Reply to thread

Message: <blockquote data-quote="Horoscope Fish" data-source="post: 179713" data-attributes="member: 13090">Acquire tape measure.Stretch out several feet of said tape measure on the floor.Very carefully focus on, say for instance, the 6' mark of aforementioned and laid out tape measure, preferably at an angle approaching 45 degrees. One could also place a small object at a known distance to focus on instead.Take photo of said tape measure with focus on 6' mark or on small object acquired for said testing.Check photo at 100% magnification and see if the 6' marker, and/or small object, is in focus......</blockquote>