有关望远镜的问题A telescope of 1000mm focal length is provided with
有关望远镜的问题 A telescope of 1000mm focal length is provided with 32 and 11 mm Plossl eyepieces along with a X2 Barlow lens .What four magnifications are available The 32 and 11mm eyepieces have field stop diameters of 27mm and 9mm,respectively.What fields of view would be observed with these two eyepieces? 试着翻译一下:望远镜的焦距为1000mm,目镜的焦距为32mm,光路中再放一两倍放大率的BARLOW透镜,试计算该望远镜的放大率? 如果该目镜的Field stop为27mm,该望远镜的视场为多大?