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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.
Offered by third parties; no Nikon extension tubes were produced. Nikon Close Up Kit, which included a close-up lens that attached to the front of either the UW 28 mm, W 35 mm, or W 80mm Nikonos lenses, a frame support bracket, and three field frames (one for each lens) to produce near-macro image ratios (approx range of 1:5 to 1:3, depending ...
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:
"Macro" lenses specifically designed for close-up work, with a long barrel for close focusing and optimized for high reproduction ratios, are one of the most common tools for macro photography. (Unlike most other lens makers, Nikon designates its macro lenses as "Micro" because of their original use in making microform.) Most modern macro ...
The Nikon type was produced from 1992 to 1996 and is rarely seen. Nikon DX/Sigma DC/Tamron Di II/Tokina DX: Denotes a lens that is designed for APS-C DSLR sensors. Use of this lens on a full-frame (FX) sensor will likely cause vignetting. All full-frame Nikon DSLRs are able to detect DX lenses and crop the image accordingly by default.
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Special purpose lenses included the Micro-Nikkors 55 mm f/3.5 and 55 mm f/2.8, Micro-Nikkor 105 mm f/4 for close-up "macro" photography, the Noct-Nikkor 58 mm f/1.2 for low light photography, the PC-Nikkor 28 mm f/3.5 shifting perspective control lens, the GN-Nikkor 45 mm f/2.8 for automatically setting the proper aperture for flash exposure ...
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related to: nikon close up lens extension guide free