[閒聊] 遮光罩真的有"遮光"效果嗎?
最近在物色鏡頭
發現有些廠牌的鏡頭
好像沒有附遮光罩
必須另外購買
而且又不便宜
雖然有副廠的
但有原廠癖呀...........
突然想到
到底遮光罩
真的有發揮過"遮光"的效果嗎?
(其實還可以防止手碰到UV 、專業度+10、霸氣+5.....)
不知道有沒有哪個網站
有那種實測遮光罩
真的發揮過功能的實驗照???
ex:當光線從水平幾度角、垂直幾度角內射入時
沒有遮光罩產生比有遮光罩時的光斑、或曜光、或成像不飽滿????????????????
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