Recently, we developed a procedure for liquid handling of high quality ZIF-62-glass with accessible pore channels . This was achieved by optimizing the synthetic conditions of high quality ZIF-62(Zn) crystals (Figure ) and re-evaluating the melting processes for agZIF-62(Zn) (Figure ). The resulting agZIF-62(Zn) allows for quantification of gas diffusion coefficients via IR direct imaging techniques, for which optical transparency was a prerequisite. Now, starting from these highly transparent agZIF-62(Zn), we elaborate on their further processing towards real-world optical applications. For this, we initially revisit the optical properties of agZIF-62(Zn) based on homogeneous, highly transparent cm-scale samples which are free of residual contamination, bubbles, cracks, or grain boundaries compromising optical analyses.