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How is this possible? "Magic" Tamron firmware update improves close-focusing of lens to half macro
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Tamron has launched a firmware update for the Tamron 25-200mm f/2.8-5.6 Di III VXD G2 that’s quite frankly mind-boggling.
3 actually increases the E-mount lens’ magnification ratio.
The magnification ratio at focal lengths of 25-70mm has been increased to 1:2 or greater.
Again, quite how it's possible to improve a lens' magnification via firmware is a mystery to me, but I'm definitely all for it!
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