Nikon D2Hs has a
4.0MP APS-C (23.7 x 15.5 mm ) sized JFET sensor . On the other hand, Canon 1D MII N has a
8.0MP APS-H (28.7 x 19.1 mm ) sized CMOS sensor .
Below you can see the D2Hs and 1D MII N sensor size comparison.
As seen above, Canon 1D MII N has a 1.5x Larger sensor area than Nikon D2Hs. Larger sensors give photographer more control on the depth of field and blurry background compared to smaller sensor when shot in same focal length and aperture.