> Also, if you start to see halos, you've gone too far. You are likely to see halos in pictures taken from an aeroplane, even if you have not done any sharpening ;-). For example: http://www.polarimage.fi/phenom/hl00142b.jpg
Halos are one nice thing to look for and photograph when you're traveling airborne (and maybe bored with nothing to do). Antti-Pekka ________________________________________ Antti-Pekka Virjonen Computec Oy www.computec.fi > -----Original Message----- > From: Ryan Brooks [mailto:[EMAIL PROTECTED] > Sent: Wednesday, April 19, 2006 2:50 AM > To: [email protected] > Subject: Re: photography from an airplane and unsharp mask > > > > 2. When do you use sharp/unsharp filters in the PS or > > other software? (any hints on how to judge a reasonable level?) > > > > > Keep in mind your target. Sharpening for the web is different than > sharpening for a printer, for example. I believe some of the > sharpening plug-ins available keep this in mind. > > Also, if you start to see halos, you've gone too far. > > IMHO, the image is too sharp... you've created some moire in the > building windows. Frankly, it looks like it could benefit from an > (auto)levels more than anything- makes the haze go away. > > -Ryan > >

