That is not oil.....its thermal burns. Thermal burns happen when the eyepiece cap is not used. Sunlight burns the surface of the LCD display. This is permanent damage. Cleaning will not fix this. The repair center can fix.
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That is not oil.....its thermal burns. Thermal burns happen when the eyepiece cap is not used. Sunlight burns the surface of the LCD display. This is permanent damage. Cleaning will not fix this. The repair center can fix.