"用远距镜头照相的" can be translated as "taken with a telephoto lens" or "photographed using a telephoto lens".
Here are some example sentences:
1、 This is a picture taken with a telephoto lens.
这是一张用远距镜头拍摄的照片。
2、 The photographer used a telephoto lens to capture the distant subject clearly.
摄影师使用远距镜头清晰地捕捉到了远处的主体。