14
After the tenth point is entered (Fig. 6.17, 6.20), the lens description is shown to the right
of the Lens entry of the Menu (Fig. 6.21). The letter “c” to the right of the lens description
indicates that the lens has been calibrated. The main screen (Fig. 6.22) shows the lens
information.
To select the focus ring,
→
Menu
(Fig 6.22)
→
Ring
(FIG 6.21) and use the Navigation key
↕
to select either a ring (A – E) for metric or (Ai – Ei for imperial) (Fig. 6.23. The tables below
show the near focus distances for both the rings calibrated in imperial and metric units.
The printed labels Ai - Ei are pictured below. Note that the midpoint of each scale is about
twice the minimum focus distance. Although the ring can be chosen to cover the entire
focus range of the lens, it is often advantageous to choose the ring which covers the
minimum focus required for the actual shooting.
For example the Summilux 18mm lens has an 18” near focus, matching the Bi ring.
However if the closest distance required is 3’, only half of the knobs rotation would be
Ring Ai Bi Ci Di Ei
Near
Focus
9” 18” 24” 36” 72”
Ring A B C D E
Near
Focus
.25m .50m .70m 1.0m 3.0m
Fig.23 Increasing the “throw” of the focus knob by choosing focus ring
minimum focus.
Fig.
6.21 Fig.
6.22
Fig.
6.23
