|   Viewing Head   |    trinocular head, Erect image, 30° inclined, interpupilary distance: 50-76 mm(optional: trinocular head, Inverted image, inclined at 30)   |  
|   Objective   |    Bright & Dark Field Semi-Apochromatic Metallurgical Objective 5X, NA=0.10-13.5mm, 10X, NA=0.30-9mm, 20X, NA=0.50- 2.5mm,. 50X, NA=0.80-1.0mm, 100X, NA=0.90, WD=1.0mm(optional:5X, NA=0.15-19.5mm, 10X, NA=0.30-10.9m, 20X, NA=0.50- 3.2mm, 50X, NA=0.80-1.2mm, 100X, NA=0.90-1.0mm   |  
|   Optional Accessories   |    Camera adapter: 0.5X focusing C-mount, Fixed polarizer, fixed analyzer, 360° rotatable analyzer, DIC attachment, Interference filters for reflected light, High precision micrometer, scale value 0.01mm   |