On 21 Feb 2005 at 11:15, Powell Hargrave wrote:

> Well this is only half a Pentax lens, Rear Converter-A 2X-S.  The other
> half of the lens is an old medium price Bushnell screw mount 200mm tele.
> The combination shows chromatic aberration / blooming wide open.  I've
> added some 100% crops to show how the nasties can be cured.
> 
> http://members.shaw.ca/hargravep/Image1.htm

Do you mask and desaturate the purple bloom? It's a good job but sharpening is 
tending to severe?

Also I've found that bloom is exacerbated by the sharpening algorithm in PS CS 
RAW, if I've an image with particularly nasty bloom I'll only sharpen after the 
CA/Bloom is dealt with.

Cheers,


Rob Studdert
HURSTVILLE AUSTRALIA
Tel +61-2-9554-4110
UTC(GMT)  +10 Hours
[EMAIL PROTECTED]
http://members.ozemail.com.au/~distudio/publications/
Pentax user since 1986, PDMLer since 1998

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