Zoom C-Mount Lens:
0.35x C Mount Adapter (120x)
Zoom Ratio: 6.5:1
Operating Distance: 3.9 inches (100 mm)
0.7x -4.5x objective magnification power
Size:142mm(L) * 50mm(DIA)
0.5x C-Mount Adapter(180x)
Zoom Ratio: 6.5:1
Operating Distance: 3.9 inches (100 mm)
0.7x -4.5x objective magnification power
Size:168mm(L) * 50mm(DIA)
1 x C-Mount Adapter (300X)
Zoom Ratio: 6.5:1
Operating Distance: 3.9 inches (100 mm)
0.7x -4.5x objective magnification power
Size: 9.6 inches (245 mm) (L) x 2 inches (50 mm)
0.3x and 0.5x objective lenses increase working distance and reduce magnification.
Two times the objective lens is to increase magnification and reduce working distance.
0.3x aimed lenses: Working distance is approximately 16.5 - 18.1 inches (420 - 460 mm)
0.5x Purpose Lenses: Working distance is approximately 6.3 - 7.9 inches (160 - 200 mm)
Double purpose lenses: Working distance is approximately 1.2 - 0.4 inches (30 - 10 mm)