... Field 60. 2. Direction of View 0, 30, 70. 3. Telescope 4*220mm. CystoscopeSpecification:The cystoscope has the Hopkins Rod Lens ... Field 60° 2. Direction of View 0°, 30°, 70° 3. Telescope Φ4×220mm4. Magnification of the Microscope5. Working Length 215mm6.Working ...