日本OTSUKA大冢放大镜 技术参数：・Magnet stand type・Total length：355mm・Support：300mm（φ16）・Horizontal bar：140mm（φ13）・Weight：4.5㎏ ・Magnification：×2 ×3 ×4 ×6 ×8 ×10 ×12 ×15 ※All mschine types are available with magnification 2×,3×,4×,6×,8×,10×,12×(optical lens specifications)Exchange lens price list