| IMAGE COMPOSITION YJ20x8.5B Series |
| Object Image Format |
2/3 Inch 16:9 Aspect Ratio |
Object Image Size (Presented to
Camera Imagers) |
9.6 mm (H) x 5.4 mm (V) |
| Zoom Ratio |
20 X |
| Focal Length Range |
8.5------------170mm |
| with Extender |
17------------340mm |
| Angular Field of View : |
|
| At 8.5mm |
58.8° (H) x 35.2° (V) |
| At 170mm |
3.2° (H) x 1.8° (V) |
| With Extender: |
|
| At 17mm |
31.5° (H) x 18.0° (V) |
| At 340mm |
1.6° (H) x 0.9° (V) |
| SCENE COMPOSITION
YJ20x8.5B Series |
Minimum Object Distance (MOD)
(From Front of Lens) |
0.9 Meter (10mm with Macro) |
Scene Object Dimensions
at MOD |
|
| At 8.5mm |
92.5 cm x 52.0 cm |
| At 170mm |
4.8 cm x 2.7 cm |
| With Extender |
|
| At 17mm |
47.6 cm x 26.8 cm |
| At 340mm |
2.5 cm x 1.4 cm |
| OPTICAL BRIGHTNESS
YJ20x8.5B Series |
| Maximum Relative Aperture |
|
| (F-Number) |
|
| At 8.5mm-------113.3mm |
1 : 1.8 |
At 170mm (Ramping
Characteristic) |
1 : 2.7 |
| with Extender |
|
| At 17mm-------226.7mm |
1 : 3.6 |
At 340mm (Ramping
Characteristic) |
1 : 5.4 |
| PHYSICAL ATTRIBUTES
YJ20x8.5B KRS |
| Size |
|
|
| Width |
163.3mm |
6.4in |
| Height |
103.0mm |
4.1in |
| Length |
170.4mm |
6.7in |
| Weight |
2.58lbs 1.17kg |
| YJ20x8.5B IRS |
| Size |
|
|
| Width |
163.3mm |
6.4in |
| Height |
103.0mm |
4.1in |
| Length |
195.4mm |
7.7in |
| Weight |
3.06lbs 1.39kg |
