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Full spectrum /IR Samsung WB35F

Started Jul 24, 2021 | Discussions
Joseph Balson
Joseph Balson Regular Member • Posts: 299
Full spectrum /IR Samsung WB35F
2

Out of boredom, a couple weeks ago I made an old Pentax X90 full spectrum, and installed a 49mm filter older. (https://www.dpreview.com/forums/thread/4587073)
That was quite fun and working well.
So I decided to do the same with a tiny Samsung WB35F. Basically it's the same super small sensor image quality, but the screen is much better.
Removing the hot filter was very easy.
I made a temporary holder for 49mm filters to test it, but I think maybe I could permanently attach a 30mm holder: it would fit perfectly and allow to screw in any 30mm IR filter. or any other filter. The thing is 30mm filter are not common.
Wanted to test it outside, but it's raining cats and dogs and all the other animals of the creation.
I will do that tomorrow. I find the idea of having an IR camera fitting my pocket quite pleasant.
I just took one photo between two showers with a 720nm filter. The custom white balance is good, so post treatment will be easy.

-- hide signature --

It's just some glass, some silicon and magnesium. It isn't a religion.

Pentax X90 Samsung WB35F
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Wahid Khan 1961 Regular Member • Posts: 179
Re: Full spectrum /IR Samsung WB35F

Looks like great fun. Pardon my ignorance, but why do you need a filter and what type is it?

 Wahid Khan 1961's gear list:Wahid Khan 1961's gear list
Samsung NX10 Pentax K-5 Samsung NX1000 Samsung NX20 Samsung NX1100 +32 more
Joseph Balson
OP Joseph Balson Regular Member • Posts: 299
Re: Full spectrum /IR Samsung WB35F
2

on top of the sensor, the manufacturers put a filter that allow in (basically) only visible light.
Shorter wavelength like ultraviolet don't get to the sensor.
Longer wavelength like infrared don't get to the sensor either.
When you remove that sensor filter that makes the camera "full spectrum": it will record all the wavelengths  it can: some near UV, and lot of IR. The images recorded look quite weird. Interesting but weird.
In order to shoot infrared, you need another filter in front of the lens to block any light that is not IR.
That gives you the typical black and white infrared look with white plants and dark sky, or the false colors effects.
here are some examples I shot yesterday with that WB35F:

Black and white

False colors

Black and white

Monochrome Cold

-- hide signature --

It's just some glass, some silicon and magnesium. It isn't a religion.

Wahid Khan 1961 Regular Member • Posts: 179
Re: Full spectrum /IR Samsung WB35F

Great, thank you for the explanation Joseph.

 Wahid Khan 1961's gear list:Wahid Khan 1961's gear list
Samsung NX10 Pentax K-5 Samsung NX1000 Samsung NX20 Samsung NX1100 +32 more
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