New Canon Patents: EF 100-400mm f/4.5-5.6 and EF 70-300mm f/4.5-5.6

new 100-400 70-300

Canon field another two new lens patents in Japan. The two patents are:
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New Canon DO Patents: 500mm f/4, 500mm f/5.6, 600mm f/4, 800mm f/5.6

Egami published several new DO patents from Canon.

  • Canon EF 500mm f/4 DO
  • Canon EF 500mm f/5.6 DO
  • Canon EF 600mm f/4 DO
  • Canon EF 800mm f/5.6 DO

Several weeks ago, the EF 400mm f/4 DO IS II also published.

500mm f/4
500mm f/4

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EF 100-400mm f/4-5.6L IS II to be announced with 7D Mark II

Current Canon EF 100-400mm f/4.5-5.6L IS USM
Current Canon EF 100-400mm f/4.5-5.6L IS USM

The successor of Canon EF 100-400mm f4-5.6L IS lens is rumored to be announced with the Canon EOS 7D Mark II. The launch date would be in late summer or early fall 2013.

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