Samsung EV-NX30ZZBGBUS - Manual (Page 52)

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Lenses
51
To unlock the lens, rotate the zoom ring as shown in the illustration until
you hear the click.
You cannot capture a photo when the lens is locked.
SAMSUNG 16 mm F2.4 lens (example)
5
2
1
4
3
No. Description
1 i-Function button (p. 64)
2 Lens mount index
3 Focus ring (p. 92)
4 Lens
5 Lens contacts