佳能公布RF14-28mm F2、RF10-24mm F4鏡頭專利近日,佳能公布RF 14-28mm F2、RF 10-24mm F4鏡頭專利,專利編號(hào)分別為US20190324229、JP2019-184733。目前,在標(biāo)準(zhǔn)變焦鏡頭方面,佳能RF卡口已擁有RF 28-70mm F2 L USM、RF 24-70mm F2.8 L IS USM以及RF 24-105mm F4 L IS USM三款鏡頭。此外,目前佳能已經(jīng)完成RF卡口F2.8系列大三元構(gòu)建?梢曰緮喽ǎ涯軐(huì)逐步完成構(gòu)建RF卡口F2超級(jí)大三元以及F4小三元組合。 佳能RF 14-28mm F2鏡頭專利詳情: 焦距:14.42mm 19.78mm 27.16mm 光圈:2.06 2.06 2.06 半畫角:56.32° 47.56° 38.54° 像高:21.64mm 21.64mm 21.64mm 鏡頭全長(zhǎng):164.32mm 150.29mm 146.47mm 后焦距:16.13mm 16.13mm 16.13mm 佳能RF 10-24mm F4專利詳情: 焦距:10.30mm 14.94mm 23.30mm 光圈:4.12 4.12 4.12 半畫角:64.54° 55.38° 42.88° 像高:21.64mm 21.64mm 21.64mm 鏡頭全長(zhǎng):156.50mm 145.83mm 144.37mm 后焦距:12.00mm 12.00mm 12.00mm |