Refracting Telescope Tube (Planetarium and Optical Observatory)
Long refractor with true thick tube rim, recessed objective face, extended dew shield, two full retaining rings, mounting feet and dovetail rail. Rear optical attachment face accepts separate focuser.
- 格式
- GLB
- 文件大小
- 70 KB
- 三角面
- 4,164
- 许可
- CC0 1.0