CCTV lenses
Varifocal lenses
3.5-8.0mm
Reference technical notes | ||||||
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Focusing point changes after zooming, when using varifocal lenses. Therefore, in this case, focusing operation must be made again, contrarily to what happens by using zoom lenses |
| VF-0308 | VF-0308GV | VF-0308GVX |
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| Connection diagrams | ||
 The distorsion have been reduced from 40% of the previous model to 10%  |  |  |
VARIFOCAL 3,5-8mm | VF-0308 | VF-0308GV | VF-0308GVX | ||
| Case | metal | ||||
| Image format | 1/3" | ||||
| Focal lenght | mm | 3.5-8 | |||
| Max. aperture ratio | f | 1.4 | |||
| Iris operation | manual | video signal autoiris galvanometer type | direct drive autoiris galvanometer type | ||
| Iris range | 1.4-close | 1.4-360 | |||
| Focus operation | manual | ||||
| Focus range | NEAR-FAR | ||||
| Zoom | manual | ||||
| Zoom range | T W | ||||
| Angle field of view (D x H x V) | 1/4" | tele | 32.8° x 26.3° x 19.8° | ||
| wide | 69.6° x 56.5° x 42.7° | ||||
1/3" | tele | 43.5° x 35.0° x 26.3 | |||
wide | 88.5°x 73.8° x 56.5° | ||||
| Min.object distance | m | 0.3 | |||
| Back focal lenght | mm | 8.64 ~ 14.6 | |||
| Effective diameter | front | 21.5mm | |||
rear | 8.0mm | ||||
| Filter screw size | - | ||||
| Operating temperature | -10° +50°C | ||||
| Mount | CS | ||||
| Mechanical dimensions (dia x l) | mm | 37.6 x 48.1 | 36 x 47.1 x 48.1 | ||
| Weight | g | 89.8 | 77.9 | 76.6 | |
| VF-P0308GVX |
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| Connection diagram |
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VARIFOCAL 3,5-8mm | VF-P0308GVX | ||
| Case | plastic | ||
| Image format | 1/3" | ||
| Focal lenght | mm | 3.5-8 | |
| Max. aperture ratio | f | 1.4-1.96 | |
| Iris operation | direct drive autoiris galvanometer type | ||
| Iris range | 1.4(1.96)-360 | ||
| Iris speed | - | ||
| Iris input voltage and current | - | ||
| Iris sensitivity adjustment | - | ||
| Focus operation | manual | ||
| Focus range | NEAR-FAR | ||
| Zoom | manual | ||
| Zoom range | T W | ||
| Angle field of view (D x H x V) | 1/4" | tele | 32.8° x 26.3° x 19.8° |
| wide | 69.6° x 56.5° x 42.7° | ||
1/3" | tele | 43.5° x 35.0° x 26.3 | |
wide | 88.5°x 73.8° x 56.5° | ||
| Min.object distance | m | 0.3 | |
| Back focal lenght | mm | 8.64 ~ 14.16 | |
| Effective diameter | front | 21.5mm | |
rear | 8.0mm | ||
| Filter screw size | - | ||
| Operating temperature | -10° +50°C | ||
| Mount | CS | ||
| Mechanical dimensions (Dia x (H) x L) | mm | 36 x 47.1 x 48.1 | |
| Weight | g | 61 | |
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