The BA310E LED Phase variant contains everything in the BA310E LED alongside with phase accessories including a turret condenser, phase objectives and phase centering telescope. The turret condenser allows the user to switch between bright field, dark field and different phase settings.  
Trinocular head Siedentopf type 30° inclined, 360 ° swiveling, 360 ° rotating (Light Split 100:0/20:80)
Widefield high eyepoint eyepiece N-WF10X/20mm
with diopter adjustment on both eyepieces and rubber eyecups
Reversed quintuple revolving nosepiece
CCIS EC Plan Achromat objectives EC PL 4x
CCIS Plan Phase objectives Ph10x, Ph40x S, Ph100x S-oil
Coaxial coarse and fine focusing adjustment with tenstion adjustment
Built in low position coaxial rackless stage (Right-hand control)
Phase contrast 5 positions (BF, DF, PH1, PH2, PH3) turret condenser
Phase Centering Telescope
6V 30W halogen and 3WLED module for BA210E/BA310E
45mm blue filter, immersion oil (5ml), power cord, allen hexagonal key, thumb screw,vinyl dust cover, instruction manual