philip_tong

http://www.photo.net/learn/optics/dofdigital

http://www.luminous-landscape.com/tutorials/understanding-series/dof.shtml

Unless you are in a dark room, there is no doubt the flash meter reading will be affected by ambinet light level. The problem is more pronounced when flash is more or less equal to ambient light level.

<BR>Here is <A HREF="http://www.photo.net/bboard/q-and-a-fetch-msg?msg_id=0018GG">a similar discussion</A> on the use of <A HREF="http://www.butkus.org/chinon/luna-pro_f/luna-pro_f.htm">Gossen Luna-Pro F</A>.

<BR><BR><B>I wonder how the compensation figures are calculated. Anyone?</B>

<A HREF="http://support.microsoft.com/default.aspx?scid=kb;en-us;822603">Availability of the Windows XP SP1 USB 1.1 and 2.0 Update</A>

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<A HREF="http://support.microsoft.com/default.aspx?scid=kb;en-us;329632">

INFO: Availability of USB 2.0 Support in Windows XP SP1</A>

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<A HREF="http://support.microsoft.com/default.aspx?scid=kb;en-us;813139">Updating EHCI USB 2.0 Driver May Cause USB 1.1 Devices to Stop Functioning</A>

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<A HREF="http://support.microsoft.com/default.aspx?scid=kb;en-us;817900">PRB: USB Port May Stop Working After Removing or Inserting USB Device</A>