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These protection covers are high quality optical products which are produced through precision polishing. They ensure clear, distortion free protection for your camera objective or other sensitive equipment. We provide domes from glass, quartz and sapphire, depending on the temperature, shock and scratch resistance required. These items are not stocked and will be manufactured on customer request only. | Specification limits: | | 
| | Surface figure: | 3l over the whole surface | | Thickness tolerance: | ± 0,25 mm | | Dimension tolerance: | ± 0,1 mm |
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