LSV2: Screening In Fluorescence Tutorial

This tutorial reviews how to use the LSV2 when screening evidence in fluorescence light. Jake will walk through the best practices to adjust both LSV2 lighting options and filter combinations to achieve the best potential image for documentation and capture purposes, using an ideal semen stain sample. Visit Leeds website to learn more about the LSV2 Leeds Spectral Vision System. 0:00 Intro 0:10 Screen in Dark Room 0:35 Easily change light and filter combinations 0:47 Switching to Violet Light 1:01 Change Filter from Clear to Orange 1:12 Some stains are fluorescing orange, but the background is also fluorescing 1:45 Change from Orange Filter to Dark Orange Filter 2:07 Change to Red Filter, now see bigger difference in contrast 2:34 Go back to Orange Filter, capture image 2:44 Change to Blue Light, see a much bigger change in contrast 3:08 Now change through various filters to further increase contrast 3:20 Best result with red filter for this sample 3:30 Tip: Start with Light adjustments, then change filters to find the best contrast.