diff --git a/lectureFiles/RangeCameras.pdf b/lectureFiles/RangeCameras.pdf
index 6590ecdbc5752e430ebd42e97a2a80f6994625f7..8f9fd4c37ec9f155d408a68ee08b7e7bc1b4d00e 100644
Binary files a/lectureFiles/RangeCameras.pdf and b/lectureFiles/RangeCameras.pdf differ
diff --git a/lectureFiles/tsbb21_range_II.pdf b/lectureFiles/tsbb21_range_II.pdf
new file mode 100644
index 0000000000000000000000000000000000000000..8ca04dda129d882f61352377329490c8d24777cc
Binary files /dev/null and b/lectureFiles/tsbb21_range_II.pdf differ