Zoom ratio: 1:6.4. Objective: 0.7X-4.5X zoom. Interpupillary distance adjustment range: 55-75mm. Base with clip and 95mm black &white working board. You a 56LED light source.The product has long working distance, large field of view, complete attachment is easy to operate. Can be widely used in medical and health, agriculture, forestry and. Precision machinery and other industries and sectors, particularly suitable for LED, PCB inspection, stamping plating inspection, electronic. Components inspection, antiques, jewelry appraisal. The item "7X-45X Professional Binocular Zoom Stereo Microscope Industry Watch Phone Repair" is in sale since Tuesday, May 28, 2019. This item is in the category "Business, Office & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Microscopes". The seller is "niu4705" and is located in Nanyang, Henan Province. This item can be shipped worldwide.