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<p>[QUOTE="Rudy1198, post: 7406877, member: 105072"]Personally, I doubt it was done without magnification. Humans always want to make things easier, and magnification helps in many applications. There are references to using "younger men with sharper eyes" for detailed work, but I'd have to pull the reference. I can definitely make it work without my goggles, but it is indeed much easier to be more accurate with magnification. A lot of it is getting used to the scale, I often work with punches smaller than 1mm at the tip, or making tiny corrections with a graver. It is possible with the naked eye, but I would use lenses whenever I can for my own sanity. </p><p><br /></p><p>However, absence of evidence is not evidence of absence. Romans did have lenses and may have used them in engraving, two such lenses have been found in workshops of artists, one from an 1854 excavation of a supposed engraver in Pompeii. The technology was there, but rare, and depending on how you interpret it, may have been used for vision correction instead of craftwork. </p><p><br /></p><p>We have descriptions of lenses and crystal balls used to start fires, and crystals polished to magnify or focus the sun's rays dating back to at least 1550 BC. So, we can't definitively say yes, they had lenses for magnification, but we can take a good guess and say that the lenses were there and MAY have been used to magnify engraving work. </p><p><br /></p><p><a href="https://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World?fbclid=IwAR0Ux9lLoV44qAUVGtEoK9vXKLANIFa_pBHqG4ucs9ls7PJqVcjCshnHV5o" target="_blank" class="externalLink ProxyLink" data-proxy-href="https://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World?fbclid=IwAR0Ux9lLoV44qAUVGtEoK9vXKLANIFa_pBHqG4ucs9ls7PJqVcjCshnHV5o" rel="nofollow">https://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World?fbclid=IwAR0Ux9lLoV44qAUVGtEoK9vXKLANIFa_pBHqG4ucs9ls7PJqVcjCshnHV5o</a>[/QUOTE]</p><p><br /></p>
[QUOTE="Rudy1198, post: 7406877, member: 105072"]Personally, I doubt it was done without magnification. Humans always want to make things easier, and magnification helps in many applications. There are references to using "younger men with sharper eyes" for detailed work, but I'd have to pull the reference. I can definitely make it work without my goggles, but it is indeed much easier to be more accurate with magnification. A lot of it is getting used to the scale, I often work with punches smaller than 1mm at the tip, or making tiny corrections with a graver. It is possible with the naked eye, but I would use lenses whenever I can for my own sanity. However, absence of evidence is not evidence of absence. Romans did have lenses and may have used them in engraving, two such lenses have been found in workshops of artists, one from an 1854 excavation of a supposed engraver in Pompeii. The technology was there, but rare, and depending on how you interpret it, may have been used for vision correction instead of craftwork. We have descriptions of lenses and crystal balls used to start fires, and crystals polished to magnify or focus the sun's rays dating back to at least 1550 BC. So, we can't definitively say yes, they had lenses for magnification, but we can take a good guess and say that the lenses were there and MAY have been used to magnify engraving work. [URL]https://www.academia.edu/467038/The_Use_of_Magnifying_Lenses_in_the_Classical_World?fbclid=IwAR0Ux9lLoV44qAUVGtEoK9vXKLANIFa_pBHqG4ucs9ls7PJqVcjCshnHV5o[/URL][/QUOTE]
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