[Leica] IMG: More IR on M8

[firkin at ncable.net.au (Alastair Firkin)]

On 05/02/2007, at 15:53, Robert Rose wrote:

> Some more IR images, from the Getty Museum in Los Angeles.
>
> http://gallery.leica-users.org/v/rjrose/IR/L1000407.jpg.html
> http://gallery.leica-users.org/v/rjrose/IR/L1000412.jpg.html
> http://gallery.leica-users.org/v/rjrose/IR/L1000421.jpg.html
>
> There are two non-IR images in the same album, to compare.  Which  
> do you think works better?
>
> The amount of exposure necessary really varies throughout the day.   
> The A setting does a good job on exposure.  At times really high  
> ISO is needed, but the noise ("grain") reminds me of the grain from  
> Kodak High Speed Infrared.
>
> A red filter doesn't seem to work well.
>
> Some of the images (not these) are fuzzy.  I am pretty sure that it  
> is not focus shift; perhaps it is a cousin to blooming that occurs  
> in IR film.  Sharpening helps, as does slight underexposure.
>
> I am using Adobe Camera Raw to open the DNG file.  I turn on the  
> clipping warnings, and then adjust the Temperature and tint to  
> minimize clipping.  Then I use Nik Color Efex Pro; BW Conversion  
> Tonal Enhancer to convert to BW, and then do a final adjustment  
> using Levels.  Bringing the middle slider up seems to make the  
> image more dramatic.
>
> Lots of fun research ahead.
>
> Cheers,
> Bob Rose

Well, it seems there is a whole world of IR images about to  
"explode". IR has always had uses, but carrying and using the film is  
hard: this looks like a great alternative: thanks for researching it ;-)

Cheers