科技要闻-新浪科技: 测试已完成 佳能800mm f/5.6L二代镜头将发

科技要闻-新浪科技

科技时代-科技要闻

测试已完成 佳能800mm f/5.6L二代镜头将发
http://go.rss.sina.com.cn/redirect.php?url=http://tech.sina.com.cn/digi/dc/2013-09-04/08578706247.shtml
Sep 4th 2013, 00:57

佳能EF 800mm f/5.6L IS USM
　　根据CR最新报道，佳能EF 800mm f/5.6L IS USM II镜头已完成各项测试，目前已进入到最后的发布程序内，而佳能也将择日正式推出该镜头。
　　据悉，新镜头在光学结构方面与上一代镜头"几乎相同"，其主要改进在于使用了新型轻量化材料，并通过改良镜片材料、镀膜技术等方式，减轻目前产品存在的渐晕暗角问题，提升成像锐度。另有消息指出，新镜头还将内置增距镜功能。
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