Quoting Timber, who wrote on Thu, Jan 17, 2008 at 03:03:29AM +0100 .. > I don't think any company will release an IR converted camera. Fuji > tried it and so far I know it wasn't really a success. The IR conversion > is nothing more than removing/replacing the hot-filter since the > CCD/CMOS is already sensitive to both IR and UV. The Pentax K10D has a > very strong hotfilter so IR photography is quite impossible with an > unmodded K10D, but K100D Super has some potential (where the K10D needed > 30sec K100Ds needed 2sec). Also full spectrum modded (hotfilter removed) > SLR has some serious disadvantage if it doesn't have a live view, since > you can't see trough the IR filter. IR modded (hotfilter replaced with > IR filter) SLR makes life just a little easier since the IR light's > different wavelength needs different focusing (it means if with normal > light the focus distance is for example 5 meters then with IR light it > would be 7 meters). Sigma has an interesting solution to this, since the > hotfilter can be found between the lens and the mirror and you can > remove it anytime (or even replace it with some filters). > > With Live View things are way more easier since you can see trough the > IR filter with the help of CCD+LCD and you can compose much more easier > with this. Also to get the correct exposure if the camera meters with > the CCD/CMOS is just as easy as with normal light photography. > > I have a full spectrum modded Panasonic FZ50 and I really enjoy doing > hand-held IR photography with it. I can't wait to have a little better > weather here and make some nature IR shots with it. > > To test your camera's IR capabilities you should get a remote control, > face it to the cam and make a picture of it while pressing a button. If > you see a little white/purple light on the front of the RC then you > camera has IR possibilities (like K100D). If you see nothing (like K10D) > then your camera has a strong hotfilter. > > Also to mod a CCD-Shift mechanism SLR is very risky cause you have to > 'touch' the very sensitive anti-shake mechanism too. I think that's why > lifepixel won't do K10D modding. If you want to get into the IR > photography I suggest to buy an SLR-Like cam (like Panasonic FZ50, > Fujifilm S9600, Canon S3/S5 IS or if you can afford then a Sony R1) and > start with that. Modded SLR is only needed if you would like to do > astrophotography, but in this case I recommend using an Canon EOS > 350D/400D (or if you can afford then a Nikon D300) instead of Pentax > K10(0)D, since there you won't need Shake Reduction, EOS has lower noise > at higher ISO and you can put your K lenses on EOS with ease. > > But I highly recommend to try IR photography with a modded SLR-like cam > first. If you're brave enough then you can do the conversion yourself, > there are lot of instructions about this on the internet. For me the
In case you like to try a DIY job http://www.xs4all.nl/~wkb/IR-DC3400 OK, it is not a Pentax, I don't own any digital Pentax cameras. Wilko -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
