Thisisaconcerttakenplaceinasmallnightclub/bar,photographedinthesameeveningofthemonstertruckshow.
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博文
(2008-02-01 13:17:00)
Thisisaconcerttakenplaceinasmallnightclub/bar,photographedinthesameeveningofthemonstertruckshow.
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(2008-02-01 07:34:10)
 when taking photographs. Notice he has a diffuser on his flash, and set the flash to bounce off the ceiling. Note that the ceiling is 100 ft (or more) high, and the trucks are 200 ft away.<br><img src=http://farm3.static.flickr.com/2348/2233518146_efd632906b_o.jpg><br><br>)
RCADomeisafootballstadium,soitisfairlybig,bigenoughtodrivearound.
Tophotographtrucks,itturnsout200mmistherightfocallength,so70-200mmf/2.8willwork.However,ifyouhappentohaveSigma120-300mmf/2.8,itwouldbebetter:youcanzoominmore.
Lightinginaprofootballstadiumisexcellent.AtISO3200andf/2.8,youcangetshutterspeedfasterthan1/1000sec.Ofcourse,thatassumesyoutakeyoucameraoutoftheflashmode.
1RCADome...[阅读全文]
(2008-01-25 10:40:19)
1前门?
2合影
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4兵
5兵&天安门
ImightbeinterestingtonotethatMao\'stombisunlit,completelydark,insharpcontrastwithwithstructuresonoraround天安门广场.[阅读全文]
(2008-01-23 07:54:50)
(2008-01-16 17:39:21)
(2008-01-13 14:58:50)
(2008-01-09 19:49:25)
捕鱼高手-试镜片
70-200mmf/2.8ISat200mm,plusCanon2xteleconverter,plusSigma1.4xteleconverter-->>560mmf/8lens.(TheEXIFshows400mmf/5.6,butIassureyouitis560mmf/8).
Thecamerastillautofocuses,butveryslow.Butthisisacheapwaytogetalonglens.
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Thephotosweretakenwithhandholdingthecamera,withoutanysupport.Photosareuncropped,andyoucanseecamerashake...[阅读全文]
(2008-01-06 19:33:52)
诗云:
到了北京才知道官小
到了深圳才知道钱少
到了海南才知道身体不好
拍了体操才知道像机不好
SoIfoundoutf/2.8lensisnotfastenoughforgymnastics,andIcouldnotwalkclosertousemy50mmf/1.4lens.SoIgot85mmf/1.8,andhereisthesecondattemptatphotographinggymnastics.
1.Forstationaryposes,f/2.8wouldbefastenough(althoughthefollowingtwophotosweretakenatISO6400,theoptimalISOwouldbe1600-3200forbe...[阅读全文]
(2008-01-02 19:39:58)
 have more vignetting. The cause is: the lens! To keep optical properties the same, a full frame lens must be (for Nikon) 1.5^3=3.4 times as large. To save weight (and cost), lens makers literally cut corners.<br><br>Some have also pointed out another possible cause for the D3 vignetting: the Nikon lens mount is too small, so that it blocks some light heading towards the edges and corners of the full frame sensor. This is definitely possible. But the point here is: this would be classified as lens related vignetting. <br><br>8. The end<br><br>Thanks for reading. <br>)
Tosupport1234567\'sproposal,letmewritethefollowingshortarticleonsensor-relatedvignetting.
1.Introduction
Thistopichasbeendiscussedatleasttwicewithoutanyconclusion.Ihopethisarticlewouldputthissubjecttorest.
2.Scopeofthisstudy
Weareonlyinterestedinvignettingintroducedbythereflectionbythephotosensors,anduninterestedinlens-related(includinglensmount)vignetting.
3.Theproblem
Whe...[阅读全文]
(2007-12-20 19:42:46)
拍了GYMNASTICS才知道相机不好
Thegymisdim(dimmerthanahighschoolbasketballcourt).Andyetgymnasticsactionsarefaster.
Forcapturingtheshortmomentswhenthegymnastsarestationary,thecameradoesnothavealotoftrouble(aslongasthephotographertimestheshutterwell).
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Butifonewantstocapturethemomentwhenthegymnastisflying,then,thecamerashowsitslimits.
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Note:Shehadbothtranslationalandrot...[阅读全文]
