Diameter 25.4mm, Focal Length -75mm, K9 Biconcave Lens Optical Lens Double Concave Lens

描述

Biconcave Material: K9 Diameter: 25.4MM Focal length: -75MM Size tolerance: +/-0.15MM Finish: 40-20 Surface type: Lambda / 4 no coated membrane the shipment will be arranged in 2-5 working days and it takes another 4-8 working days to reach you.