A21.1606 
    high contrast coaxial illumination zoom 
    monocular video microscope, zoom ration 0.7x-4.6x, its contrast definition 
    and depth of field are very good. are characterized by the infinitely far 
    and coaxial illuminate optical system, high resolution and high definition. 
    They can be used in electric equipments, semi-conductor, LCD, LED etc. for 
    observing digital image, checking-up and survey. 
    
    Features 
    --Zoom body magnification 0.7x-4.6x, extend total magnification: 42x-270x
    --CCD adapter0.5x, 1.0x (standard outfit), 1.5x, available
    --Full range stand for choice, A54.1601 
    ~ A54.1620 Click 
    here to see picture
    --The measurement to match between support and main body: 45mm 
    --Standard outfit include 1x CCD adapter and 1x objective (working distance 
    73mm) 
    
    Models:
    A21.1606-C Coaxial illumination, including A56.1606-B coaxial illuminator
    A21.1606-CD With click stop at 1x, 2x, 3x...
    A21.1606-CP Coaxial illumintaion with polarized module