Huvitz HLM-1 - Page 44

44
Focus adjustment
[ OFF center ] [ ALIGNMENT OK ]
[ MARKING OK ]
④ For a lens with astigmatism power, rotate the lens so the astigmatism angle is
180°.
There is no need to adjust astigmatism angle to 180° when the lens is without
astigmatism power or when there is no need to mark astigmatism focus and
cylinder axis.
!
INFORMATION