Research on Monitoring Method of Remote Deformation and System Application Based on Image

Table 1

Specification parameters of the lens.

Category	Parameters
Model	CW-VM12120-3MP
Focal length	12–120 mm
Format	1/1.8″
Relative aperture (D/f′)	1 : 1.8
Interface	C-mounts
Viewing angle (F.0.V) (H/V) 1/1.8″	W 32.4° × 24.6°/T 3.7° × 2.8°
Flange back intercept	17.53 mm
The aperture	Manual/lock (W/lock)
Zoom	Manual/lock (W/lock)
Distortion	W–0.12%/T 0.00%
Resolution	3 megapixels
Close-up distance (M.0.D) (m)	0.5 m
Dimension	Φ46.0 × 93.0 mm
Weight (g)	238 g
Structure	Aluminum alloy + 14G
Filter size	M43.0 × 0.75p