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Forum: Pentax DSLR Discussion
03-04-2018, 10:24 PM
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You can always convert faux color to monochrome in post. You can also put darker filters on a lens if the camera is converted to 590 or 665 if you want more contrast to the monochrome. The only advantage full spectrum brings is the possibility to photograph in UV or to photograph in normal spectrum with an external "hot mirror" on the lens (there is no more point and shoot though, you should take the time to set a custom WB). UV takes some very special filters and lenses ($$), so if you're not inclined to this style then you might consider an IR specific conversion of a second older camera.
Also a few companies (Lee?) still make IR filters in gels. I've cut down a few of these and mounted on the inside of a lens with no filter thread mounts and have been able to do a makeshift gel mount on the outside as well. Kolarivision is who I bought my second K1 from and they have a wealth of information on their site, also they were helpful with answering questions via email.
There are many possibilities. The trick is to decide what style you like without limiting yourself for expansion mixed with not going for the broadest conversion and then using just a small touch.
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Forum: Pentax DSLR Discussion
03-04-2018, 09:19 PM
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Isaac Szabo converted my K01 too and did a great job with support when I asked. After working with the K01 in IR, I felt Pentax might have missed by not making this camera in full spectrum for market. It was a camera before its time.
It has given me great images and from reviews I've read concerning some of the other brand mirror-less it doesn't suffer from sensor artifacts.
(I couldn't bear to have my original K1 converted either, thus the used one when I had the extra money. I find that with the correct "hot mirror" on the lens and custom WB the images are similar to a non converted camera.)
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Forum: Pentax DSLR Discussion
03-04-2018, 08:15 PM
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Greetings, I had a K01 converted to full spectrum for IR work and truly loved it. In fact I enjoy it so much I picked up a used K1 and had it converted also.
You might consider the full spectrum route so you can use any filter from 25a/29f to 850 depending on the effect you desire. I find I really like the Tiffen 87 and didn't find this option from any of the conversion places. Also I've started to experiment with UV which the full spectrum would permit in the future also.
Look at cpk's wonderful link and consider if you would like faux color, straight monochrome or both. The K01 has the same sensor as the K5 so anything from the K7 forward should do you well.
One advantage to a straight IR conversion is use of the viewfinder. For filters on the lens you will want a good live view system.
The main issue I've come across is lens hotspots with a few of the newer digital lenses. Here is a link that list several lenses that have been tested, Pentax seems to fair very well.
Lens Hotspot Database - Kolari Vision
Enjoy the world of IR, it is a very pleasing photographic experience.
These examples are with the 87, the vine flower with a plastic optic and the pen and book with the F35-70
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