Zoom system
Type: Apochromatic zoom system with central beam path, lead-free.
Zoom: 6.3:1.
Zoom factor 0.57×– 3.6×
Built-in iris diaphragm: for adjusting the depth of field.
Switchable approachable positions for repetitive tasks: 0.57 / 0.8 / 1 / 1.25 / 1.6 / 2 / 2.5 / 3.2 / 3.6.

Visual data with 1×planapochromatic objective / 10×eyepieces / 1.25×Y tube:
Magnification: 7.1×– 45×.
Resolution: 60 – 351 Lp / mm
Visible structural width: 8.3 – 1.4 µm
Numerical aperture: 0.02 – 0.117 nA
Object field ∅: 32.3 mm – 5.1 mm
Depth of field (diaphragm open): 3.1 mm – 0.09 mm
Depth of field (diaphragm closed) 18.1 mm – 0.4 mm.

Visual data with 2×planapochromatic objective / 40×eyepieces / 1.25× Y tube:
Magnification: 57×– 360×.
Resolution: 120 – 702 Lp / mm.
Visible structural width 4.2 – 0.7 µm.
Numerical aperture: 0.04 – 0.234 nA.
Object field ∅: 4.2 mm – 0.67 mm.

Data with Leica DFC490 digital camera / 1×planapochromatic objective / AS tube / 0.63×video objective
Magnification Chip: Object: 0.36×– 2.3×
Digital resolution* 33.3 – 210 Lp / mm.
Object field projected onto chip: 24.5 mm ×18.4 mm / 3.9 mm ×2.9 mm
Depth of field (diaphragm open): 1.06 mm – 0.03 mm.
Depth of field (diaphragm closed): 10.7 mm – 0.26 mm