big magnification, but field of view has not any cut-down, as like 2.5x or 3x,highest resolution for the most precise operation.
Model | Magnification | Working distance | Depth of Field | Field of view | Weight |
---|---|---|---|---|---|
400S | 4X | 340mm | 40mm | 60mm | 88g |
400R | 4X | 420mm | 40mm | 65mm | 88g |
400L | 4X | 500mm | 40mm | 70mm | 88g |
400XL | 4X | 550cm | 40mm | 75mm | 88g |
color:black loupes, black frame, black fasten belt, black clean fabric, black eyeglass case.