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The old Shaper

By MikeGarrattPhotography  
Taken at Wortley forge.
I wanted to achieve a good true black and white image

Tags: Black and white Specialist and abstract

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banehawi Plus
17 2.5k 4272 Canada
9 Dec 2012 11:02PM
Nice machine shop shot. Looks a little dark, and that could be due to the original being underexposed, or the method used for mono conversion. Theres a lot of black shadows with little detail that can be recovered, and theres nothing that actually white. How did you convert it, and can you upload the original shot as a mod so we can see if we can help more?

There are a number of ways to convert tp mono, some more successful than others.

Ive uploaded a mod that has the shadows recovered, and is a little brighter.


I used photoshop raw first to desaturat,the tweaked
the red and Yellow sliders. In photoshop I used Topaz
b/w tweaking it.
paulbroad 14 131 1293 United Kingdom
10 Dec 2012 5:55PM
A bit under exposed and thus difficult to really see the lathe. Needs to be brighter but I would have stayed with colouras the end product of conversion has been a tonal compression. Desaturating is not a good way to convert to mono. You need to do it using the channel mixer to get the right amount of RGB to give a decent contrast range.

Manual is best for mono conversion.

The content and composition is good and negative compensation helps retain highlight detail, but you then need to regenerate controlled highlights.

banehawi Plus
17 2.5k 4272 Canada
10 Dec 2012 6:44PM
Mike, in Photoshop, leave the colour as is. Then go to Image>adjustments>channel mixer; the window that opens has three sliders R, G and B, and bottom left is a small check box marked Monochrome. Check the box, and you will have a mono shot. You can use the sliders to change the appearance of the mono, but make sure the total of the three = 100%; and if you have a later version of Photoshop, at the top of the window theres a preset drop down, and you can try the various combination. A much better way to convert that will give excellent results, as its using the colour information to determine how to convert. Click OK when finished and youre done. Give it a try.


ok this mod is using the channel mixer thanks for the input.
paulbroad 14 131 1293 United Kingdom
11 Dec 2012 8:09AM
Your new version has a much better tonal range, but you still need to lighten the lathe a bit. The dodge tool should do it. Was the lathe a different colour to the surroundings, green for example? If it were green, the green slider would allow you to lighten the lathe.

ErictheViking 8 124 102 Scotland
11 Dec 2012 12:30PM
Second image is much better all round with good tone. I like the detail that you have captured, for me these images are really good in black and white as it brings out the detail of the image.

Nice shot

Eric Grin
paulbroad 14 131 1293 United Kingdom
12 Dec 2012 9:13AM
Look at Willies mod. That has the correct tonal range.

NEWMANP 13 1.6k 574 United Kingdom
13 Dec 2012 10:08PM
hi, a shaper, a gearbox, a 4 jaw chuck and a face plate.
funny how things like shapers were once vital parts of a machine shop facility and yet they realy havnt been used now since the late 60s, cnc milling pretty much made them obsolete. by the time i finished training to be an engineer they were old technology but they were very useful for die making. the thing that went first was the skill to use them to fine tolerances. cant remember the last one i actually saw used since around 1980 and that was in the mould shop at Concett refractory plant in the North of england.

the advice on mono conversions is pretty well covered but to be fair, the objective has to get a full range of tones across the image with blacks to white whilst holding detail in the extremes of black and white.

when we used print film we used coloured filters to affect the tones specific colours would produce and within photoshop you have a variety of ways to replicate this.

in the channel mixer you can try a variety of presets or manually use the sliders to produce a full range of tones or you can go image-adjustments-black and white and in the top above the sliders see the box presets, bring down the menu and click them all until you find the best conversion and then tweak from there.

NEWMANP 13 1.6k 574 United Kingdom
13 Dec 2012 10:15PM
did a quick mod with a few channel tweaks and a curves adjustment

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