You better get a tissue and, if you are in public, rest your chin on your hand to avoid the embarrassment of being seen with your mouth wide open, because the image quality of the Zeiss 135mm f/2 Apo Sonnar T* ZE Lens is jaw-dropping and drool-worthy.
You will now find image quality, flare, distortion and vignetting test results along with specs, measurements and eye candy available on the Zeiss 135mm f/2 Apo Sonnar T* ZE Lens review page. Results in all of the tests are best-in-class.
Let B&H satisfy the Zeiss 135mm craving I'm sure that you now have.