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Jerry
My 1st camera 5D classic I bought directly from maxmax already converted by them. A few years later it up and quit, no power and I sent to Canon for repairs and they replaced the whole sensor unit filter and all. I later sold it since the 5D MKII was already out.
My 5D MKII IR conversion and full spectrum MKII conversion were done by Life Pixel.
Things to be aware of with Full Spectrum is you will need a few filters. One for letting in colour only I use a B+W 489 and B+W 486. Another for IR lots to choose from there depending on how much IR light you want to let in. I use everything from Heliopan 645 through Heliopan 1000, but my most frequent used one is the B+W 093. The B+W 092, Hoya RM72 are also nice so you can get the red and blue channel switch capabilities. With full spectrum you can go extreme and also use regular coloured filters (Yellow 8, Green 11, Red 25, Orange 15 etc).
You may see additional hot spots going the filter on the lens route as internal reflections at times may be an issue on some lenses. There is less of an issue with the internal filter over the sensor replaced for IR only. Older Canon lenses have less issues with hotspots when stopping down to F11-F16 than newer lenses.
If you plan on shooting UV you will need to look at other lenses from other manufacturers. With my UV lenses I use a Baeder-UG11 XX telescope filter that eliminates all light except UV. Others may tell you that the B+W 403 is for UV but the filter does allow some IR light through also, the same goes for the Wratten 18. For lenses themselves I use a Coastal Optics 60mm UV-VIS-IR, Nikon UV 105mm, of more reasonable priced options (but less UV capabilities) Nikon Series E 28, also used a Nikon Series E 35 and lately a Ciero 35mm. Sorry but Canon lenses have most UV light eliminated with the coating on the lens.
The full spectrum conversion gives you the most options on which spectrum to shoot from, but if you are doing UV or IR you lose the ability for composing as the filter is too dark to see through the viewfinder. If the camera has live view you can still use it to compose, if no live view then you must compose first then put the filter on and adjust for focus. With the filter over the sensor you can still use AF and the viewfinder to compose.
Edited on Jul 04, 2014 at 01:51 PM · View previous versions
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