Zoom C-Mount Lens:
0.35X C-mount Adapter (120X)
Zoom Ratios: 6.5:1
Working Distance: 100mm
Objective Magnification Power by 0.7X - 4.5X
Size: 142mm(L) * 50mm(DIA)
0.5X C-mount Adapter (180X)
Zoom Ratios: 6.5:1
Working Distance: 100mm
Objective Magnification Power by 0.7X - 4.5X
Size: 168mm(L) * 50mm(DIA)
1X C-mount Adapter (300X)
Zoom Ratios: 6.5:1
Working Distance: 100mm
Objective Magnification Power by 0.7X - 4.5X
Size: 245mm(L) * 50mm(DIA)
The 0.3X and 0.5X objective lenses increase the working distance and reduce the magnification.
The 2X objective lens is to increase the magnification and reduce the working distance.
0.3X objective lens: working distance is about 420mm-460mm
0.5X objective lens: working distance is about 160mm-200mm
2X objective lens: working distance is about 30mm-10mm