diff --git a/lens/main.rkt b/lens/main.rkt
new file mode 100644
index 0000000..ee68c5e
--- /dev/null
+++ b/lens/main.rkt
@@ -0,0 +1,7 @@
+#lang sweet-exp racket/base
+
+require "private/main.rkt"
+
+provide
+  all-from-out
+    "private/main.rkt"