Telephoto lens has a narrower angle of view,it thus gives apparent ... of distant organisms to be made. Specification of our telephoto lens as follow: *25mm,27mm,28mm,30mm,30.5mm,34mm,37mm ... ,46mm,49mm,52mm,55mm,58mm,62mm,72mm 2.0X telephoto lens; *37mm 2.0X and 3.0X telephoto ...