Apochromatic Objectives.

Objectives Focal length
mm
Numerical
Aperture
Micrometer
Values
Price
$
{ 16
Dry Series { 8
{ 4
160,300,015 mm24
80,650,007 mm32
40,950,003 mm48
with correction collar
Homogeneous
Oil-Immersion { 2
21,300,002 mm100