View single post by Robert

Posted: Sun Jan 12th, 2014 19:17

Joined:	Sun Apr 1st, 2012
Location:	South Lakeland, UK
Posts:	4066
Status:	Offline

Some of the Sigma 10-20's don't respond well in the IR range, they seem to hotspot badly which may explain the vignetting, perhaps it isn't vignetting but hotspotting? I have had mixed results with my Sigma 10-20 I think Eric found it hotspotted badly on his D70 but I have had a little success on the D1, although not universal success.

I have spent days on a single image and while I may EVENTUALLY have got the effect I visualised when I composed the image, having spent so much time on it the image is badly degraded. I then try to retrace my footsteps and re-create the same image with the minimal of steps from the original NEF In my experience fiddling with an image for days ends up degrading it and making it muddy with a low IQ.

Sometime it take several attempts to minimise the steps to the clean image I know It can reveal. Then I wonder why I bothered!!! LOL But then I do enjoy the results in the end when I look back.

Too much :wine:

I am celebrating, I have got my gas cooker self ignition to work!!! Only take me three years to pluck up courage to pull the cooker apart and repair the switch! Yea, I can put my camping ignitor away!!!

____________________
Robert.