Objective lenses for DIN standard microscopes which are primarily intended for biological applications. They are designed to work with microscopes using 160mm tube-length and 45mm parfocal distance. Achromatic correction provides improved colour accuracy and resolution. 4X, 10X, and 40X.
A 100X oil immersion lens is also available
4X achromatic objective N.A.=0.10
10X achromatic objective N.A.=0.25
40XS achromatic objective N.A.=0.65