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Extension tubes are sometimes confused with teleconverters, an optical component (i.e., containing lenses) designed to increase effective focal length. A close-up lens also enables focusing closer for macro photography but, unlike an extension tube, a close-up lens actually is an optical element.
Macro photography (or photomacrography [1] [2] or macrography, [3] and sometimes macrophotography [4]) is extreme close-up photography, usually of very small subjects and living organisms like insects, in which the size of the subject in the photograph is greater than life-size (though macrophotography also refers to the art of making very ...
That distance is sometimes given on the filter in millimeters. A +3 close-up lens has a maximal working distance of 0.333 m or 333 mm. The magnification is the focal distance of the objective lens (f) divided by the focal distance of the close-up lens; i.e., the focal distance of the objective lens (in meters) multiplied by the diopter value (D) of the close-up lens:
Despite the macro designation, the lens can focus to infinity like regular lenses. As such, it is appropriate for use as a portrait lens. This lens can be used with an extension tube, which increases the maximum magnification to 1.19× (EF 12 II) or 1.39× (EF 25 II). In these cases, focusing at infinity is sacrificed, with maximum distance ...
In June 2017, the list is supposed to be complete including 201 past and present lenses, additionally 28 compatible teleconverters and three lens extension tubes with support for integrated autofocus-motors. Listed here are nearly all recent autofocus-lenses, because all manufacturers have included focus motors in their Nikon-compatible lenses ...
She was fair skinned and golden haired, full-blood Italian." In "A Complete Unknown," Rotolo's character has been renamed Sylvie Russo (Elle Fanning). The request was made by Dylan himself.
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