Specification:
Item Type: C Mount Lens
Material: Alloy
Purpose: Suitable for VGA USB industrial video microscope camera for electronic inspection, jewelry inspection, LCD, crystal inspection, etc.
Working Distance: Approx. 125mm / 4.9in
Zoom C Mount Lens: 0.5x C Mount Adapter
Zoom Ratio: 6.5:1
Objective Lens Magnification Power: 0.7-4.5X (approximately 10-180X on a 22in monitor)
Maximum Multiple Field of View: Approx. 2.8x1.5mm / 0.11x0.06in
Minimum Multiples Field of View: Approx. 25x14mm / 0.98x0.55in
Lens Length: Approx. 168mm / 6.6in
Lens Diameter: Approx. 50mm / 2.0in
Package List:1 x C Mount Lens
Note:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. The bottom of the lens is factory adjusted to fix the lens with exposed glue, which is normal.