单反相机是什么（单反相机是什么变焦）

?????告?烘???涔?????

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?变????????????界?ㄤ?涓???澶达??????告?哄??互瀹??版??瑙?宸???虫??璋???????瑙??虫??寰?????

?╁?璧???

瀹?????涓?涓???澶达??㈢?ㄥ???褰变??ㄥ????????姝よ?宸?????烘????拌В?炽???????舵?ヨ??????╃????绾跨???澶磋???︼?琚???缃???????????灏??拌???︿?????锛???缁?杩?椤堕?ㄨ捣????"灞???妫遍??"??灏?锛???褰辫????杩?????????灏辫?借?瀵????┿????涓????涓?宸﹀?抽?戒????╃?稿????褰卞??锛???姝ゅ??????璋??﹂?藉?????逛究??

??褰辨?讹???????浼?绔??诲脊璧锋?ワ???澶村???????ㄦ?剁缉?伴?瀹????板?硷?蹇??ㄥ???娇?剁??????锛?????缁?????蹇??ㄥ?抽?????????????澶村???????跺?浣???

????澶村?????告?哄??互?????㈢?ㄤ??堕??濂?????绉?骞胯???涓??﹁???杩????????﹁???澶达?涔??芥?规????瑕??ㄩ??澶村?瑁?杩??????????ュ欢浼告?ョ????浼哥缉??????

?讳??℃???戒??????ㄩ????娓?妤??????╋??х?告?洪?借?芥????涓??ャ??浣跨??20?跺?风??绠?????????澶村?????х?告?轰?????ㄤ?妫遍??锛?濡??垮??DF锛?4??锛?锛????存?ュ?ㄦ??荤??涓???????璋??︼?

涓???楂?妗ｅ????澶村?????х?告?鸿???互???淇???????ㄥ?????濡???姹?S锛?201??灏煎悍F3锛?锛???姝ゅ???峰??互??????澶村?????告?轰??疯?琛?浣?浣?浠版??????缃???????杩?涔???????澶村?????х?告?洪??姝ュ??浠ｅ????澶村?????х?告?虹??????涔?涓???

????璧???锛??惧害?剧?-?????告??/a>

浠?涔????????告??/h1> ???ョ?棣?椤?/a>?ㄦ??span class="new-icon">璁よ??ㄦ??/a>瑙?棰?浣???甯?府??/a>璁よ??㈤????浼?浜?img class="triangle_icon" src="https://iknow-zhidao.bdimg.com/static/common-new/widget/menu/img/triangle.47e7008.svg" alt="">浼?涓?濯?浣??垮??朵?缁?缁?????娉?寰????虹?棰??????惧害?ラ??> ????绫?/nav>浠?涔????????告??/span>

????锛?涔?灏辨??????澶村?????????ㄨ?绉????????х?告?哄????涓?涓???澶达?杩?涓???澶存?㈣?璐ｆ??褰变??ㄥ??ュ??????杩??蜂??ュ氨?藉?烘???瑙ｅ?宠?宸????????х??璐ㄩ??涓????????????涓??ㄥ?????告?哄?????舵?ヨ??????╃????绾跨???澶磋???︼?琚???缃???????????灏??拌???﹀?涓?????锛???缁?杩?椤堕?ㄨ捣??????灞???妫遍??????灏?锛???褰辫????杩?????????灏辫?借?瀵????╋???涓????涓?宸﹀?抽?戒????╃?稿????褰卞??锛???姝ゅ??????璋??﹂?藉?????逛究???ㄦ??褰辨?讹???????浼?绔??诲脊璧锋?ワ???澶村???????ㄦ?剁缉?伴?瀹????板?硷?蹇??ㄥ???娇?剁??????锛?????缁?????蹇??ㄥ?抽?????????????澶村???????跺?浣???杩?灏辨???告?轰腑????????????板?ㄧ???扮???告?洪???ㄨ?绉???????灏辨??涓轰?涓?涓?绾х???扮???????告?恒??
????澶村???????????瑰??烘???灏辨???崇??涓?涓?瀹?浣?锛?杩?涔?娉ㄥ?浜??扮???????告?虹??涓?涓???璺???充娇???㈠???????ㄦ?峰?????у????浜у??涔??ユ??澶ч??杩?浜轰?澶???

?????告?烘???涔?????

?????告?哄??????ㄥ????澶达?骞朵???绾块??杩?姝ら??澶寸?у??板??????涓?锛???杩????????????告?恒??

?????告?虹????绾块??杩???澶村?拌揪????????锛???灏??颁??㈢??瀵圭?﹀?骞剁???褰卞??锛???杩? ?ョ??????浜?妫遍??锛???浠???互?ㄨ????涓????板??㈢?????┿?? 

????杩?????锛?琚?????????灏??扮（???????涓?????杩?涓????搁????骞跺?ㄤ?妫遍??涓???灏?锛???缁??惧???虹?板?ㄥ?????涓???褰???涓?蹇??????????娌跨?澶存??绀烘?瑰??绉诲?????????琚???捣锛??惧??琚??????CD??CMOS涓?锛?涓??????涓??????扮??涓??淬??

?╁?璧???锛?

?????告?虹??浼??癸?

1??瀹?????涓?涓???澶达??㈢?ㄥ???褰变??ㄥ????????姝よ?宸?????烘????拌В?炽??

2??????澶村?????告?哄??互?????㈢?ㄤ??堕??濂?????绉?骞胯???涓??﹁???杩????????﹁???澶达?涔??芥?规????瑕??ㄩ??澶村?瑁?杩??????????ュ欢浼告?ョ????浼哥缉??????

?????告?虹??缂虹?癸?

1??绗ㄩ??锛?涓?渚挎?哄甫

?变??????告?虹??????????浜?妫遍?????涓??????锛??鸿韩???舵??娉???寰???灏???

2???烘????ㄥ????０

?????垮伐浣????跺??锛?杩???蹇??ㄥ?寮??????跺??锛?缁?澶у??板?????告?虹????０?藉?澶э??ㄤ?浜?瑕?姹?瀹??????????娉?浣跨?ㄣ??

3????瑙??虫??寰???璐?褰卞??

?变?????????杩???澶达??界?舵????瑙??虫??寰?锛?浣???????????跺????澶寸???剁害锛?瑙?????浜?害????澶村奖??寰?澶э?浣跨?ㄤ?????澶у????姣?杈?澶х????澶存?讹??????ㄤ?璁告??浜??浣???娇?ㄤ???????姣?杈?灏?????澶村?????讹?瑙???灏变?姣?杈?????

4????浣?澶???

5????????澶ч??璧???????/p>

6????瑕??瑰??敞??娓?????淇???/p>

????璧????ユ?锛??惧害?剧?????????澶村?????告??/a>