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The Mantis objectives provide different levels of magnification ranging from 2X to 10X. As
magnification changes, working distance (the distance between the objective lens and the
subject when properly focused), field of view (the area of subject that is visible in the viewing
screen at any one time) and depth of field (the maximum subject height variation that will remain
in focus) also change. The chart below shows the characteristics of each lens.
Lens Working Distance Field of View Depth of Field
2X 171 mm ~ 6.7 in. 56 mm ~ 2.2 in. 25 mm ~ 1.0 in.
4X 86 mm ~ 3.4 in. 28 mm ~ 1.1 in. 11 mm ~ 0.4 in.
6X 55 mm ~ 2.2 in. 20 mm ~ 0.8 in. 5 mm ~ 0.2 in.
6X SLWD 112 mm ~ 4.4 in. 20 mm ~ 0.8 in. 5 mm ~ 0.2 in.
8X 41 mm ~ 1.6 in. 15 mm ~ 0.6 in. 3 mm ~ 0.1 in.
10X 41 mm ~ 1.6 in. 12 mm ~ 0.5 in. 2.5 mm ~ 0.1 in.