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Amanda DunnJul 27, 2025
Why is the image not sharp on my National 111?
- CCheryl MathewsJul 27, 2025
If the image from your National Microscope isn't sharp, it might be due to dirty objective lenses. Try cleaning them. Alternatively, the eyepiece lens could be dirty, so clean those as well. Also, too much light can cause this issue; adjust the disc diaphragm to reduce the light.
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