Joined on Jul 13, 2000

Qun's recent activity

  • In order to achieve a depth of field of F4.5, with a F2.8 lens,  an APS-C camera can shoot at ISO 1600, while a full frame camera must use ISO 4800 to shoot. The advantage of stepping down from ...
  • The advantage of the cropped sensor like APS-C is for situation when greater depth of field is required at low light, one can shoot at F2.8 but enjoy the depth of field of F4.5; F1.8 with the ...
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Total messages 65
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Last post 5 months ago
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Last post Apr 7, 2014
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