The following are important factors in assessing the optical quality of a lens:
-A good lens has the same sharpness in the center as it does at the edges (bad-quality lenses have a corner softness).
-Good lenses can also capture with sharpness at any focal length and at any aperture setting (except when it exceed the diffraction limit or at a very small aperture).
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Monochrome photographs are timeless, especially black and white photographs. They enhance emotional substance and have a disposition of making photos look more artistic. When color photography came into the scene, it resulted in black and white photography falling out of favor. It just seemed so drab and dull beside the bursts of color that color […]
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GN, short for Guide Number, Is the amount of power the light transmitted by a flash device is. It’s the result from multiplying distance (in meter or feet) and aperture. The power of the flash is measured with the GN which describes the flash’s capacity in illuminating objects within a certain distance (in meters). Modern […]
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