Amazon.com : SVBONY SV503 Refractor Telescope, 80mm F7 Extra Low。Amazon.com : Laowa 24 mm F/14 2X Macro Probe Lens with Long。Amazon.com : SVBONY SV503 Telescope 80ED F7 OTA Focal Length 560mm。Tourist-3 TYPNCT-3 20x50 Russian telescope, black. | eBay。All are dried specimens collected in the field for academic research.Data is included with each specimen.Rubbing