- 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
