diff --git a/.changeset/shiny-tables-decide.md b/.changeset/shiny-tables-decide.md
new file mode 100644
index 0000000..ff363ea
--- /dev/null
+++ b/.changeset/shiny-tables-decide.md
@@ -0,0 +1,6 @@
+---
+"effect-mongodb": patch
+---
+
+Use Filter type in FindCursor and DocumentFindCursor filter function.
+Add optional filter parameter to find functions in Collection and DocumentCollection
diff --git a/packages/effect-mongodb/src/Collection.ts b/packages/effect-mongodb/src/Collection.ts
index e517421..1024e45 100644
--- a/packages/effect-mongodb/src/Collection.ts
+++ b/packages/effect-mongodb/src/Collection.ts
@@ -40,21 +40,24 @@ export class Collection<A extends Document, I extends Document = A, R = never> e
 export type FindOptions = Omit<MongoFindOptions, "projection">
 
 export const find: {
-  (
+  <I extends Document>(
+    filter?: Filter<I>,
     options?: FindOptions
-  ): <A extends Document, I extends Document, R>(collection: Collection<A, I, R>) => FindCursor.FindCursor<A, I, R>
+  ): <A extends Document, R>(collection: Collection<A, I, R>) => FindCursor.FindCursor<A, I, R>
   <A extends Document, I extends Document, R>(
     collection: Collection<A, I, R>,
+    filter?: Filter<I>,
     options?: FindOptions
   ): FindCursor.FindCursor<A, I, R>
 } = F.dual(
   (args) => isCollection(args[0]),
   <A extends Document, I extends Document, R>(
     collection: Collection<A, I, R>,
+    filter?: Filter<I>,
     options?: FindOptions
   ): FindCursor.FindCursor<A, I, R> =>
     new FindCursor.FindCursor<A, I, R>({
-      cursor: collection.collection.find({}, options),
+      cursor: collection.collection.find(filter ?? {}, options),
       schema: collection.schema
     })
 )
diff --git a/packages/effect-mongodb/src/DocumentCollection.ts b/packages/effect-mongodb/src/DocumentCollection.ts
index e0e6f19..66a12aa 100644
--- a/packages/effect-mongodb/src/DocumentCollection.ts
+++ b/packages/effect-mongodb/src/DocumentCollection.ts
@@ -39,17 +39,21 @@ export class DocumentCollection extends Data.TaggedClass("DocumentCollection")<{
 }
 
 export const find: {
-  (options?: FindOptions): (collection: DocumentCollection) => DocumentFindCursor.DocumentFindCursor
+  (
+    filter?: Filter<Document>,
+    options?: FindOptions
+  ): (collection: DocumentCollection) => DocumentFindCursor.DocumentFindCursor
   (
     collection: DocumentCollection,
+    filter?: Filter<Document>,
     options?: FindOptions
   ): DocumentFindCursor.DocumentFindCursor
 } = F.dual(
   (args) => isDocumentCollection(args[0]),
-  (collection: DocumentCollection, options?: FindOptions) =>
+  (collection: DocumentCollection, filter?: Filter<Document>, options?: FindOptions) =>
     new DocumentFindCursor.DocumentFindCursor(
       {
-        cursor: collection.collection.find({}, options)
+        cursor: collection.collection.find(filter ?? {}, options)
       }
     )
 )