Focusing ring
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Configuration
① Focusing ring
Can be pulled out in two steps by clickstops.
② Diopter adjustment ring
Usually, this ring is covered by the focus ring.
It is made operable by pulling out the focusing ring.
Position and functions
Position Ⅰ : Pushed into the deepest (Focusing) position.
Focusing ring can be used.
Position Ⅱ : Middle click (Unlocked) position (when the focusing
ring is pulled out one step).
Focus-lock status is established. Focusing ring
rotates freely.
Position Ⅲ : Fully pulled-out (Diopter adjustment) position
(focusing ring is pulled out two steps).
Focusing ring rotates freely.
Diopter adjustment ring becomes operable.
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