Figure 2. USAF resolution target images were utilized to determine FOV, resolution, and other optical system parameters with a reference Leica microscope that included.

(A) a 20x magnification; and (B) a 40x magnification. The USAF target images on the bottom were acquired using the polarized mobile platform with (C) full zoom with microscope attachment for cell-phone on iPhone 5s and (D) Digitally zoomed image taken from the cell-phone image shown (C).