M54 至 M48 轉接器（公頭至母頭）

The threading is precise and smooth, and the thickness gives it a solid, durable feel. I paired it with my setup and everything locked together perfectly. This little adapter solved my connection issue without any fuss.

Finally, an adapter that actually has the right thread pitch for my setup — the thickness is just enough to give me proper back focus spacing. Works perfectly between my flattener and camera.

I’d been hunting for a way to attach my filter wheel to the telescope, and this adapter’s 6mm thickness makes the connection solid without adding extra play. Screwed on smoothly and held everything perfectly centered during my first test session.