照片尺寸: 50mm x 50mm Below FYIThe photographs should be: Of you, on your own2" high x 2" wide (50mm square) Two identical printsRecent(taken within the last six months) showing current appearance Taken against a white, cream or light grey plain background, so that features are clearly distinguishable against the backgroundIn sharp focus & clearHave a strong definition between the face and backgroundNo shadows on faceYour full face, looking straight at the cameraA neutral expressionEyes open & clearly visible (without sunglasses or heavily tinted glasses)No reflection on your spectacles, the frames should not cover your eyesNo red eyeNo hair across your eyesYour full head, without any head covering, unless it is worn for religious beliefsA close-up of your head & shoulders so that your face covers 50% of the photographThe head (measured from the top of hair to the bottom of chin) should measure between 1" and 1 3/8" (25mm to 35mm)The eye level between 1 1/8" to 1 3/8" (28mm to 35mm) from the bottom of the print.

50*50毫米. 白底.

1、辦理去美國簽證需要50×50毫米的白底彩照。

2、每個國家的大使館對簽證照片的要求不一樣,最常見的為護照照片,即兩寸白底彩照。 而有一些使館對照片的顏色、尺寸、清晰度都有詳細(xì)規(guī)定，如：印度需要4*3.5的藍(lán)底彩照,美國需要5*5的白底彩照等。

3、簽證（visa），是一個國家的主權(quán)機關(guān)在本國或外國公民所持的護照或其他旅行證件上的簽注、蓋印，以表示允許其出入本國國境或者經(jīng)過國境的手續(xù)，也可以說是頒發(fā)給他們的一項簽注式的證明。概括的說，簽證是一個國家的出入境管理機構(gòu)（例如移民局或其駐外使領(lǐng)館），對外國公民表示批準(zhǔn)入境所簽發(fā)的一種文件。