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12X Zoom Lens

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  • 12X Zoom Lens
12X Zoom Lens
EEL005 _ 12X Zoom Lens _ 2Mega & 3Mega

1Taking Lens specification (Nominal value)

  • ① F-number : 2.2 (Wide) ~ 2.3 (Tele)
  • ② Effective Focal Length : f = 4.8 ~ 57.6mm (Zoom ratio 12x)
  • ③ Back Focal Length : 9.45mm (Wide,in air),10.3mm( Tele, in air)
  • ④ Image Plane Position
    * OV2715 : -0.31mm (OLPF t=0.7mm + Cover Glass t=0.445mm)
    * IMX036 : -0.90mm (OLPF t=0.7mm + Cover Glass t=0.70mm)
  • ⑤ Focusing Range : Wide 10cm ~ ∞ , Tele 100cm ~ ∞ (from 1st Lens R1)
  • ⑥ Field of View(unit : deg)
Wide Tele
Vertical 37.5 3.3
Horizontal 64.2 5.9
Diagonal 71.7 6.7
  • ⑦ Lens composition : 9 groups 11 elements (including 2 glass aspheric lenses)
  • ⑧ Zoom Driving : Stepping Motor (Moving 2nd Group & 4th Group)
  • ⑨ Focus Driving : Stepping Motor (Moving 4th Group) Including ND filter @small iris
  • ⑩ Iris System : Auto Iris (Driven by Servo motor)
  • ⑪ IR Cut Filter : Stepping Motor (On/Off type)
12X Zoom Lens
EEL005 / CL0201 _12X Zoom Lens _ 1.2Mega
No Items Description
1 Sensor 1/3 inch CMOS & CCD
2 Sensor Image Circle Sensor Effective Image Circle : Φ6.0mm
3 Focal Length 5.2~58.8 ±8% (Zoom Ratio : 12)
4 Aperture Φ7.2mm
5 Focus Range 20cm (Wide) ~1m(Tele)
6 Fno F/1.6~F/3.0 (Object distance : infinity)
7 Relative Illumination Wide : > 50%, Tele : > 43%
8 TV Distortion Wide : -3.0%, Tele : +0.3%
9 Optical Totla Track 68.42 mm (in air)
10 Flange Bank Length -0.31mm
11 Field Of View Diagonal : 64.1º(Wide) ~ 5.8º (Tele)
Horizontal : 51.3º(Wide) ~ 4.64º (Tele)
Vertical : 38.5º(Wide) ~ 3.48º (Tele)
12 IR Cut filtr Driving by IR cut filter actuator
13 BarrelSize Φ36.0 x L68.73(TTL)