Reticle in the 2nd image plane with riflescope and target optics The reticle in the 2nd image plane does not simply increase in size when looking through the target optics. The distances between the crossbars become smaller and smaller with increasing magnification. Reticles in the 2nd image plane (eyepiece image plane) only have defined distances at one magnification, but always look the same size to the eye, so they are [...]