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During DPReview’s tour of the Utsunomiya L lens factory, they had the opportunity to interview the 3 men that oversee the facility. This factory produced every L lens, cinema lens and broadcast lens in the Canon lineup.</p>
<p><strong>From the interview:</strong></p>
<blockquote><p><strong>What percentage of L lenses are manufactured in the Utsunomiya lens plant?</strong>
Because this is the ‘mother’ factory, 100% of L lenses are made here.</p>
<p><strong>How many different lenses can be manufactured simultaneously in this plant?</strong>
Basically, we create all lenses every day [including L-series EF, Cinema EOS and broadcast]. The only exception is some of the broadcast lenses.</p>
<p><strong>Which lenses in particular are the most difficult to manufacture and why?</strong>
Any large super telephoto lenses because of the size of the glass elements. In terms of skill required for lens assembly: the TV broadcast lenses are most difficult.</p>
<p><strong>How many lenses are produced at this lens plant every year, both in terms of types of lenses and total units?</strong>
We do not disclose total production for this plant. That said, Canon has produced a total of 120 million lenses over the years. Of course, many of those are kit lenses, which are not produced here, but in our facility in Taiwan. <a href="https://www.dpreview.com/interviews/4536277079/canon-lens-factory-interview">Read the full interview</a></p></blockquote>
<p>It’s nice to see Canon opening up a bit about how they manufacture what we think are consistently the best lenses in the world (No bias, honest!).</p>
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