diff --git a/src/data/examples/FieldIlluminationDataset-001.yaml b/src/data/examples/FieldIlluminationDataset-001.yaml
index d47c802e..fa4cb276 100644
--- a/src/data/examples/FieldIlluminationDataset-001.yaml
+++ b/src/data/examples/FieldIlluminationDataset-001.yaml
@@ -9,7 +9,7 @@ data_reference:
 microscope:
   name: "My microscope"
   description: "A nice microscope"
-  type: "3D-SIM"
+  type: "SIM3D"
   manufacturer: "Applied Precision"
   model: "OMX-V4"
   serial_number: "654321"
diff --git a/src/data/examples/FieldIlluminationDataset-002.yaml b/src/data/examples/FieldIlluminationDataset-002.yaml
index 92266b05..76d08fb2 100644
--- a/src/data/examples/FieldIlluminationDataset-002.yaml
+++ b/src/data/examples/FieldIlluminationDataset-002.yaml
@@ -11,7 +11,6 @@ microscope:
 sample:
   name: Chroma slides
   description: The old chroma slides
-  type: Slide
   protocol:
     name: "ExampleProtocol"
     type: "Protocol"
diff --git a/src/data/examples/MetricsDataset-001.yaml b/src/data/examples/MetricsDataset-001.yaml
index 6b7fedf0..c91559b2 100644
--- a/src/data/examples/MetricsDataset-001.yaml
+++ b/src/data/examples/MetricsDataset-001.yaml
@@ -5,7 +5,7 @@ data_reference:
 microscope:
   name: "My microscope"
   description: "A nice microscope"
-  type: "3D-SIM"
+  type: "SIM3D"
   manufacturer: "Applied Precision"
   model: "OMX-V4"
   serial_number: "654321"
diff --git a/src/microscopemetrics_schema/strategies/__init__.py b/src/microscopemetrics_schema/strategies/__init__.py
index e02ca0c5..ace312ba 100644
--- a/src/microscopemetrics_schema/strategies/__init__.py
+++ b/src/microscopemetrics_schema/strategies/__init__.py
@@ -45,7 +45,7 @@ def st_mm_metrics_object(
 def st_mm_microscope(
     draw,
     metrics_object=st_mm_metrics_object(),
-    type=st.sampled_from(["WIDE-FIELD", "CONFOCAL", "STED", "3D-SIM", "OTHER"]),
+    type=st.sampled_from(["WIDEFIELD", "CONFOCAL", "STED", "SIM3D", "OTHER"]),
     manufacturer=st.text(
         alphabet=st.characters(codec="latin-1"), min_size=1, max_size=32
     ),