Below you can see the front view size comparison of Panasonic FZ2500 and Nikon DL24-500. Nikon DL24-500 is 15mm narrower and 12mm shorter than Panasonic FZ2500 but it is also 4mm thicker.
Panasonic FZ2500 vs Nikon DL24-500 - Front View
Panasonic FZ2500 vs Nikon DL24-500 - Top View
The chart below depicts how two cameras compare with average dimensions of the cameras in their class.
Camera Size Comparison
Select Two Cameras for Size Comparison