Promaster Canon RF 後蓋

I've been using these caps for a few months now and they still snap on securely without any looseness. The textured grip makes twisting them off quick even when my hands are a bit sweaty. A solid way to keep dust off the glass between shoots.

The click when it locks into place is satisfying, and it's tight enough that I never worry about dust sneaking in while the lens sits in my bag. I've swapped it between three RF lenses this week and it hasn't loosened once.

Fits my RF lenses perfectly and clicks into place with a reassuringly solid feel—no more worrying about dust getting onto the rear element. Exactly what I needed for storing my glass safely.