Features: 1) Wide field plano-scope eyepiece WF10X 2) 45mm achromatic objective: 4X, 10X, 40X (S), 100X (S, oil) 3) Ariculated free trinocular head, 30 degrees inclined, 360 degrees rotatable 4) The vertical tube is used for second viewing or connecting with camera 5) X factors: 40X-100X 6) Stage: double layers mechanical stage 125 x 130mm 7) Moving range X-Y: 30 x 60mm 8) Diaphragm: Ø2-Ø3mm iris diaphragm and filter 9) ABBE condenser: N.A.1.25 10) Coaxial coarse and fine focusing adjustable mechanism: 20mm 11) Illumination: built-in adjustable brightness halogen lamp 6V/20W 12) N.W.: 4.5kg 13) Model Txs07-01ca: With CCD can connected with monitor or TV 14) Model Txs 07-01cb: with digital eyepiece can connected with computer through USB port Outer packing: 4 sets/ctn Carton dimensions: 69 x 45 x 47cm G.W.: 22g