Can an air-spaced doublet lens be used for monochromatic planar correction?

[bmihalik]

I would like to build a microscope witch can be used with different monochromatic light sources (laser diodes), and this system should has small astigmatic and coma aberration, but keep the chromatic aberration property. Can I use two spherical or ashperical lenses (facing with convex side to each other) from same material to decrease aberrations related to planar errors?