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IR hot spot analysis on Leica T/CL lenses

Hello everyone,

I would like to share with you some test shots taken with a LCC plate.
It is a hot spot check on the Leica L lenses I own.
Most of the lenses work really well in IR, great sharpness and a nonintrusive hotspot.
The one lens that falls a bit behind, is the Summicron 23mm. Too bad, since I love its colour rendition.
The filter uses it is a Kolari Vision 850nm.

But, enough with words, let’s see the pictures:

  • Super-Vario-Elmar-TL 11–23 mm f/3.5–4.5 ASPH.

  • Elmarit-TL 18 f/2.8 ASPH. 

  • Vario-Elmar-TL 18–56 mm f/3.5–5.6 ASPH.

  • Summicron-TL 23 f/2 ASPH. 

  • APO-Vario-Elmar-TL 55–135 mm f/3.5–4.5 ASPH.

That’s all for now!
What do you think?
BONUS RAW files here: Hot Spot Test RAW files

Until next time.

Tomas.

HELIOS 58mm f2 Infrared performance test

Infrared post processing with Capture One

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