“…The image was focused within the small screen using outer focus ring and inner focus ring until indicator light reaches up window closed. The image acquire icon 2010; Kariuki & Tum, 2019;Sarah et al, k is a constant taken to be 0, 9 (assuming no crystal distortions in the lattice), β is the width at half maximum of the radians corrected for the instrumental broadening and θ is the diffraction angle in degrees.…”