A set for adding phase contrast (ph) to a compound microscope. It includes:
-a condenser with dark-field and phase contrast filters(10× and 40x)
-a 40x ph objective
-a 10x ph objective
- a centering eyepiece
-a green filter
-a hard aluminium case.
Brand unknown.
Make sure it fits your microscope before buying.
Like new conditions(never used)