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

Continue reading “New Canon DO Patents: 500mm f/4, 500mm f/5.6, 600mm f/4, 800mm f/5.6”

New Patents: Canon 30mm f/2.8, 18-90mm f/3.5-5.6, 18-135mm f/3.5-5.6 Lenses

canon 30mm f 2.8 18-90mm 18-135mm

Egami posted several new Canon lenses patents for APS-C cameras. These patents are:

  • 30mm f/2.8
  • 18-90mm f/3.5-5.6
  • 18-135mm f/3.5-5.6

Continue reading “New Patents: Canon 30mm f/2.8, 18-90mm f/3.5-5.6, 18-135mm f/3.5-5.6 Lenses”

EF 200-400mm f/4L 1.4x to be announced tonight, MTF Charts leaked

Canon EF 200-400mm f/4L IS USM Extender 1.4x

As rumored yesterday, the EF 200-400mm f/4L IS USM Extender 1.4x will officially announced tonight. The price of this len will cost about $12,000, get your money ready.

Weight of this lens is 3620g, and release date in late May.

Continue reading “EF 200-400mm f/4L 1.4x to be announced tonight, MTF Charts leaked”

EF 800mm f/5.6L IS II and EF 100-400mm IS II to be announced in 2013

EF-800mm-EF-100-400mm

More Canon lenses coming in 2013. From the trusted source, the successors of Canon EF 800mm f/5.6L IS USM and EF 100-400mm f/4.5-5.6L IS USM are to be announced late this year.
Continue reading “EF 800mm f/5.6L IS II and EF 100-400mm IS II to be announced in 2013”