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I get a weird foggy eye when rendered in low resolution. Take a look at the screenshots provided (high/low resolution), how would you fix those reflections/refractions in the eye, so it does not look foggy? First eye layer (cornea) simple glass material. Rest is split between iris, pupil and sclera. Fine: Wrong:

For the past couple days I've been racking my head trying to create this complex acrylic material that resembles a piece of furniture i have. Basically its a pieces of thick refractive acrylic joined together its has a very nice glassy look to it, also, the back side of the vertical piece has a red colored less transparent strip of of acrylic instead of the clear. This lets the red color project and bounce around the whole piece from different angles, its a very cool effect. So i was able to get the bounce to work correctly but then i realized that the material i created wasn't behaving exactly like my sample. When i look at the sample i can see through the acrylic and see edges on the other side, it makes the depth and thickness and geometry of the object obvious even though its warped where faces overlap.Bellow I've attached a photo of the sample showing the location of the red strip outlined in green, and the effect im trying to achieve outlined in orange. My material isn't doing that and it looks frail and thin like brittle pieces of glass stuck together. I tried to sue a small outer shell modifier as a cheat to make get the effect i was looking for and it kind of worked but then i lost the red color bouncing around the objects. I could really use some help with this if anyone has mastered these kind of complex materials, I've always had trouble getting water to look realistic no matter how mater tutorials i watch its probably the same reason this is giving me trouble. I'm using Max2016 and vray 3.30.05 and my materials settings are posted below, thanks in advance for all of your help!!

Hello, I am using a VRay 3.5 for Maya 2017. I expected one issue that i cannot pass over. I cannot create an infinite mirror in CUDA mode. In CPU there is not no problem. I think the problem should be that i cannot set local reflection subdivs in CUDA mode. I have very low CPU vs my GPU (Nvidia Tesla), so in real case i will not render 2 mirrors but parabol in headlamp, so its needed to use a GPU CUDA mode. In pictures bellow you can see what I mean, in CUDA mode I cannot get more then 3 reflections, but in CPU i can reach what i need to have. (Both render was stopped after primary bounce, for example that could be enough) SCENE: GPU: CPU: Could someone help me, to find solution to get same result in GPU (CUDA)?