52MM 无叉线超薄可调ND镜,ND2~ND32
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52MM 无叉线超薄可调ND镜,ND2~ND32
商品特点
- • 由光学眼镜制成，减少光线的摄入而不影响整体色彩平衡。
- • 纳米涂层技术，防水，防刮，防反射绿色涂层，有效防止油污，指纹，划伤，保护有价值的镜头。
- • 图像上没有“X”交叉。
- • 超薄边缘设计，防止广角渐晕。超强的航空铝框架确保耐用性和防止干扰。
ND FILTER
Reduces the amount of light entering the lens, thus decreasing camera shutter speed. Useful for situations where motion blur needs to be created (rivers, waterfalls, moving people) or large apertures must be used with flash to avoid overexposure.
Reduces the amount of light entering the lens, thus decreasing camera shutter speed. Useful for situations where motion blur needs to be created (rivers, waterfalls, moving people) or large apertures must be used with flash to avoid overexposure.
Without ND Filter
Use Contrast
With ND Filter
Without ND Filter
With ND Filter
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
Without ND Filter
With ND Filter
Without ND Filter
With ND Filter
NO ND
ND8
ND64
ND1000
No Filter
ND2
ND4
ND8
ND16
ND32
Multiple layer
nanometer coating
Reduction of reflection
Reduction of reflection
Scratch Resistant
Nanometer Coating
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
Enables slow shutter speeds to be used to record movement in subjects such as waterfalls, providing a silky smooth affect to flowing water.
| NDnumber | Optical density | f-stop reduction | Fractional transmittance | |
| 0 | 0 | 100% | 1 | |
| ND2 | 0.3 | 1 | 50% | 0.5 |
| ND4 | 0.6 | 2 | 25% | 0.25 |
| ND8 | 0.9 | 3 | 12.50% | 0.125 |
| ND16 | 1.2 | 4 | 6.25% | 0.0625 |
| ND32 | 1.50 | 5 | 3.13% | 0.03125 |
| ND64 | 1.8 | 6 | 1.56% | 0.015625 |
| ND100 | 2 | 62⁄3 | 1% | 0.01 |
| ND128 | 2.1 | 7 | 0.78% | 0.0078125 |
| ND256 | 2.4 | 8 | 0.39% | 0.00390625 |
| ND400 | 2.6 | 82⁄3 | 0.25% | 0.0025 |
| ND512 | 2.7 | 9 | 0.20% | 0.001953125 |
| ND1024/ND1000 | 3 | 10 | 0.10% | 0.001 |
| ND2048 | 3.3 | 11 | 0.05% | 0.000488281 |
| ND4096 | 3.6 | 12 | 0.02% | 0.000244141 |
| ND6310 | 3.8 | 122⁄3 | 0.02% | 0.000158489 |
| ND8192 | 3.9 | 13 | 0.01% | 0.00012207 |
| ND10000 | 4 | 131⁄3 | 0.01% | 0.0001 |
| ND100000 | 5 | 162⁄3 | 0.00% | 0.00001 |