direct image lenses

L-2 Landers;
L-3 Machember;
L-4 Peyman;
L-5 Machember;
L-6 Tolent ino 20 degree;
L-7 Tolent ino 33 degree;
L-8 Landers 45 degree;
L-9 Woldoff;
L-10 50 degree;
L-1 Landers ring
direct image lenses