If you have Photoshop CS3 or above, try Image --> Adjustments --> 
Shadows/Highlights.  This can provide better sharpening than the Sharpen filter 
alone.

Pat


On 29/05/2010, at 2:32 PM, Denise Williams wrote:

> 
> Hi Chris
> Have you tried the Filters in Photoshop? When you have the drop down menu of
> filters go to Sharpen and then depending on your version of Photoshop you'll
> have a few choices of the type of sharpening available. Best to use Unsharp
> Mask. Remember to keep the radius to no more than 2.5 and the threshold to
> 0.
> 
> Hope this helps
> 
> Denise Williams
>> 
>> Aperture and Graphic Converter have image sharpeners. Of course, there are
>> strict limits which depend upon the sharpness of the original image.
>> 
>> Vlad James
>> 
>> On 29/05/2010, at 12:07 PM, Chris Burton wrote:
>> 
>>> 
>>> Hi muggers
>>> 
>>> I am presently going through my blue whale id image catalogue, and some of
>>> them are not so clear, mainly due to the distance of whale from the camera 
>>> at
>>> the time. So when I zoom in the detail is not so good, even after improving
>>> the image in photoshop with contrast, brightness, levels etc.
>>> 
>>> I suddenly thought if there is any software that would enable me to improve
>>> (even marginally) the image I have? Does anyone know of this and could 
>>> please
>>> advise?
>>> 
>>> Im not so optimistic and pretty much think it depends on the original image.
>>> 
>>> I did some google searches and there is some software available for PC's but
>>> nothing came up for macs.
>>> 
>>> 
>>> best regards
>>> 
>>> Chris



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