Piano-Convex Lenses (AVI-LT-2003)
Optically worked faces, ground edges, made from glass
Dia (mm)
Focal length (mm)
Power (D)
A
25
70
+14
B
50
+20
C
32
1000
+1.0
D
140
+7.0
E
400
+2.5
Qty :