Alstroemeria UV-VIS-IR

[Herman1705]

Full spectrum Sony A500 + Tessar 2.8/50mm @ f/5.6; WB 2550K; ISO 200.

Lightroom processing: X-rite color checker passport calibration for the Tessar; IR camera profile; WB correction; other corrections.

PSE 14: NIK processing: Dfine, RAW presharpener

 

VIS: 2 daylight bulbs, no filters, 1/100 s.

UV: 2 black lights, 3mm U340, 60 s.

IR: 2 daylight bulbs, 760nm filter, 2 s, RGB channel swap

 

VIS:

 

UV:

 

IR:

 

 

Herman

[Andrea B.]

These are such good flowers for UV-Vis-IR comparisons, aren't they? I like the delicate tones of the IR photograph with that pretty false yellow.

 

Tell me please, what is the brand of your Tessar 50/2.8 lens? Is that a Zeiss? A Carl Zeiss?

[Herman1705]

http://vintage-camer...essar-50mm-2-8/ writes: "Some lenses are marked Carl Zeiss Tessar while others, which were meant for export, are simply marked with aus Jena T DDR. Either way, they are both the exact same lens. The only difference is that at the time of production Carl Zeiss Jena (East Germany) did not own the copyright to the name Tessar which was also being produced in West Germany by Carl Zeiss Oberkochen among others. This tends the less expensive version".

I have the aus Jena T DDR version, the cheap one :-)