New 14 and 135 mm cinema EOS lenses announced

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Quackator said:
With a cinema mount they have to be parfocal in their construction,
which in turn means they have to be new constructions.

All of Canon's primes are parafocal because they can't zoom. Which means that Canon can re use an existing optical formular. But all of Canon's EF zooms change focal length as their focus point moves.
 
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