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IR conversion
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Sep 24, 2022 09:35:33   #
CHG_CANON Loc: the Windy City
 
OldSchool-WI wrote:
______________________________(Reply)

Buy an older model Sigma (or an SD1 if you want to spend a grand) and simply slip out the filter in front of the sensor. Another possibility is a Sony DSC 828 which has night vision already for IR--use a magnet so that the auto functions are not called in and you then have daylight functions yet the IR capability. Remove the magnet for standard use.----------------ew


Why are you back?

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Sep 24, 2022 09:41:35   #
ISO100 Loc: Richland City Indiana
 
trapper1 wrote:
I was getting ready to send a US model Nikon D5600 long out for a full spectrum IR conversion. The possibility of the camera needing repairs down the line occured to me so I sent Nikon an e-mail asking what their policy is on repairing conveerted cameras. Their prompt, as usual, answer was that they did not perform repairs on a camera that had been converted. Now I have to mull over whether to go ahead with the conversion knowing any camera failure would mean I have blown the $6-800 dollarvalue of the camera and conversion , or continue with the slow filter in front method. I've had no problems withe camera and one thought is to first send it to Nikon for a checkup and repair before having the conversion but that could add an appreciable amount to the investment. I am beginning to believe that the risk of losing the investment due to camera failure is simply the risk I have to take to get into the game, a risk that anyone converting to IR has to accept.
I was getting ready to send a US model Nikon D5600... (show quote)

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Sep 24, 2022 09:50:54   #
ISO100 Loc: Richland City Indiana
 
I'd suggest checking with Isaac Szabo https://www.isaacszabo.com/infrared.html. He has done 9 conversions for me. Both dslr and mirrorless. No problems with any. He will discuss conversion both before and after, answer questions, offer advice, resolve any issues. Additionally, he is $100 cheaper than the competition.

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Sep 24, 2022 10:30:08   #
SuperflyTNT Loc: Manassas VA
 
Jeffcs wrote:
Please understand I’m not trolling on you but I had my Olympus Pen-F converted to full spectrum and I DO NOT need to add any filters I can hand hold to “normal” exposure times to get IR results I don’t understand you statements about “still needing filters to get IR results”


Do you understand how IR filters work? When you buy a camera the sensor has an IR cut filter. It blocks the IR light so your photos are created only using visible light. When you get a conversion done they remove the IR cut filter and either replace it with an IR filter of whatever infrared light range you want to get through. These filters are generally denoted by wavelength with “standards” IR filters blocking light below 720nm, which limits you to pretty much B&W. For a more dramatic B&W effect you could go to an 830nm filter or if you want colors you can go to a lower level that allows part of the visible light through. The thing is with an IR converted camera you’re limited to whatever filter you had installed. The alternative is a full spectrum conversion. In that, instead of replacing the the IR cut filter with an IR filter they replace it with clear glass. So yes, you can shoot it as a full spectrum camera, using the entire visible light spectrum plus the IR spectrum, but that’s not the same as shooting IR. The IR effect is weak. Usually the reason people get a full spectrum conversion is not to shoot it as is but so they can vary the effect by using front filters of different wavelengths. Shooting without any filter the results are “IRish” but not true IR.

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Sep 24, 2022 17:45:24   #
JimH123 Loc: Morgan Hill, CA
 
SuperflyTNT wrote:
Shooting without any filter the results are “IRish” but not true IR.


Not only that, but they aren't nearly as sharp since you have such a broad spectrum of light falling on the sensor with varying degrees of converging at the right place.

The opposite of this is to use a filter with a very narrow band of wave lengths that it will pass. Example is the hydrogen alpha filter used for astrophotography. With such a narrow pass band, images actually turn out very sharp.

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Sep 24, 2022 22:15:19   #
OldSchool-WI Loc: Brandon, Wisconsin 53919
 
Jeffcs wrote:
Please understand I’m not trolling on you but I had my Olympus Pen-F converted to full spectrum and I DO NOT need to add any filters I can hand hold to “normal” exposure times to get IR results I don’t understand you statements about “still needing filters to get IR results”


___________________________(reply)

As to which of the two I mentioned---Sony DSC 829, "the night vision camera" or the Sigma line of Dslrs with the removable IR filter? You still use various levels of IR filters up front. But with the Sigma the built in IR filter snaps out for cleaning the sensor (Much like a conversion---but snaps in and out as needed) ----if necessary and therefore the camera becomes converted with no IR blockage.-----------------ew (And the Sony swings the filter out of the way when you choose night vision or night vision with flash. But then you must use P---program features or it won't swing out with camera settings, but you can avoid that with a magnet outside the camera and swing the IR blocker out of the way and shoot normally with various shades of red filters.-)----ew

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Sep 25, 2022 00:07:18   #
chasgroh Loc: Buena Park, CA
 
ISO100 wrote:
I'd suggest checking with Isaac Szabo https://www.isaacszabo.com/infrared.html. He has done 9 conversions for me. Both dslr and mirrorless. No problems with any. He will discuss conversion both before and after, answer questions, offer advice, resolve any issues. Additionally, he is $100 cheaper than the competition.


...I concur. He's done two for me...

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Sep 26, 2022 17:19:00   #
topcat Loc: Alameda, CA
 
ISO100 wrote:
I'd suggest checking with Isaac Szabo https://www.isaacszabo.com/infrared.html. He has done 9 conversions for me. Both dslr and mirrorless. No problems with any. He will discuss conversion both before and after, answer questions, offer advice, resolve any issues. Additionally, he is $100 cheaper than the competition.


Isaac has done two conversions for me. He is great. I recommend him.

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