Total magnifications .......................40X-1600X Eyepieces......................................... WF10X Semi-plan achromatic objectives ...SP4/0.10 SP10/0.25 ........................................SP40/0.65 SP100/1.25 (Oil) Rack and pinion focusing abbe condenser ........NA1.25 Coaxial coarse and fine focusing adjustment knobs Illumination 6V 20W halogen lamp with adjustable brightness Optional accessories 1) Eyepiece .................................................WF16X 2) Reticule eyepiece..................................... WF10X 3) Achromatic objectives ............4X 10X 40X 100X(Oil) 4) Plan achromatic objectives .....4X 10X 40X 100X(Oil) 5) Drawing attachment 6) Dark-field attachment .............Dark field condenser 7) Phase contrast attachment 8) Simple polarizer attachment ............Polarizer slide........................................................ Analyzer slide 9) Incident fluorescence attachment(G,B) ..............AC 200W mercury lamp house (220V 50HZ) ...DC 100W mercury lamp house (220V 50HZ/110V 60HZ) 10) 35mm photo attachment with S4X photo eyepiece 11) C-Mount and CCD camera