Sparkplug and steel ruler, incandescent light, whitish towel as backdrop. Macro mode, handheld.
The gap between electrodes on a sparkplug must be set with far greater precision (plus/minus 0.001 inch or so) than is possible with this Metric scale office ruler.
-Used the dodge tool to lighten up some of the shadows in the folds of the background.
-Made a rough selection of background, feathered 8 pixels, applied Gaussian Blur at about 12 pixel diameter. Used the blur tool to selectively blur the edge of the towel in the lower-left corner.
-Applied two RGB Curves for tone/contrast.
-Selected Green Channel and copied to new Grayscale file.
-Applied contrast-enhancing USM at 16%/48 dia/TH=0
-Applied USM at 88%/0.8 dia/TH=5
-Converted to Duptone mode using Black and Cyan with custom curves
-Converted to RGB
-Saved as JPEG=9/10
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