원문:
http://www.canonrumors.com/patent-canon-ef-17-35mm-f-4-5-6-is-stm/
Patent: Canon EF 17-35mm f/4-5.6 IS STM
We’ve heard some chatter that Canon would continue to develop it’s non-L zoom lenses for full frame camera lineup and this patent for an EF 17-35mm f/4-5.6 IS would seem to fit into that segment.
Canon News, a new leader in patent tracking found this one.
Canon EF 17-35mm f/4-5.6 IS STM Optical Formula
Focal distance: 17.50 25.12 34.09
F number: 4.00 4.85 5.88
A half field angle (degree): 51.03 40.73 32.40
Image height: 21.64 21.64 21.64
Whole length of the lens: 130.88 128.52 134.05
BF: 37.60 49.75 64.06
Japan patent application 2017-161568
요약
우리는 캐논이계속해서 풀프용 non-L줌렌즈를 개발할것이며 EF 17-35mm f/4-5.6 IS렌즈의특허가이에적합할것이라고들었다.
음..특허이기는하지만 풀프용 non-L 17-35mm렌즈라면 중저가렌즈인듯한데 나오면좋을듯하네요.
★ 신라면매운맛님의 팝코 앨범 ★
https://photo.popco.net/58191
추천 0
