Canon ワイドTアダプター バヨネット式 2.4インチ用 (CWT-2070)

Finally, a T-adapter that actually makes full use of my Canon’s wide bayonet mount—the field of view in my deep-sky shots is noticeably wider compared to my old narrow ring adapter. The anodized finish feels solid and precise when threaded onto the scope. I’m getting sharp stars right to the edges n

The bayonet connection locked onto my camera body with zero play, which made a huge difference in keeping my deep-sky exposures sharp. I set it up with my scope and got noticeably better corner illumination compared to my old T-ring setup.

I was a bit skeptical about the adapter's bayonet mount making a difference for my astrophotography, but the significantly wider aperture compared to my old T-ring setup really lets in more light during deep-sky shots. It feels solidly built too, which is a relief when you're handling it in the dark