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06-03-2018, 01:22 PM   #1
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K5 infrared

Does anyone know if an infrared filter will work with a K5.
John

06-03-2018, 02:02 PM   #2
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It should work fine, but the K-5's sensor still has an IR filter which would block IR light. You'd have to get it removed for the camera to be highly sensitive to IR light.

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06-03-2018, 02:25 PM   #3
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An IR filter should work with the K-5; but without removing the camera's own IR filter, you will probably require very long exposures and the use of tripod.The long exposures are required to counteract the effect of the camera's IR filter.
06-03-2018, 08:46 PM   #4
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QuoteOriginally posted by jdowler Quote
Does anyone know if an infrared filter will work with a K5.
John
It should work OK. I use a #72 filter with my K-01 which has a similar sensor.

Two main advantages are:
- being mirrorless you can focus live.
- No need to cover the view finder as there is none :-)

06-04-2018, 02:55 AM   #5
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You can do simple test - mount the IR filter on the lens, go to Live View mode and use any remote control turned to the lens. If you can see red spot, your camera can do IR pictures. But as other members stated, you will need long exposures.
I did IR modification of K-5 by my self, used 640 nm filter. Now I can shoot handheld without problems.
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06-04-2018, 06:58 AM   #6
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Just did a quick test with my K5.

Normal exposure was 1/500s, F4, ISO 800

With R72 filter it was 2s, F4, ISO 800.

So as others have said long exposure times are required when using an R72 filter.

Hope that helps,

Fred.
06-04-2018, 07:02 AM   #7
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QuoteOriginally posted by Medex Quote
I did IR modification of K-5 by my self, used 640 nm filter. Now I can shoot handheld without problems.
That's very brave. I had my K-7 converted to IR; and yes, handheld shots become very easy.
06-04-2018, 03:05 PM   #8
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Thx everyone for your help

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