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70-200mmͷԶԽͷеľ佹ΣҲǼԶͷij̱سIJƷξͷзϸνDz¼¶Ĥ۶ͷӦú͵ҳҲø֧70-200ΪձƵľͷ̣Ѿӵ֧70-200 F2.8ͷƷ20172³ַµ֧70-200 F2.8֧¾ͷڶⶼ˸£ۺϱֺͼ۸ȻҲ£ͨģ㽫ȫ˽֧ͷƺص㡣ڲ㣿ҲǼʼǣĺҲĹ۵㡣
һӰķѣ ֪һᱻȡЦƷһ˿ܻİЩ˳ι֪ԼĵϽӵͷߵӰ˾֪ԭͷСԭ롰֮֡콫ۡһ㡢òסȹؼʻȺţרҵͷҲЩԵ
SP 70-200mm F2.8 Di VC USD G2ͺA025ƷSP (Super Performance) רҵϵеIJƷӾͷͺž֧ܿͷF2.8㶨ȦŻ߱ѧóи߶ûװڵȡɼͷڹ֡˵顢ͷһС˿
ͷͼ࣬ͨɫǹʸСϿ¿ͷһ70-200mmͷA009ܴеϵͷƷڲʱҴǼEOS 5D MarkIII뾵ͷƥǺгڹֺ͡
SP 70-200mm F2.8 Di VC USD G2ͺA025һƷA009õĶ1723ƬľͷṹΪھƬѡҲȫͬӾͷṹͼɼ¾ͷϿͷһöLDɫɢƬ1öXLDɫɢƬ5öLDɫɢƬڲ־ĵҲŻ
SP 70-200mm F2.8 Di VC USD G2ͷMTF
ӹٷṩMTFϿɼ֧ͷ200mm˳ɫȶԵʾһ70mmijɫԵѷ200mm˵ı֡ǴӾͷϸϸµ˽Ʒ
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SP 70-200mm F/2.8 Di VC USD G2֧ͷ൱ʵýʵIJʹý죬ʹͷȥƸ˵20159·35mm45mmͷSPϵϲµƣҫβȦΪSPϵоͷ±־ƷġƽȦΪºϵΡ
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ھͷöܲˣӱʶϲѿVCģʽVCءԶ/ֶԽлͶԽΧѡҪر˵ǣVCģʽѡģʽ1ͨģʽȡɼЧģʽ2ʺƶ壬ͷܣģʽ3ӵõķЧſʱȡвɼЧ
ھͷ˻һСɵĶԽָʾ0.95Խ֧ͷһ㡣0.95Խζžͷ200mm0.95㱻壬ֱ۸ܾЧͷŴΪ16.1Ҫʱʹྵͷʹá
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֧ͷڽżܻϿνģð̨ĽṹĽżܲõǰ̨ԱݵĽͷż̨ӣװ塣൱ʵãװھͷššȥ൱˵ģرҪӲĿװ壬һʱҪٶĴƣΪʹð̨żܵûṩ˼ı
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һ֧ͷԣ֮صIJ֮ǰ˾ͷMTFߣˮƽһ˽⣬߲ʵĶԱǰʵʹþͷ70mm200mm˷ֱڸȦ˲Ա棬ʹRAWʽͼȡͼͬλչʾ¡
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ͷ70mm£ȦһԣԱȶȾ߽dzȦӽˮƽСȦF22ʱпɼ½ԣͷ70mm˱ѾһȦóˮƽԱֵF11F16
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ʵĶԱȸоڵĶԱЧΪԣ70mmʱȦijһ㣬һȦƷʻԡڻ߽λãȦȶ
ھͷ200mmʱԵıַdzȶֻF22ʱ½Ȧ±ûﵽѣҲѹȦF5.6ʱ£֧ͷڳ˵ijĵʹȦвı֡70mmСһȦϼѱҲʵס
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ֻյķܶѾӽռѧͷķЧжǿVCѧ֧ͷƴﵽ5ӦҲڵϵͳ߹ķSP 70-200mm F2.8 Di VC USD G2ַ߱ģʽģʽ2棬ǵķв漰ģʽ1ǽΪͨõģʽͨȡɿЧģʽ3ɽ¶ˮȴǿķͼŻֳͨͿٶȣÿٶ3ţԴ˿ԿijɹʡͼʹMode1ģʽ
ֲֳԷЧʱǰҸϰ߲վƣʹ200mmˣÿٶȲõ㣬ֻ3šΪֳȶ˶죬ЧչʾΪռɡǵı3Ƭ2ΪЧ1/15sʱȶã൱ڵЧ4ȶԡٶȼͣ1/4sʱҲijȷdzߵƬڷMode1ģʽʱʵ4Ч
ǰҲ˵֧ͷǿķЧΪģʽ3ҲMode3µķЧΡ
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70mm200mmЧ
ܰĿǰʲô⣬һĸɸɾΪIJĿǻSP 70-200mm F2.8 Di VC USD G2ھͷ70mm200mm˰ǵı֡ʱʹøȦʵȾȵ죬ƴͼɼͷǵЧ
ԣ֧ͷ200mmF2.8µİΪԣȦһΪF4ʱɢԣ漴F5.6F8ɢF8ʱİѾԡٿ70mm˵İǣ200mmҪͬΪһȦѾF5.6ʱѾôԡǵĴڷdzѧʹҪİDZѧļܡȻʹþͷȦʱ䰵ЧΪƬһֶصζ
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һ70-200mm F2.8ͷˣʹþͷȥʲôһᱻἰġƬʵĻڣశģФҪ200mmF2.8F4µijƬüEOS 5D MarkIII㣬ϴͼƬΪԭʼJPEGʽδڴ
:177mm Ȧ:f/4.0 ISOй:100
عʱ:1/80s عⲹ:0.7EV ƽ:Զ
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عʱ:1/320s عⲹ:0.7EV ƽ:Զ
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عʱ:1/1600s عⲹ:0.3EV ƽ:Զ
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عʱ:1/1000s عⲹ:0.3EV ƽ:Զ
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عʱ:1/400s عⲹ:0.3EV ƽ:Զ
Ƭʹ200mm㣬лΪֶԽ0.95Խ룬ģ沿дɼ֧ͷĽɫ䱳黯ЧҲͱøԻáӳκνΣF4ʱͷȶdzߣɼʦ֧ͷẠ̇ʹڽܴĹȦӵиʱ֡F2.8ʱȻϸF4ȣı黯Ҳ˵ĵط200mmʱF2.8ijԿνϬ˵200mm F2.8˴İɡ
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вٹŽģֻƽʱǴҴ߹ԲɫʷḻľƵĹŽϸڡŷЩƬҲԼͬIJ200mmˣϣһЩٽһЩϸĵٷḻһЩɡ
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عʱ:1/25s عⲹ:0EV ƽ:Զ
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:200mm Ȧ:f/4.0 ISOй:100
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عʱ:1/8s عⲹ:0EV ƽ:Զ
ͼƬʱСȦѹͿٶȣ뿴¾ͷķЧֳ1/8sһ㣬ɹʽϸߡ
:200mm Ȧ:f/2.8 ISOй:100
عʱ:1/200s عⲹ:0EV ƽ:Զ
:200mm Ȧ:f/5.6 ISOй:100
عʱ:1/1000s عⲹ:0EV ƽ:Զ
㽨ʱʹ˴F2.8F16Ķ൲ȦҿԵŴʵ¾ͷڲͬȦµijʱ㽨ڹȦ£ȡб仯ٶȲӰعʱعһкܴ죬¾ͻᵼ²ٶȹͣѧڴʱͱ÷dzбҪҲĵḺ́øЧͼ1/8sֳʹ200mm㣬Ч⣬ֻʹýϸISO㶨
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紺ĺ羰ŵ㣬ѿڶеijSP 70-200mm F2.8 Di VC USD G2ϵСƷȦʵõĹѧ⡣
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عʱ:1/250s عⲹ:0EV ƽ:Զ
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عʱ:1/640s عⲹ:0EV ƽ:Զ
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عʱ:1/200s عⲹ:0EV ƽ:Զ
:200mm Ȧ:f/4.0 ISOй:100
عʱ:1/1600s عⲹ:0EV ƽ:Զ
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عʱ:1/250s عⲹ:0EV ƽ:Զ
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عʱ:1/3200s عⲹ:0EV ƽ:Զ
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֪ܶ˿µһҳֱһҳܽᣬϣ̵ͨܽ˵¾ͷۺϱ֡ҾֻѸɻŵ´㻹Ըܽᡣ
SP 70-200mm F2.8 Di VC USD G2صdzɫĹѧijȫƵĽ֧ͷҪסص㡣ȣѧɴ5Чʵʲȷʵɫ200mmʱַdz⣬ԵѾdzӽȦ³Ȧɵ㣻70mmʱһȦӽö˵߶˸кרҵĻÿĶԸ֪йͷı֣ϣؿصҳ롣ͷгԼ9000ԪңĻûԭڣ֧ͷǸѡ
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