Doublet Fluorite D=60mm, F=355mm, FD 5,9
Quadruplet Petzval D=85mm, F=450mm, FD 5,3
Doublet Fluorite D=90mm, F=500mm, F/D 5,6
Triplet ED D=102mm, F=816mm, F/D 8
Quadruplet Petzval D=106mm, F=530mm, F/D 5
Triplet ED D=130mm, F=1000mm, F/D 7,7
Triplet ED D=150mm, F=1100mm, F/D 7,3
