How to clean the dust in the camera viewfinder?

1, prepare cleaning tools.

2. Push the reed with tweezers and then take it out upwards.

3. Blow it with air and blow it into the focus screen at an oblique angle.

There is also a copper washer inside. If there is no dust in it, it is recommended not to take it. If there is dust, just blow it clean with air.

5. Generally, blowing is enough. If it is not clean, it is recommended to wash it with household detergent and dry it with a brush.