     // MARK: - Subviews
     
     private let photoView = UIImageView()
+    private let photoOverlayView = UIView()
     private let shutterButton = UIButton()
     private let cameraToggleButton = UIButton()
     private let flashButton = UIButton()

        photoView.size = CGSize(width: photoViewDiameter, height: photoViewDiameter)
        photoView.left = bounds.left + insets.left
        photoView.centerY = centerY
    }
    
    // MARK: - CameraControlsView

            action: #selector(onPhotoViewTap(_:))
        ))
        
        photoOverlayView.backgroundColor = .black
        photoOverlayView.alpha = 0.04
        photoOverlayView.layer.cornerRadius = photoViewDiameter / 2
        photoOverlayView.clipsToBounds = true
        photoOverlayView.isUserInteractionEnabled = false
        
        shutterButton.backgroundColor = .blue
        shutterButton.clipsToBounds = false
        shutterButton.addTarget(
