Glass etching cream - Armour Etch: I bought this to get rid of the coating on polycarbonate eyeglasses that had become fragmented. It did the job and made them like new.
Keywords: ammonium bifluoride, armour etch, barium sulfate, glass etching cream, sodium bifluoride, sulfuric acid
Technical details about this picture: This picture is by Yenra Photography. The camera shot with was a NIKON D600. The lens was AF-S Nikkor 85mm f/1.4G. The camera profile used was Camera Vivid. The photo editing software to process this picture was Adobe Photoshop Lightroom 6.1.1 (Macintosh). The shutter speed for this pictures was 1/125. Film sensitivity was 100. Approximate focus distance was 1.19 meters. The bokeh perimeter was 0.030 mm.