Optics & Allied Engg. Pvt. Ltd. Manufactures and markets 130mm Table Top Precision Lens with bush and pillar systems focusing. Optics & Allied Engg. Pvt. Ltd. Is an ISO 9001-2000 certified company. The magnification of the lens is 4 x area magnification and 2 x liner magnifications. Optics & Allied Engg. Pvt. Ltd. Offers 32 Watts [230V] circular fluorescent tube to avoid shadows. 130mm Table Top Precision Lens with bush and pillar systems focusing also feature rigid stand of S.S Pillar with angle and height adjustments. The lumens of these lenses include 500 lumens [5,400 lux] of day light per square feet. 130mm Table Top Precision Lens has a dimension of 425 mm Length x 400 mm Width x 390 mm Height. These lenses weigh approximately 11 kg after packing.