jamesp
Cave Dweller
Member since October 2012
Posts: 36,154
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Post by jamesp on Jan 10, 2018 6:32:22 GMT -5
Since digital cameras have their own interpretation of color and exposure the human control can be left out of the equation to a degree. Same rocks, same light. same settings. Photos only cropped. Only difference is the background. Focus may not be perfect as they were hand held quicky shots. No zoom. My opinion - the white background is more of a true representation.
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wampidytoo
has rocks in the head
Add 5016 to my post count.
Member since June 2013
Posts: 709
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Post by wampidytoo on Jan 10, 2018 9:23:26 GMT -5
The dark background sure pops some white snow flakes though. The lighter color in the second photo is more pleasing to the eye too. Prolly just me. Jim
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Wooferhound
Cave Dweller
Lortone QT66 and 3A
Member since December 2016
Posts: 1,423
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Post by Wooferhound on Jan 10, 2018 9:55:04 GMT -5
I wouldn't make pictures that have the same background color as the subject (stones). For Brown/Yellow/Orange stones I would use a contrasting color which would be a blue. Personally I like to use a Black so the rocks Stand Out against the background. This will confuse the auto exposure in the camera and tend to overexpose the image so some manual adjustment is usually needed.
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Post by youp50 on Jan 10, 2018 21:32:28 GMT -5
The white background let's the camera reproduce true reds of the obsidian. I do prefer the dark background, it's easier to look at.
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Daimon
off to a rocking start
Member since January 2018
Posts: 20
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Post by Daimon on Jan 21, 2018 18:46:41 GMT -5
It might be to do with the white balance setting on your camera. I don't know how you camera is set up but check the white balance. Normally they default to AWB - automatic white balance. But you can override it on most cameras. If you can then Set the white balance and take a photograph of the background. Keep the setting and then photograph the stones on the same background. That way you should get a true representation of the colour.
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,154
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Post by jamesp on Jan 21, 2018 19:23:21 GMT -5
It might be to do with the white balance setting on your camera. I don't know how you camera is set up but check the white balance. Normally they default to AWB - automatic white balance. But you can override it on most cameras. If you can then Set the white balance and take a photograph of the background. Keep the setting and then photograph the stones on the same background. That way you should get a true representation of the colour. Figured out the white balance Daimon.. well the sensor location anyway. By tapping on the screen you can move the sensor to the subject or the background. Tap screen and pull to desired location. Certain there is a slider adjustment somewhere. And select for type of light.
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Daimon
off to a rocking start
Member since January 2018
Posts: 20
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Post by Daimon on Jan 22, 2018 17:55:47 GMT -5
James. The light source can make a huge difference. Strip or flourence lights can vary from green to pink and have a dramatic effect on the finished photo. That's why it's important to check and set the white balance before taking your photos. Either way your rocks are stunning. I'm still waiting for my tumbler to be delivered to my Mum's. She called today to tell me it had arrived only for me to find it was her new wireless router. Size! Weight! Mothers!!!
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jamesp
Cave Dweller
Member since October 2012
Posts: 36,154
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Post by jamesp on Jan 23, 2018 4:46:20 GMT -5
James. The light source can make a huge difference. Strip or flourence lights can vary from green to pink and have a dramatic effect on the finished photo. That's why it's important to check and set the white balance before taking your photos. Either way your rocks are stunning. I'm still waiting for my tumbler to be delivered to my Mum's. She called today to tell me it had arrived only for me to find it was her new wireless router. Size! Weight! Mothers!!! Thanks for the kind words daimon. AB is set on auto. I started using both an incandescent and a fluorescent since they are both at the desk. Multiple wavelength approach. Being lazy I just leave the WB alone and live with it. Take tons of photos. iPad has deep depth of field, sure gives uncanny deep focus. Fast little camera. The big screen does help compose, look at the rock and compare it to the screen. Check for color trueness. AB is deceived by background more so than the DSLR, no telling what new processors are capable of or how they work. Processor is only as good at being true as the photographer's eyes controlling it's true representation. Good luck on the shipment. You sound anxious lol.
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