Videomaker – Learn video production and editing, camera reviews › Forums › Specialty Topics › Wedding and Event Video › Using a MFT and APS-C cameras › brunerwww, Don’t know if not
brunerwww, Don't know if not having a apature ring is a bad thing if the main purpose is to use the lens in low light. I would keep it open wide (2.8). But if I use it outside there would be a problem. I like your last suggestion of getting a simple adapter with built in ring.
I've read that when you step down with these adpaters they start to produce vignetting or is that with the FF lenses? Also are speed reducer design for FF or APS-C