Inquiry (采购产品): yepieces We will need a eyepiece 25X 23,4mm to obtain 40X (25 x 1,6 = 40X)Magnification Selection: 2 steps by objective lens rotation Eyepiece: 10X, 16X Magnification Ratio: 10X, 16X (10X)/ 16X, 25.6X (16X) For the other model we have Magnification Selection: 3 steps by objective lens rotation Eyepiece: 12,5X Magnification Ratio: 10X, 16,0X, 25,0X we will need a eyepiece 20X 30mm to obtain 40X (20 x 25 = 40X) Sincerely **** Hidden Message ***** Co:Chico-Med Tec Add:Largo de So Francisco, 26/915 Tel:5521 2224.9561 Fax:2224.5416 Email:chico@medtecbr.com.br Website:www.medtecbr.com.br Contact Person:Francisco Almeida Country:Brazil **** Hidden Message ***** chico@medtecbr.com.br