Human blood

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Alexander
Posts: 402
Joined: Fri Jun 11, 2021 7:10 pm

Human blood

#1 Post by Alexander » Sun May 15, 2022 8:47 pm

This is a picture of my blood.
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HUMAN_BLOOD.jpg
HUMAN_BLOOD.jpg (204.38 KiB) Viewed 862 times

EYE C U
Posts: 288
Joined: Wed Jul 15, 2020 5:18 pm

Re: Human blood

#2 Post by EYE C U » Mon May 16, 2022 2:35 am

looks like you dyed.

Javier
Posts: 806
Joined: Tue May 09, 2017 11:19 am
Location: Buenos Aires, Argentina.

Re: Human blood

#3 Post by Javier » Mon May 16, 2022 2:01 pm

EYE C U wrote:
Mon May 16, 2022 2:35 am
looks like you dyed.
:lol: How come?

Greg Howald
Posts: 1185
Joined: Tue Oct 20, 2020 6:44 am

Re: Human blood

#4 Post by Greg Howald » Mon May 16, 2022 3:56 pm

It is a good, clear photo. I get the impression that the lighting is LED. Greg

Alexander
Posts: 402
Joined: Fri Jun 11, 2021 7:10 pm

Re: Human blood

#5 Post by Alexander » Mon May 16, 2022 5:11 pm

Yes, the 50 years old Leitz Dialux I used for this picture is equipped with LED illumination for transient light.
I still use high pressure mercury lightning for fluorescence work but this picture was obviously taken with transient light.

Doesn't make a big difference. It is all about color temperature control. A halogen bulb has about 2.800 K while this LED has 4.400 K. Set the cameras white balance properly and the results will be very similar.

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