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Post by spinno on Jul 24, 2024 20:20:12 GMT
Thanks petrochemist and Fenris . Good to know trying it with flash isn't necessarily a daft idea. Don't have lightroom though...tried it when it was new and didn't like it so am still using an ancient version of PS. Nearest normal lens to hand was a 50mm so I took that out for a play on my 6th hour of walking today. Straight conversions to TIFF with auto-levels on PS. Hopefully with a bit of practice in more consistent light I'll get the hang of exposures with it. To nobody's surprise, you are particularly good at mushrooms.  That's because he's a fun guy |
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Post by peterba on Jul 24, 2024 20:49:41 GMT
To nobody's surprise, you are particularly good at mushrooms. That's because he's a fun guy
That's one of your worst jokes ever, David. Well done!
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Post by petrochemist on Jul 24, 2024 21:15:10 GMT
Those mushrooms are certainly not a typical IR shot, but they work really well.
I'm not sure but the first looks like it might have mild signs of a hot spot.
FWIW I don't use either lightroom or photoshop at all.
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Post by Fenris on Jul 25, 2024 8:15:38 GMT
Don't have lightroom though...tried it when it was new and didn't like it so am still using an ancient version of PS. In Photoshop, try "Channel Swapping". Basically you go to the Channel Mixer select the Red Channel and set Red to 0 and Blue to 100. Then select the BLue Channel and set Red to 100 and Blue to 0 Description: www.slrlounge.com/basic-channel-swapping-quintessential-guide-world-infrared/ |
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Post by Fenris on Jul 25, 2024 8:23:50 GMT
I just did a quick channel swap on the water and mushroom shots:   |
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Post by andy on Jul 25, 2024 9:04:26 GMT
Those look better, thanks Fen. Hopefully get some more shots to play with tomorrow when I'm out with the Samoyed as the woods are good, hardly see anyone and he doesn't get up to no good if I get distracted.
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Post by El Sid on Jul 25, 2024 11:03:16 GMT
I have my IR cameras set to a custom white balance and monochrome output and do the initial conversion in DPP4 before sending to PS for the final spit and polish. If memory serves ( I haven't changed it in ages) I set the white balance by photographing some grass in decent light and selecting that image for the custom white balance. Processed in DPP they come out black and white - generally false colour doesn't really appeal to me. A recently processed shot from last year... 
Priory Park Chapel-13 by Nigel Hayes, on Flickr |
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Post by don on Jul 25, 2024 13:09:14 GMT
I don’t want it! I can’t take pictures In black and white let alone start trying to take them in in RED or any other COLOUR
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Post by petrochemist on Jul 25, 2024 13:31:39 GMT
I have my IR cameras set to a custom white balance and monochrome output and do the initial conversion in DPP4 before sending to PS for the final spit and polish. If memory serves ( I haven't changed it in ages) I set the white balance by photographing some grass in decent light and selecting that image for the custom white balance. Processed in DPP they come out black and white - generally false colour doesn't really appeal to me.
Priory Park Chapel-13 by Nigel Hayes, on Flickr I do a lot of false colour IR, but also just stick to saved CWB, my camera lists these as 2600K, 2700K & 5500K (I think the 5500K may have been saved for visual images with an external IR cut filter it's quicker to get to from CWB than the normal settings). I've been surprised in how much difference there seems to be between 2600K & 2700K, so there may be a tint difference in the saved WB settings. On Full spectrum cameras my most commonly used filter is a 590nm (red), but I also use an orange (~550nm), a blue (wratten#47) & of course the 720nm (R72) quite a lot. The total list of filters I've tried is quite long, some are very unpredictable giving great results one day but rubbish the next time. This is particularly the case with those that pass some UV, changing the lens, or the cloud cover will have a drastic impact with these. If desaturated the 590nm generally looks fairly similar to a 720nm. Red/Blue channel swap is the standard processing method for 590nm shots, but I often prefer them left alone or simply play with the hue slider in FastStone (which goes much further than some, allowing the full range from -180 degrees to + 180 degrees) Colour options with a 720nm are much more limited, but they can give some hints of colour - such as slightly blue hair if the subject has used hair dye. Much more careful processing is needed to get colour results from a 720nm, longer wavelength cuts tend to be closer to monochromatic |
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Post by Chester PB on Jul 25, 2024 23:39:45 GMT
I am wanting to gift my infrared converted (720nm) Canon Eos 7D to someone out there who'll make better use of it than I am able to. If you are interested let me know. I bought the camera a couple of years ago and had it converted to infrared. It comes with non-Canon batteries and charger but I'll include an SD to CF adapter. It's not something I want, but I applaud your desire to ensure it goes to a good home. If somebody here gets it, I would be interested to see us some of the results they get from it. |
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Post by Fenris on Jul 26, 2024 9:43:20 GMT
Colour options with a 720nm are much more limited, but they can give some hints of colour - such as slightly blue hair if the subject has used hair dye. Much more careful processing is needed to get colour results from a 720nm, longer wavelength cuts tend to be closer to monochromatic Not just hair dye, I've found that the amount of melanin in the hair also affects the colour in IR. Photographed two ladies (in same shot) and both had brown hair - one darker than the other, neither used hair dyes, but the change in the colour for IR was vastly different. |
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Post by andy on Jul 27, 2024 8:40:53 GMT
Took the 100mm macro for a wander yesterday but it was a bit too breezy to have any luck with beasties on flowers and stuff. The hills and clouds look pretty cool though...  |
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Post by dreampolice on Jul 27, 2024 12:56:51 GMT
Isn't that just a normal snow covered summers day in Scotland?
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Post by willien on Jul 27, 2024 13:02:50 GMT
NFTP - Normal, for the Pentlands.
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Post by zou on Jul 27, 2024 13:29:37 GMT
NFTP - Normal, for the Pentlands. On the west side, obviously. All that wet west coast air meets the dry cold east coast air and settles as snow, all year round.  |
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