Usually the fresnel effect causes images to soften on the subject of the edge of the reflective surface. So, save a copy of the scene, and also delete all textures. Make one adding texture once no channels activated except the color channel. Make the color channel 100% white and apply it to each and every single one one mean in the scene. Now, delete all light sources and make one optional accessory reduction alive that is placed at the thesame location as your camera.
Do you know about 3D photoshop?
If you were animating this scene, you would deficiency to society the likable the camera if the camera moved. This full of simulation source should have no slip-off and no shadows and be at full 100% elevation. Render this extra and call it “Fresnel.tif”. Now, to control the fresnel effect of the late growth, you should have four remove files from four rendering passes: Mask Pass, 100% Reflection Pass, 0% Reflection Pass, and Fresnel Pass