djozz
August 1, 2015, 6:21pm
2708
Joat:
!{width:50%}http://i.imgur.com/ryEyeAi.jpg ! Camera != eye, this photo show all three emitters to be the same color, but there is an amber a red and an orange. It is imposable to get an accurate photo of tint.
Agree, your monitor is the least of the problem, link to an (in forum perspective) ancient thread of mine:
I know there are many pitfalls in tint recording and reproduction but I'll ask the question anyway.
First a six-barrel white wall shot:
[image]
This is six flashlights with six different (all non cool-white [image]) emitters, FYI:
top left XP-G2 3C top middle Nichia 219 top right XM-L2 5B1 80CRI
bottom left XM-L 4000K bottom middle XP-G2 ? bottom right XM-L2 6A1 80CRI
So you think you can look at this picture and have an actual idea of the tints? Very wrong!
F…
And my most frustrating test series to date, remotely accurate colour reproduction via the internet is just not going to happen. Especially high CRI light, obvious by eye, reproduces as well as a 70CRI neutral:
Recently in the dedomed Nichia 219 thread I experimented with a colour checker card to get an idea of how colours appear with different types of leds. The colour checker is not exactly meant for this kind of application, but I believe it is a nice way to see not just the tint of a light source but also what it does to the different colours.
I found it was difficult to get it right, had to digitally correct the images to match what I see in real, and was still not pleased with the results. Not o…