The compact wide angle converter lens wc e75a will widen the angle of your coolpix p7000 and p7100 camera by a factor of 075x effectively changing the 20mm wide end of the zoom to approximately 15mm please note that the nikon wc e75a converter for p7000 and p7100 requires the nikon ur e22 lens adapter ring to mount onto the nikon p7000 and p7100 coolpix cameras