・New lens chucking for all lenses.（23～70mm Lens diameter）
 
 
・Grooving depth of range 0-0.7mm can be set with a dial by 0.1mm. Re-grooving is possible if the depth of groove is insufficient.
 
 
・Various lens grooving styles are available with quick operation.
You can choose ①Free-curve grooving （grooving on the center of the lens edge）,②Front-face curve grooving （for −lens) or ③Rear face curve grooving （for + lens）.
 
 
・Adjustable lens guide roller（both right and left sides） for free curve grooving makes the groove position on the lens more accurately.
 
 
・Inclined diamond cutter secures stable grooving width.
 
 
・Standard groove width is 0.6mm.Other width is optionally available.