diff --git a/src/mol-canvas3d/passes/smaa.ts b/src/mol-canvas3d/passes/smaa.ts
index f7a6af26fa98faa74c241648b4c3567dd014ea35..49196c33a93678c3cf4eff6bd89bdf461f09a85c 100644
--- a/src/mol-canvas3d/passes/smaa.ts
+++ b/src/mol-canvas3d/passes/smaa.ts
@@ -25,8 +25,8 @@ import { Viewport } from '../camera/util';
 import { isDebugMode } from '../../mol-util/debug';
 
 export const SmaaParams = {
-    edgeThreshold:PD.Numeric(0.1, { min: 0.05, max: 0.2, step: 0.01 }),
-    maxSearchSteps:PD.Numeric(18, { min: 0, max: 98, step: 1 }),
+    edgeThreshold:PD.Numeric(0.1, { min: 0.05, max: 0.15, step: 0.01 }),
+    maxSearchSteps:PD.Numeric(16, { min: 0, max: 32, step: 1 }),
 };
 export type SmaaProps = PD.Values<typeof SmaaParams>