Sekonic Speedmaster L-858D-U Light Meter - Manual (Page 50)

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4. Basic Operations
NOTE
If the Lumisphere
2
is damaged or stains cannot be removed,
purchase a replacement of lumisphere for L-858 separately, and
replace the defective lumisphere with the new one.
1) How to replace the Lumisphere 2
Push down the Lumisphere Lock Lever k . While holding
both the upper and lower parts of Lumisphere Retracting Ring
1
, turn the ring counterclockwise to remove the lumisphere
unit.
2) How to attach the Lumisphere 2
Align the mark on the Lumisphere Retracting Ring
1
with the
mark on the meter head, and press the lumisphere unit in the
meter head. Then, turn the ring clockwise until it clicks into
place.
* Check to see that the Lumisphere Lock Lever k is engaged.
* When attaching/detaching the Lumisphere 2 , be sure not to
touch the light receiving element inside the meter head.
Lumisphere
Retracting Ring
1
Lumisphere Lock
Lever
k
Light Receiving
Element