Continue reading...DPReview had a chance to interview some senior engineers and planners at Canon to discuss all things lenses and the future.
Canon employees interviewed:
Manabu Kato – Head of EF + RF mount R&D
Yoichi Sato – EOS camera electronics R&D
Shogo Yamaguchi – Optical planning specialist
Some highlights from the interview:
How have you made the 70-200mm so small?
We were actually surprised as we started developing this particular product. The idea is that, with the introduction of the large diameter mount with the shorter back-focus distance, we were expecting it to be more suitable for designing wider-angle lenses, but it turned out to be very effective for designing this telephoto lens.
Can you give any insight into the DS technology?
With lens such as the 85mm F1.2 bokeh is a really important factor, because it’s a portrait...