colinbm Posted February 28, 2021 Share Posted February 28, 2021 Baby Steps, as I re-learning photography after a 6 year break, using improvised lights. One rock, three lights. Blue Sodalite under White light 6000k. Blue Sodalite under UVC 254nm, UVIVF. Blue Sodalite under UVA 365nm, UVIVF. Link to comment
dabateman Posted February 28, 2021 Share Posted February 28, 2021 Thats looking great. Excellent start to regaining your photography. Link to comment
colinbm Posted February 28, 2021 Author Share Posted February 28, 2021 Thanks Dave, I am liking the Sigma fp, bit of a learning curve for my poor old fading grey matter....:-( Link to comment
Andy Perrin Posted February 28, 2021 Share Posted February 28, 2021 Wow! Very pretty results especially in UVA. Link to comment
GaryR Posted February 28, 2021 Share Posted February 28, 2021 Colin,Glad to see that you finally have your hands on a converted Sigma fp.Great colors on the UVA shot. Link to comment
colinbm Posted February 28, 2021 Author Share Posted February 28, 2021 Colin,Glad to see that you finally have your hands on a converted Sigma fp.Great colors on the UVA shot. Thanks GaryI haven't done the surgery yet, this is all in visible.I had better explain that...... Link to comment
Andy Perrin Posted February 28, 2021 Share Posted February 28, 2021 Just put UVIVF somewhere in the original post, that will take care of confusion. But you don’t get colors like that in reflected UV anyhow. All that orange (?) wouldn’t be there. Link to comment
bvf Posted February 28, 2021 Share Posted February 28, 2021 Nice one, Colin. What 254nm light source are you using? Link to comment
colinbm Posted March 1, 2021 Author Share Posted March 1, 2021 Nice one, Colin. What 254nm light source are you using? I am using UVC fluoro tube with a U330 filter. Link to comment
JMC Posted March 1, 2021 Share Posted March 1, 2021 Cool, big difference between the UVA and UVC fluorescence. Colin did you have the same white balance for both of those? Link to comment
colinbm Posted March 1, 2021 Author Share Posted March 1, 2021 Cool, big difference between the UVA and UVC fluorescence. Colin did you have the same white balance for both of those? Good question.I left it to the camera, on Auto WB.I did move the colour picker to more closely match to my eye.... Link to comment
colinbm Posted March 1, 2021 Author Share Posted March 1, 2021 Ok, thanks Colin. Could I have done better ? Link to comment
JMC Posted March 1, 2021 Share Posted March 1, 2021 Could I have done better ?No, I was just wondering. I'm very lazy when I do UVIVF and just leave it on daylight whitebalance, so am always intrigued by what everyone else does. Link to comment
colinbm Posted March 1, 2021 Author Share Posted March 1, 2021 No, I was just wondering. I'm very lazy when I do UVIVF and just leave it on daylight white balance, so am always intrigued by what everyone else does. Thanks JohnathanBecause I am getting myself back into photography after a long break & with a new camera, & this was with reflected visible light, I let the camera do the guess work, & I was happy with the result & only gave it a tweak in post. Link to comment
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