Specification | 
 Model  | 
| 
 MB220A  | 
 MB220B  | 
 MB220T  | 
| 
 Viewing head  | 
   Monocular Head.Inclined at 45 ¡ã  | 
 ¡ñ  | 
    | 
    | 
| 
   Compensation Free Binocular Head. Inclined at 3 0 ¡ã ( 55mm -   75mm )  | 
    | 
 ¡ñ  | 
    | 
| 
   Compensation Free Trinocular Head. Inclined at 3 0 ¡ã ( 55mm -   75mm )  | 
    | 
    | 
 ¡ñ  | 
| 
 Eyepiece  | 
   WF10 ¡Á  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Objective  | 
   Achromatic objective: 4 ¡Á ,10 ¡Á ,40 ¡Á (S),100 ¡Á (S)Oil  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Stage  | 
   Double layers mechanical stage  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
   Stage size: 125mm ¡Á 115mm  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
   Moving range: 70mm ¡Á 30mm. Resolution: 1mm   | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Condenser  | 
   N.A1.25 Abbe condenser with iris diaphragm & 32mm blue filter  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Focusing  | 
   Coaxial coarse & fine focusing adjustment with rack and pinion    mechanism Fine focusing scale Value 0.002mm. Moving range 20mm  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Collector  | 
   High brightness collector and can be interconverted with Kohler    illumination  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
 Light source  | 
  3W LED Lamp.AC 85V-230V  , Adjustable  | 
 ¡ñ  | 
 ¡ñ  | 
 ¡ñ  | 
| 
   Adjustable brightness  | 
| 
 Optional Accessory  | 
   Eyepieces:  | 
   WF16x,WF20x,P16x 1.3 Mega pixels CMOS electronic eyepiece .   | 
| 
   Semi-plan  objectives:  | 
   4X,10X,20X(S),40(S),60X(S),100(S)Oil    | 
   Photo and CDD attachment    |