June 24, 2018, 07:22:14 AM

Author Topic: Black and White Infrared  (Read 40082 times)

MrFotoFool

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Re: Black and White Infrared
« Reply #45 on: September 27, 2016, 12:25:53 AM »
@danski0224 - All of your photos are beautiful. On my screen, however, they appear just a little flat. Have you tried them with higher contrast? Just a personal opinion, but I think they could use a bump in contrast (everything else is great).

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Re: Black and White Infrared
« Reply #45 on: September 27, 2016, 12:25:53 AM »

danski0224

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Re: Black and White Infrared
« Reply #46 on: September 27, 2016, 05:07:39 AM »
Thanks for the comments.

The black and white pictures look better on my Flickr page- they don't seem to compress nearly as well as color images for some reason.

I thought they were a bit underexposed myself, but I didn't take a bunch of time to process them differently.

Mikehit

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Re: Black and White Infrared
« Reply #47 on: September 27, 2016, 05:19:42 AM »
Are they taken using IR filters or a modified camera?

danski0224

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Re: Black and White Infrared
« Reply #48 on: September 27, 2016, 06:45:20 AM »
Are they taken using IR filters or a modified camera?

Those were taken with a Sigma dp Q.

The only modification is the tool less removal of the sensor dust shield, which is also an IR and UV cut filter. That gives you full spectrum.

I also used a 720 nm IR cut filter on the lens.

Regular color pictures can be taken if a hot mirror filter is used on the lens when the factory dust protector is removed.

Mikehit

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Re: Black and White Infrared
« Reply #49 on: September 27, 2016, 06:48:07 AM »
thanks Danski

I was wondering if the softness MrFotoFool referred to is the difference in focusing between infrared and visible light - I have had a camera fully converted and I understand that involves adjusting the sensor position to account for this.

danski0224

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Re: Black and White Infrared
« Reply #50 on: September 27, 2016, 09:36:25 AM »
It's possible.

Live view and focusing isn't 100%.

The SD1M focuses better because it has different AF sensors, but no live view.

MrFotoFool

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Re: Black and White Infrared
« Reply #51 on: September 27, 2016, 12:08:41 PM »
No the focus on Danski's images seems fine. It is simply low contrast. One of the qualities of black and white infrared photography (based on the infrared film Kodak HIE) is very high contrast. This is necessary to get white foliage, which is (in my opinion) the main appeal.

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Re: Black and White Infrared
« Reply #51 on: September 27, 2016, 12:08:41 PM »

danski0224

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Re: Black and White Infrared
« Reply #52 on: September 27, 2016, 08:27:00 PM »
I worked on the post-processing for this one a bit, and I think it's a bit better.


MrFotoFool

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Re: Black and White Infrared
« Reply #53 on: September 27, 2016, 09:34:31 PM »
Yes that is very nice indeed. It has the "punch" we expect from bw infrared.

danski0224

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Re: Black and White Infrared
« Reply #54 on: September 28, 2016, 04:09:51 PM »
Yes that is very nice indeed. It has the "punch" we expect from bw infrared.

Thanks.

The originals are a bit underexposed, so I have to watch that in the future, but it recovered nicely.

More work with B&W processing would help too :)

Mikehit

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Re: Black and White Infrared
« Reply #55 on: September 28, 2016, 05:08:13 PM »
Some from Canada


MrFotoFool

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Re: Black and White Infrared
« Reply #56 on: September 28, 2016, 05:52:20 PM »
@ Mikehit - the last one is especially nice.

Mikehit

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Re: Black and White Infrared
« Reply #57 on: September 29, 2016, 03:01:55 AM »
Thanks Mr FotoFool.

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Re: Black and White Infrared
« Reply #57 on: September 29, 2016, 03:01:55 AM »

danski0224

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Re: Black and White Infrared
« Reply #58 on: October 02, 2016, 08:52:56 PM »
Some from today  :)

cazza132

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Re: Black and White Infrared
« Reply #59 on: October 02, 2016, 10:33:56 PM »
I have a full spectrum modified 6D that I use for astro and infrared work - loads of fun :) Here's a few:
IR Church - 630nm IR filter + ND filter with blue/red channel swap
IR Lightning - 630nm IR filter no channel swapping
Windmill - as per IR church
Infrared Bridge Trees - 720nm IR filter on a stock 5D mark II with blue/red channel swap
IR Grass Trees - B+W 403 filter (bit like a 760nm IR filter, but also passes UV giving blue skies without channel swap)
6D, full spectrum modified 6D, 5DIII, Zeiss 135 f2.0, Canon 16-35 f4.0, Canon 24-70 f2.8II, Canon 70-200 2.8L II, Sigma 35 f1.4, Samyang 8mm fisheye, Canon 17 ts/e

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Re: Black and White Infrared
« Reply #59 on: October 02, 2016, 10:33:56 PM »