Binocular loupe without frames HDMax®

HDMax loupes 2.5x, 3.0x and 3.5x as well as PeriOptix 4x - Through-the-lens custom loupes are manufactured featuring cutting-edge components under strict quality standards, providing edge-to-edge sharpness and clarity with no optical aberrations or color distortion. HDMax® 2.5 TTL Loupes Weight: 47 grams Field of View: 3.5 inches Depth of Field: 5.5 inches HDMax Loupes 3.0 HDMax® 3.0 TTL Loupes Weight: 48 grams Field of View: 3.25 inches Depth of Field: 5 inches HDMax Loupes 3.5 HDMax® 3.5 TTL Loupes Weight: 51 grams Field of View: 3 inches Depth of Field: 4.5 inches Prismatic Loupes 4.0 Prismatic 4.0x TTL Loupes Weight: 61 grams Field of View: 2.5 inches Depth of Field: 2.5 inches