digitally produced infrared


hooferinsane

Link Posted 28/04/2013 - 13:45
Hi,
Have been trying out in paintshop pro making some of my images into infrared ones digitally. Have put them all together into a slideshow in lightroom. Pictures were taken on various cameras,including a K10d, even some on a 3mb compact years and years ago! Just wondering about thoughts on them, it quite interests me. Will now probably be purchasing an infrared filter for my digital SLR.
Hope this is allowed, but here is link
K10D, DL2, MZ3, Canon 550d

Mannesty

Link Posted 28/04/2013 - 15:01
If you had not mentioned Infrared anywhere, I would have said that they were B&W images.

EG: Most IR shots of grass, trees, etc shows the greens as white.

Your images, good though they are, don't quite portray that.

PS: The music you've used is probably copyrighted.
Peter E Smith

My flickr Photostream

petrochemist

Link Posted 28/04/2013 - 15:21
Brian, I've yet to see s digitally processed visible light shot that looks truely convincing as IR. It similar to taking the RED channel & processing it to give you a full colour image.
The skies in your Pseudo infrared images are all very pale - typically IR skies are dark with highly contrasting clouds.

Go ahead & get a filter, they're available very cheap these days, and if you don't mind long exposures you should be able to capture real IR images. I suspect the K10d will have similar IR sensitivity to the K100d which can be handheld for IR on hot days with a fast lens.
Mike
.
Pentax:K5ii, K7, K100D, DA18-55, DA10-17, DA55-300, DA50-200, F100-300, F50, DA35 AL, 4* M50, 2* M135, Helicoid extension, Tak 300 f4 (& 6 film bodies)
3rd Party: Bigmos (Sigma 150-500mm OS HSM),2* 28mm, 100mm macro, 28-200 zoom, 35-80 zoom, 80-200 zoom, 80-210 zoom, 300mm M42, 600 mirror, 1000-4000 scope, 50mm M42, enlarger lenses, Sony & micro 4/3 cameras with various PK mounts, Zenit E...
Far to many tele-converters, adapters, project parts & extension tubes etc.

.[size=11:].FlickrWPFPanoramio

Smeggypants

Link Posted 28/04/2013 - 18:43
Mannesty wrote:
If you had not mentioned Infrared anywhere, I would have said that they were B&W images.

EG: Most IR shots of grass, trees, etc shows the greens as white.

Your images, good though they are, don't quite portray that.

PS: The music you've used is probably copyrighted.

Nik Software's silver Efex pro plugin has red, yellow orange, green and blue filters to apply on the B&W conversion. the green filter would give greens as white.

Quite handy feature even if you're not purposely trying to emulate infrared.


Personally I can't get excited about IR photos. YO ucan get similar just converting to B&W anyway
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283

hooferinsane

Link Posted 28/04/2013 - 20:50
petrochemist wrote:
Brian, I've yet to see s digitally processed visible light shot that looks truely convincing as IR. It similar to taking the RED channel & processing it to give you a full colour image.
The skies in your Pseudo infrared images are all very pale - typically IR skies are dark with highly contrasting clouds.

Thanks for info and comments. Think one problem was in quite a few of those shots they were taken in a very overcast Isle of Skye. Was a beautiful day when we arrived all those years ago, then about 4 hours later it clouded over and we had horizontal rain for most of the family holiday (in August!)
Just tried it on a very cloudy blue sky, but as mentioned, almost impossible to achieve, for me at least.
Just ordered the infrared filter, good price online
K10D, DL2, MZ3, Canon 550d

jkdlee

Link Posted 30/04/2013 - 21:26
Yes get an infrared filter! much more fun!

examples from my portfolio-

colour https://www.pentaxuser.com/photo/within-the-trees-52134/large
https://www.pentaxuser.com/photo/under-the-trees-27190/large


black and white https://www.pentaxuser.com/photo/day-or-night-53702/large
just a newbie with a good eye
Last Edited by jkdlee on 30/04/2013 - 21:26

redbusa99

Link Posted 30/04/2013 - 21:42
i did this with Hoya R72 ir filter, you need to set a custom white balance, then do some colour channel swapping to keep the blue sky. fortunately there are a lot of very good tutorials on you tube you can use to guide you. hope to get it out on my DA15 , waiting for some greenery to appear most of the trees are only just starting to show



odd lens or 2

Flickr
Last Edited by redbusa99 on 30/04/2013 - 21:43

aliengrove

Link Posted 30/04/2013 - 21:49
As someone who takes a lot of infrared images, I would say that if you want to shoot IR then get an IR converted camera, or use an IR filter on your existing camera. Anything else is a pale imitation.
Flurble

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