Conrad head magnifying glass 1 8 to 4 8x conrad 801828 p this head magnifying glass 1 8 to 4 8x is the ideal device in the areas of precision engineering electronics modelling and jewellery or anywhere else requiring close attention to detail p p versatile and easily adjustable to all head sizes via the velcro fastener while also suitable for wearers of spectacles p p equipped with 4 magnification factors default 1 8x and 2 3x by moving the microscope magnification factors 3