Sekonic SPEEDMASTER L-858D - Interchanging the Extended Lumisphere and Retracted Lumisphere

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Lumisphere
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three dimensional subjects.
Rotate the top of the Lumisphere Retracting Ring
❶
to securely align the mark on the
ring with the lumisphere mark (
).
2. Retracting Lumisphere
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and simply measure the illuminance.
Rotate the Lumisphere Retracting Ring
❶
to securely align the mark on the ring with
the retracted lumisphere mark (
).
Lumisphere Retracting Ring
❶
Lumisphere Aligning Mark
Extended Mark
Retracted Mark
Lumisphere
❷
NOTICE
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Do not set the Lumisphere Retracting Ring
❶
to an intermediate position. This will
change the quality of the light and produce an incorrect measurement.
Ɣ
Do not push down the Lumisphere
❷
with your hand.
Ɣ
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or contaminate the Lumisphere
❷
. If the Lumisphere
❷
becomes dirty, wipe it
with a dry soft cloth. Never use organic solvent such as thinner or benzene.