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5X Zoom Lens

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  • 5X Zoom Lens
5X Zoom Lens
EEL003 _ 5X Zoom Lens

1Taking Lens specification (Nominal value)

  • ① F-number : 3.5 (Wide) ~ 3.7(Tele)
  • ② Effective Focal Length : f = 5.0 ~ 25.0 (38~190 at 35mm format)
  • ③ Back Focal Length : 4.46mm (Wide)~ 7.34mm (Tele) in air
  • ④ Focusing Range : Wide 10cm ~ ∞ , Tele 0.8m ~ ∞ (from 1st Lens R1)
  • ⑤ Field of View (Designed Value)
Wide Tele
Vertical 37.40 7.94
Horizontal 49.20 10.52
Diagonal 60.26 13.08
  • ⑥ Lens composition : 7 groups 10 elements (including 2 aspheric lenses)
  • ⑦ Zoom Driving : Stepping Motor (Moving 2nd Group & 4th Group)
  • ⑧ Focus Driving : Stepping Motor (Moving 4th Group)
  • ⑨ Relative Illumination : 50.0%(Wide), 55.0%(Tele) --- 1.0F(Designed Value)
  • ⑩ Auto Iris : Not Built
  • ⑪ D/N Filter : Built in