Archived posting to the Leica Users Group, 2006/11/08
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Henning, The IR sensitivity you described with the one IR photo you shared appears to be much better then the D1H I purchased (very used) just for IR work. That high sensitivity is a big plus for me in considering the M8. I can easily filter out IR or UV but going the other way if the sensor doesn't have the sensitivity it's absolutely no good for IR sensitivity. IR photography with a RF camera like an M7 or M8 is a big plus since you can keep the filter on the lens at all time. I'm also shooting UV using an EL-Nikkor on a bellows and I find a very large difference in different sensor sensitivity to UV. A D200 has absolutely no sensitivity to UV (blank frames no matter the ISO setting and the time exposed) where a D2X has very good sensitivity. I use black light as a source, a B+W 403 filter and a Tiffen hot mirror. So I'm curious if the M8 has good near UV sensitivity down to about 350 nm as well. Len On Nov 8, 2006, at 10:19 PM, Henning Wulff wrote: > At 10:33 PM +0000 11/8/06, Steve Unsworth wrote: >> According to a thread posted on the Leica forum... >> >> http://www.leica-camera-user.com/digital-forum/8937-official-leica- >> statements.html >> >> Leica are offering a solution to the magenta colouring problem >> with the M8 - in particular on black clothing. Apparently they >> acknowledge that it's caused by the IR sensitivity of the sensor. >> Their solution involves using an IR/UV filter on a lens that must >> have been coded with the relevant 6 bit code. >> >> Not impressed, heads should roll :-( >> >> Steve > > Actually, this is one of the reasons I'm very interested in the M8. > As I wrote a while ago, the high IR sensitivity allows you to use > the M8 very easily for IR phtography. In fact, as I noted, with an > 89b filter (or Leica IR filter, which is the same) you can even > meter normally, and handheld photography with an 87 is possible. > Colour accuracy at high ISO's suffers on black cloth and things > under incandescent light, but that's a cheap tradeoff for me. > > -- > * Henning J. Wulff > /|\ Wulff Photography & Design > /###\ mailto:henningw@archiphoto.com > |[ ]| http://www.archiphoto.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information