옵토로직스

3X Zoom Lens

  • PRODUCT
  • 3X Zoom Lens

1Taking Lens specification (Nominal value)

  • ① F-number : 2.8 (Wide) ~ 5.6 (Tele)
  • ② Effective Focal Length : f = 4.4 ~ 13.2 (Zoom ratio 3)
  • ③ Back Focal Length : 2.33 (Object distance= infinity ,in air)
  • ④ Focusing Range : Wide 10cm ~ ∞ , Tele 10cm ~ ∞ (from 1st Lens R1)
  • ⑤ Field of View
Wide Tele
Vertical 42.18 14.96
Horizontal 55.08 19.74
Diagonal 66.84 24.48
  • ⑥ Lens composition : 7 groups 9 elements (including 1 glass aspheric, 2 plastic aspheric and 1 prism)
  • ⑦ Zoom Driving : Stepping Motor (Moving 2nd Group & 3rd Group)
  • ⑧ Focus Driving : Stepping Motor (Moving 3rd Group)
  • ⑨ Iris mechanism : Fixed Iris

2Taking Lens Auto Focusing (AF) Mechanism

  • ① AF Method : TV-AF
  • ② AF Working Range :  Infinity ~ 10cm (Object distance)