On 2009-01-04 23:25:07 +0100, Kryhu <k...@p...pl> said:

> The unique and elusive Macro-Nikkor range comprises 4 lenses made for
> the Nikon Multiphot, an advanced photomacrographic device targeted at
> the scientific lab segment. They are largely unknown to the general
> public, and people get confused by Nikon designating them as "Macro"
> lenses (which they in fact are). After all, aren't the familiar
> Micro-Nikkors also "macro" lenses? Nikon's terminology is literally
> correct, as the Macro-Nikkors only provide larger than life-size (1:1)
> magnification in contrast to the Micro-Nikkors, which ends their
> focusing range at 1:1 or 1:2 and can focus to infinity.

No to jest to własny wymysł Nikona.

http://en.wikipedia.org/wiki/Macro_lens

The classical definition is that the image projected on the "film
plane" (i.e., film or a digital sensor) is close to the same size as
the subject. On 35 mm film (for example), the lens is typically
optimized to focus sharply on a small area approaching the size of the
film frame. Most 35mm format macro lenses achieve at least 1:2, that is
to say, the image on the film is 1/2 the size of the object being
photographed. Many 35mm macro lenses are 1:1, meaning the image on the
film is the same size as the object being photographed. Another
important distinction is that lenses designed for macro are usually at
their sharpest at macro focus distances and are not quite as sharp at
other focus distances.
In recent years, the term macro has been used in marketing material to
mean being able to focus on a subject close enough so that when a
regular 6×4 inch (15×10 cm) print is made, the image is life-size or
larger. This requires a magnification ratio of only approximately 1:4,
more easily attainable by lens makers.

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