2X 5X 10X 20X M Plan APO Long Working Distance objective Metallographic Apochromatic Infinity Microscope Objective Lens

Specification:
Magnification: 2X / 5X / 10X / 20X / 50X
NA: 0.055 / 0.14 / 0.28 / 0.34 / 0.5
Working Distance: 33.72 mm / 33.61 mm / 33.4 mm / 29.56 mm / 18.9 mm
Focal Length: 100 mm / 40 mm / 20 mm / 10 mm / 4 mm
Resolution: 6.1 μm / 2.2 μm / 1.2 μm / 0.8 μm / 0.7 μm
Depth of Field : 90.9 μm / 14.03 μm / 3.5 μm / 2.68 μm / 1.19 μm
Field of View on Object: 12.5 mm / 5 mm / 2.5 mm / 1.25 mm / 0.5 mm
Field of View on image: 25 mm
Weight: 275 g / 302 g / 302 g / 352 g / 336 g
Thread: M26X0.705
Noted: we have 25 mm and 20.2 mm adapter if you need it please make a note to us, if you need other size adapter please contact us first.