NiSi Brass Pro 49-77mm 升級轉接環

After struggling with cheap aluminum step-up rings that constantly got stuck, this brass one threads on smoothly and holds tight without any wobble. The knurling gives just enough grip to get a solid turn even with slightly damp hands.

The knurled sides make a huge difference when swapping filters on a cold shoot—my fingers aren't slipping at all. It threads onto my 49mm lens smoothly without any of that grinding feel I've gotten with cheaper rings. Really solid brass construction that just feels more durable than my old aluminum

Finally, a step-up ring that doesn't get stuck on my lens! The brass build feels solid and the knurled sides give me plenty of grip, even with cold fingers. It's a simple upgrade, but it makes swapping my 77mm filters onto my 49mm lens quick and frustration-free.