This is the 14687th most frequent German word.
nachschärfen
To refine or sharpen further.
In this sentence, 'nachschärfen' implies fine-tuning a specific adjustment, suggesting improving the settings for better results.
Ich muss die Einstellungen der Kamera nachschärfen.
I need to fine-tune the camera settings.
Here, 'nachschärfen' is used in the context of increasing the sharpness of the image for enhanced clarity.
Der Fotograf entschied sich, das Bild nachzuschärfen.
The photographer decided to sharpen the image further.
In this case, 'nachschärfen' means to refine or enhance one's arguments or reasoning for improvement.