CCTV Lenses
■Optical Graph
If using the
Camera Only
distance A (mm) | 10000 |
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Camera |
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| t1.5 |
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| 1000 |
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| t0 | t0 |
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| t2 |
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| t5 | t0.5 |
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| t1 | t0.5 |
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| t15t10 | t1.5 |
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| t2 t1.5 t1 | t0.5 |
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| t35 t30t25 t20 | t10 t5 | t2 | t1 | t0.5 |
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| t40 | t20 | t15 | t5 | t1.5 |
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| t2 | t1 |
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| t25 | t10 |
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| 100 | t20 | t15 |
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| t1.5 | t0.5 |
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| t5 |
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| t10 |
| t2 | t1 | t0.5 |
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| 40 | 4 |
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| 10 | t1.5 t1 |
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| ■ Meaning of Optical Graph | |||||||||||||||||
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| The X axis of the graph shows | |||||||||||||
t0 |
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| the field of vision L (mm), and | |||||||||||||||
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| the Y axis shows the camera | ||||||||||||||||
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| distance A (mm). | |||||||||||||||
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t0 |
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t0 |
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| Camera | |
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| t0 |
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| Extension Tube | ||
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| thickness: | |
t0 |
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| t (mm) | |||||
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| t: Extension |
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| Lens | |||
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| Tube length |
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| The value "t0" indicates |
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| Camera | |||||||
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| applications where an |
| distance | ||||||
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| Extension Tube is not | A | (mm) | ||||||
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| needed and the value "t5" |
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| indicates applications |
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| where a |
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| 1000 Tube is used. |
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Field of vision L (mm) |
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(mm) | 10000 |
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| Field of vision (mm) |
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| t0 | ||
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A |
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distance |
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| t2 | ||
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Camera |
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| t5 | t0 |
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| t10 |
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| t40 | t35 t30 t25 | t20 | t15 |
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| 1000 | t45 |
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| t60 | t50 |
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| t2 |
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| t5 |
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| t15 | t10 |
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| t50 |
| t25 t20 |
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| t45 | t40 t35 t30 |
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| 200 |
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| 100 | 1000 |
| 2 |
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Field of vision L (mm)
■CCTV Lenses
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| CCTV Lens |
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Model |
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Appearance |
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| 30 dia. |
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| 30 dia. | 30 dia. | 34.5 | 30 dia. | 24.5 | 30 dia. | 24.5 | 30 dia. | 29 | 32 dia. | 37 | 32 dia. | 42.5 | 32 dia. | 43.9 | |
| 30 | 34.5 |
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Focal length | 6 mm | 8 mm | 12 mm |
| 16 mm |
| 25 mm |
| 35 mm |
| 50 mm |
| 75 mm | 100 mm | ||
Brightness | F1.4 | F1.3 | F1.4 |
| F1.4 |
| F1.4 |
| F1.9 |
| F1.8 |
| F2.7 |
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| F3.5 |
Filter size | M27 | M25.5 | M27 |
| M27 |
| M27 |
| M27 |
| M30.5 |
| M30.5 |
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P0.5 | P0.5 | P0.5 |
| P0.5 |
| P0.5 |
| P0.5 |
| P0.5 |
| P0.5 |
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■Extension Tubes
Model
Contents
Set of 7 tubes
Maximum outer diameter: 30 mm dia.
■Precautions
Do not use the
15