1. ‘Subject Distance” refers to the dis- extension, and the right-hand row indi- compensation, the line dividing two
tance between subject and front rim of cates the result when set at maximum zones should be read as l/4 stop. Thus,
the lens. bellows extension (46mm). the line between the + 1 and + 1.5 areas
2. In columns of the Close-up Table that 3. For clarity, the exposure factors in the represents +I l/4. Similarly, the line di-
have two rows of figures, the left-hand right-hand column of the table are shown viding the +1.5 and +2 zones represents
row indicates the result when lens and in l/2 stop increments (+l, +1.5, +2,
+1 314.
tube combination is set at zero bellows +2.5); however, for precise exposure
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