... ,working distance:75 mm4.Auxiliary binocular lens:1X5.Plan eyepiece:10 X/ diameter 18,16X / diameter 11 (Pick Out Parts)6.PLL ... objective :4X/0.10, 40X/0.657.Phase contrast objective 10X/0.25, 25X ... contrast objective:10X,25X 1 each5. Phase contrast annular lamina:10 X,25X 1each6. Trinaocular tube:1 unit7. To center telescope 1 ...