diff --git a/toonz/sources/common/tunit/tunit.cpp b/toonz/sources/common/tunit/tunit.cpp
index 2d38202..fc2896c 100644
--- a/toonz/sources/common/tunit/tunit.cpp
+++ b/toonz/sources/common/tunit/tunit.cpp
@@ -347,14 +347,15 @@ TMeasureManager::TMeasureManager() {
   m->add(cameraYFld.clone());
   add(m);
 
-  const double stage_inch = 53.33333;  // Consider changing to 120 or 160
+  const double stage_inch        = 53.33333;  // Consider changing to 120 or 160
+  const double stage_standardDpi = 120;
 
   TUnit fxLength(L"fxLength"),
       fxInch(L"in", new TSimpleUnitConverter(1 / stage_inch)),
       fxCm(L"cm", new TSimpleUnitConverter(2.54 / stage_inch)),
       fxMm(L"mm", new TSimpleUnitConverter(25.4 / stage_inch)),
       fxXfld(L"fld", new TSimpleUnitConverter(2 / stage_inch)),
-      fxPx(L"px", new TSimpleUnitConverter(1));
+      fxPx(L"px", new TSimpleUnitConverter(stage_standardDpi / stage_inch));
   fxInch.addExtension(L"inch");
   fxInch.addExtension(L"\"");
   fxInch.addExtension(L"''");
diff --git a/toonz/sources/include/toonz/stage.h b/toonz/sources/include/toonz/stage.h
index af6f99e..c490aa8 100644
--- a/toonz/sources/include/toonz/stage.h
+++ b/toonz/sources/include/toonz/stage.h
@@ -43,7 +43,7 @@ namespace Stage {
 //=============================================================================
 
 DVVAR extern const double inch;
-DVVAR extern const double vectorDpi;
+DVVAR extern const double standardDpi;
 
 class Visitor;
 struct VisitArgs;
diff --git a/toonz/sources/include/toonz/tcamera.h b/toonz/sources/include/toonz/tcamera.h
index 3bf62b7..a713606 100644
--- a/toonz/sources/include/toonz/tcamera.h
+++ b/toonz/sources/include/toonz/tcamera.h
@@ -42,6 +42,9 @@ Constructs TCamera with default value, size (12,9) and resolution (768,576).
   Constructs TCamera with default value, size (36, 20.25) and resolution
 (1920,1080).
 - 05/31/16
+Constructs TCamera with default value, size (16, 9) and resolution
+(1920,1080).
+- 08/16/16
 */
   TCamera();
 
diff --git a/toonz/sources/toonz/camerasettingspopup.cpp b/toonz/sources/toonz/camerasettingspopup.cpp
index ec52cd0..75da3d1 100644
--- a/toonz/sources/toonz/camerasettingspopup.cpp
+++ b/toonz/sources/toonz/camerasettingspopup.cpp
@@ -244,7 +244,8 @@ void CameraSettingsPopup::updateFields() {
   TCamera *camera = cameraObject->getCamera();
   if (Preferences::instance()->getPixelsOnly()) {
     TDimension res = camera->getRes();
-    camera->setSize(TDimensionD(res.lx / Stage::inch, res.ly / Stage::inch));
+    camera->setSize(
+        TDimensionD(res.lx / Stage::standardDpi, res.ly / Stage::standardDpi));
   }
   if (camera) m_cameraSettingsWidget->setFields(camera);
 }
diff --git a/toonz/sources/toonz/iocommand.cpp b/toonz/sources/toonz/iocommand.cpp
index d9f6345..5a3bfc6 100644
--- a/toonz/sources/toonz/iocommand.cpp
+++ b/toonz/sources/toonz/iocommand.cpp
@@ -1257,8 +1257,8 @@ bool IoCmd::saveSceneIfNeeded(QString msg) {
 void IoCmd::newScene() {
   RenderingSuspender suspender;
   TApp *app        = TApp::instance();
-  double cameraDpi = 53.33333;  // used to be 64, consider changing to 120 or
-                                // 160
+  double cameraDpi = 120;  // used to be 64 and 53.33333
+
   if (!saveSceneIfNeeded(QApplication::tr("New Scene"))) return;
 
   IconGenerator::instance()->clearRequests();
diff --git a/toonz/sources/toonz/preferencespopup.cpp b/toonz/sources/toonz/preferencespopup.cpp
index 0f0cfeb..cf43fbd 100644
--- a/toonz/sources/toonz/preferencespopup.cpp
+++ b/toonz/sources/toonz/preferencespopup.cpp
@@ -27,6 +27,7 @@
 #include "toonz/tcamera.h"
 #include "toonz/levelproperties.h"
 #include "toonz/tonionskinmaskhandle.h"
+#include "toonz/stage.h"
 
 // TnzCore includes
 #include "tsystem.h"
@@ -217,22 +218,22 @@ Preferences::LevelFormat PreferencesPopup::FormatProperties::levelFormat()
 void PreferencesPopup::onPixelsOnlyChanged(int index) {
   bool enabled = index == Qt::Checked;
   if (enabled) {
-    m_pref->setDefLevelDpi(53.33333);
+    m_pref->setDefLevelDpi(Stage::standardDpi);
     m_pref->setPixelsOnly(true);
     TCamera *camera;
     camera =
         TApp::instance()->getCurrentScene()->getScene()->getCurrentCamera();
     TDimension camRes = camera->getRes();
     TDimensionD camSize;
-    camSize.lx = camRes.lx / 53.33333;
-    camSize.ly = camRes.ly / 53.33333;
+    camSize.lx = camRes.lx / Stage::standardDpi;
+    camSize.ly = camRes.ly / Stage::standardDpi;
     camera->setSize(camSize);
     TDimension cleanupRes = CleanupSettingsModel::instance()
                                 ->getCurrentParameters()
                                 ->m_camera.getRes();
     TDimensionD cleanupSize;
-    cleanupSize.lx = cleanupRes.lx / 53.33333;
-    cleanupSize.ly = cleanupRes.ly / 53.33333;
+    cleanupSize.lx = cleanupRes.lx / Stage::standardDpi;
+    cleanupSize.ly = cleanupRes.ly / Stage::standardDpi;
     CleanupSettingsModel::instance()->getCurrentParameters()->m_camera.setSize(
         cleanupSize);
     m_pref->storeOldUnits();
@@ -241,7 +242,7 @@ void PreferencesPopup::onPixelsOnlyChanged(int index) {
     m_unitOm->setDisabled(true);
     m_cameraUnitOm->setDisabled(true);
     m_defLevelDpi->setDisabled(true);
-    m_defLevelDpi->setValue(53.33333);
+    m_defLevelDpi->setValue(Stage::standardDpi);
     m_defLevelWidth->setMeasure("camera.lx");
     m_defLevelHeight->setMeasure("camera.ly");
     m_defLevelWidth->setValue(m_pref->getDefLevelWidth());
diff --git a/toonz/sources/toonz/sceneviewer.cpp b/toonz/sources/toonz/sceneviewer.cpp
index 826eb7f..d039b34 100644
--- a/toonz/sources/toonz/sceneviewer.cpp
+++ b/toonz/sources/toonz/sceneviewer.cpp
@@ -1864,8 +1864,12 @@ void SceneViewer::zoomQt(bool forward, bool reset) {
 /*! a factor for getting pixel-based zoom ratio
 */
 double SceneViewer::getDpiFactor() {
+  // When the current unit is "pixels", always use a standard dpi
+  if (Preferences::instance()->getPixelsOnly()) {
+    return Stage::inch / Stage::standardDpi;
+  }
   // When preview mode, use a camera DPI
-  if (isPreviewEnabled()) {
+  else if (isPreviewEnabled()) {
     return Stage::inch /
            TApp::instance()
                ->getCurrentScene()
diff --git a/toonz/sources/toonzlib/stage.cpp b/toonz/sources/toonzlib/stage.cpp
index 3c9610a..38b5072 100644
--- a/toonz/sources/toonzlib/stage.cpp
+++ b/toonz/sources/toonzlib/stage.cpp
@@ -69,8 +69,8 @@ typedef std::vector<Player> PlayerSet;
    thickness of
                 images .pli.
 */
-const double Stage::inch      = 53.33333;  // consider changing to 120 or 160
-const double Stage::vectorDpi = 53.3333;
+const double Stage::inch        = 53.33333;  // consider changing to 120 or 160
+const double Stage::standardDpi = 120;
 
 namespace {
 void updateOnionSkinSize(const PlayerSet &players) {
diff --git a/toonz/sources/toonzlib/tcamera.cpp b/toonz/sources/toonzlib/tcamera.cpp
index 9772662..99d68c9 100644
--- a/toonz/sources/toonzlib/tcamera.cpp
+++ b/toonz/sources/toonzlib/tcamera.cpp
@@ -10,7 +10,8 @@
 
 TCamera::TCamera()
     //: m_size(12, 9), m_res(768, 576), m_xPrevalence(true)
-    : m_size(36, 20.25),
+    //: m_size(36, 20.25),
+    : m_size(16, 9),
       m_res(1920, 1080),
       m_xPrevalence(true) {}
 
diff --git a/toonz/sources/toonzqt/camerasettingswidget.cpp b/toonz/sources/toonzqt/camerasettingswidget.cpp
index 2da8e22..acfd5e8 100644
--- a/toonz/sources/toonzqt/camerasettingswidget.cpp
+++ b/toonz/sources/toonzqt/camerasettingswidget.cpp
@@ -759,8 +759,8 @@ void CameraSettingsWidget::onYResChanged() {
 
 void CameraSettingsWidget::onXDpiChanged() {
   if (Preferences::instance()->getPixelsOnly()) {
-    m_xDpiFld->setValue(Stage::inch);
-    m_yDpiFld->setValue(Stage::inch);
+    m_xDpiFld->setValue(Stage::standardDpi);
+    m_yDpiFld->setValue(Stage::standardDpi);
   } else if (m_fspChk->isChecked())
     m_yDpiFld->setValue(m_xDpiFld->getValue());
 
@@ -781,8 +781,8 @@ void CameraSettingsWidget::onXDpiChanged() {
 
 void CameraSettingsWidget::onYDpiChanged() {
   if (Preferences::instance()->getPixelsOnly()) {
-    m_xDpiFld->setValue(Stage::inch);
-    m_yDpiFld->setValue(Stage::inch);
+    m_xDpiFld->setValue(Stage::standardDpi);
+    m_yDpiFld->setValue(Stage::standardDpi);
   } else if (m_fspChk->isChecked())
     m_xDpiFld->setValue(m_yDpiFld->getValue());
 
@@ -850,8 +850,8 @@ void CameraSettingsWidget::onPresetSelected(const QString &str) {
     }
 
     if (Preferences::instance()->getPixelsOnly()) {
-      m_lxFld->setValue(xres / Stage::inch);
-      m_lyFld->setValue(yres / Stage::inch);
+      m_lxFld->setValue(xres / Stage::standardDpi);
+      m_lyFld->setValue(yres / Stage::standardDpi);
     }
 
     if (m_forCleanup && m_offsX && m_offsY && !xoffset.isEmpty() &&
diff --git a/toonz/sources/toonzqt/cleanupcamerasettingswidget.cpp b/toonz/sources/toonzqt/cleanupcamerasettingswidget.cpp
index b02a541..b158188 100644
--- a/toonz/sources/toonzqt/cleanupcamerasettingswidget.cpp
+++ b/toonz/sources/toonzqt/cleanupcamerasettingswidget.cpp
@@ -95,7 +95,7 @@ void CleanupCameraSettingsWidget::setFields(
   if (Preferences::instance()->getPixelsOnly()) {
     TDimension res = cleanupParameters->m_camera.getRes();
     cleanupParameters->m_camera.setSize(
-        TDimensionD(res.lx / Stage::inch, res.ly / Stage::inch));
+        TDimensionD(res.lx / Stage::standardDpi, res.ly / Stage::standardDpi));
   }
   m_cameraWidget->setFields(&cleanupParameters->m_camera);
   m_offsX->setValue(cleanupParameters->m_offx);