Hi Antal, My colleague uses a Tamron 4-12mm F1.2. I focused it, it has a nice sharp image, better than 8mm at my 8-48mm F1.2 which has some abberations on
Dear Metrec Users,  after several month of continous search process I have found only two potential alternatives for Computar 3,6mm /f0.8 lens, which is
Folks, I observed a seriuos bug in the DOS version of MetRec 5.0. The timer is not properly working, an issue that I observed and fixed before, but that
Folks, more than a year ago, Hans Smit from ESA has started to work on a Windows port of MetRec. Since early 2009, both of us continued to work intensively on
Hi Sebastià, the IR tag is a bit tricky and mainly depends on the manufacturer. As it is known the refractive index changes with the wavelenght. In optics the