Circular Positive Fresnel
Prod	All Dimensions (mm)
NO	Focal Length	Diameter	Facet Spacing	Thickness
GS9256	25.40	50.80	0.508	1.50
GS9233	50.80	50.80	0.230	1.50
GS9237	76.20	63.50	0.254	1.50
GS9239	101.60	101.60	0.508	1.50
GS9255	127.00	101.60	0.254	1.50
GS9223	152.40	152.40	0.254	1.50
GS9246	203.20	203.20	0.457	2.00
GS9221	254.00	254.00	0.508	2.00
GS9268	304.80	304.80	0.508	2.00