First shots on IR-converted body

karma mechanic
Posted 03/07/2011 - 17:28 Link
I had a brief opportunity today to take some shots with the body I converted to IR. It shows promise, but I managed to get a few bits of dust in there as well, so I'll strip it down and fix that tomorrow. In the meantime these show the general nature of the images I'm getting:

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Both on the Sigma 10-20mm at 10mm, 250th at f/8 and ISO 200. Internal filter is part of a Hoya R72 cut to 28x22mm over the sensor. The edges aren't good, the left edge in particular is a bit blurry but I could get used to cropping them a bit...

Exposure is a bit hit and miss, since it is now metering the normal light. The above were about a stop underexposed, while some shots in the woods came out about 3 stops over. It is all a learning curve!
My own website is www.richardgaddphotography.com

Also on 500px
johnriley
Posted 03/07/2011 - 17:40 Link
You're clearly getting there!

Exposure will always be hit and miss as there's no way of knowing how much IR light is present. However, it's always been the same, so I guess there's always going to be an element of surprise when you look at the results.
Best regards, John
karma mechanic
Posted 03/07/2011 - 17:48 Link
johnriley wrote:
You're clearly getting there!

Exposure will always be hit and miss as there's no way of knowing how much IR light is present. However, it's always been the same, so I guess there's always going to be an element of surprise when you look at the results.
With the filter on the lens the meter saw mostly IR, so that did tend to give more accurate exposures. I'll probably take a test shot and use the histogram to set a manual exposure for critical stuff. Just wondering what else I can do while it is in bits - might try to move the sensor forwards 0.5mm so that the viewfinder focus matches sensor focus.
My own website is www.richardgaddphotography.com

Also on 500px
Hardgravity
Posted 03/07/2011 - 19:05 Link
Considering the fact you had a very complicated item in bits and then put it together again I'm amazed at the quality of the shots.

Super conversion and nice results.
Cheers, HG

K110+DA40, K200+DA35, K3 and a bag of lenses, bodies and other bits.

Mustn't forget the Zenits, or folders, or...

PPG entries.
Stuey
Posted 03/07/2011 - 19:12 Link
Now I didn't think that I liked IR shots - these prove me wrong
K10D, K5 plus plenty of clueless enthusiasm.

My Flickr site link
dougf8
Posted 03/07/2011 - 19:31 Link
Wow, well done for getting the camera back together, I'm impressed.
Lurking is shirking.!
pmcquail
Posted 05/07/2011 - 22:24 Link
Lovely shots.

Well done on the conversion job.
K5, K200d (IR @ 720NM), X-5

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