR without knowing how many clicks are on the shutter. Read on as we explain why the shutter count of a DSLR camera matters and how to check it. Note: The techniques outlined in this article can be used to check the shutter count on mirrorless cameras, like the compact Nikon 1, as well as DSLR cameras.
antioxidant. n. 1. (Elements & Compounds) any substance that retards deterioration by oxidation, esp of fats, oils, foods, petroleum products, or rubber. 2. (Biology) biology a substance, such as vitamin C, vitamin E, or beta carotene, that counteracts the damaging effects of oxidation in a living organism.
An antioxidant is a molecule that inhibits the oxidation of other molecules. Oxidation is a chemical reaction involving the loss of electrons which can produce free radicals. In turn, these radicals can start chain reactions. When the chain reaction occurs in a cell, it can cause damage or death to the cell.lthough some levels of antioxidant vitamins in the diet are required for good health, there is considerable doubt as to whether antioxidant supplements have anti-disease activity; and if they are actually beneficial, which antioxidant(s) are needed and in what amounts.