Amazon.com : 0.3X Precision Engineered Fisheye Lens Compatible。Amazon.com : Opteka OPT-SC72FE Titanium Series 0.3X HD Ultra。Oliver Peoples Fairmont-F with Dark Mahogany frame | Oliver。Amazon.com : 0.3X High Grade Fish-Eye Lens for The Panasonic HC。All are dried specimens collected in the field for academic research.Data is included with each specimen.Not check