| Projection Screen | V-12BDC and V-12BD provided with digital protractor fine rotation knob, 360° rotation (reading to 1 minute arc) | 
        
            | XY Counter | V-12BDC - Built in (1 mm/0.5 mm selectable); V-12BD - Not Provided; V-12BSC - Built in (1 mm/0.5 mm selectable); V-12BS - Not Provided | 
        
            | Max. Height of Specimen | 100mm (4.0 in) with 8x6, 6x4, 4x4, O3L and 2x2 | 
        
            | Power Source (2 types) | 110 VAC (50/60Hz); 220VAC (50/60 Hz) | 
        
            | Max. Load Capacity | 15 kg (33.0 lb) with 8x6 and 6x4, 6 kg (13.2 lb) with 4x4, 5 kg (11.0 lb) with O3L, 5 kg (11.0 lb) with 2x2 | 
        
            | Dimensions | 409 x 648 x 970-1070 mm (16.1 x 25.5 x 38.2-42.1 in) | 
        
            | Projection Lenses | 5x, 10x, 20x, 25x, 50x, 100x, 200x and 500x. 3-lens turret; clamp screw type | 
        
            | Stage | 8x6, 6x4, 4x4, O3L and 2x2 | 
        
            | Vertical Surface Illumination | All projection lenses feature internal half-reflecting mirrors which are prealigned to the built in vertical surface illuminator. 500x lens should be used with an EPI Condenser Lens. | 
        
            | Weight | Approx. 80 kg (176.4 lb) | 
        
            | Magnification Accuracy | Contour illumination ±0.1%, vertical/oblique surface illumination ±0.15% | 
        
            | Image | Erect and unreversed | 
        
            | Illumination | High/low light intensity control; 24V/150W halogen lamp | 
        
            | Oblique Illumination | Oblique surface illumination can be obtained by tilting EPI illumination unit | 
        
            | Contour Illumination | Telecentric type. 200x and 500x lenses should be used with a DIA Condenser Lens. |