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Message: <blockquote data-quote="nickt" data-source="post: 639108" data-attributes="member: 4923"><p>Hmmm. Making me think hard. The minimum focus distance of this lens is 11.8" to the sensor. The length of the lens is listed as 3.74". Trim off about 3/8" of that lens length for the rear element poking passed the mount, so we'll call it 3.4" for lens length. So we calculate working distance as 11.8 - 3.4 = 8.4" It sounds good on paper, but I think this is an external focus lens, meaning the length grows as you focus close. So my calculations are useless, lol. Having that lens extended would probably put you in the 4" range for working distance to get 1:1.</p></blockquote><p></p>