diff --git a/src/lib.rs b/src/lib.rs
index 515fb6a..d535143 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -210,7 +210,7 @@ impl Core {
 
 		let mut prng = rand_pcg::Pcg64::new(42, 0);
 		let source_rays: Vec<Ray> = (0..10240).map(|_| source.make_ray(&mut prng)).collect();
-		let camera_rays: Vec<Ray> = (0..1024).map(|_| camera.make_ray(&mut prng)).collect();
+		let camera_rays: Vec<Ray> = (0..10240).map(|_| camera.make_ray(&mut prng)).collect();
 		let mut source_ray_display: Vec<Vertex> = Vec::with_capacity(source_rays.len());
 		let mut hits: Vec<Ray> = Vec::with_capacity(source_rays.len());
 		for ray in source_rays {
diff --git a/ui/src/main_window.ui b/ui/src/main_window.ui
index aef1ac0..fa9bb16 100644
--- a/ui/src/main_window.ui
+++ b/ui/src/main_window.ui
@@ -181,7 +181,10 @@
            <number>-100</number>
           </property>
           <property name="maximum">
-           <number>100</number>
+           <number>0</number>
+          </property>
+          <property name="value">
+           <number>-40</number>
           </property>
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
@@ -203,6 +206,9 @@
           <property name="maximum">
            <number>100</number>
           </property>
+          <property name="value">
+           <number>-50</number>
+          </property>
           <property name="orientation">
            <enum>Qt::Horizontal</enum>
           </property>