- 3X Zoom Lens
- EEL001 _ 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)