Quote:
Originally Posted by Merlin66
(Anyone know where to find a M46 to M48 step up adaptor? ie to fit a 46mm filter on a 48mm female thread)
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Could you clarify what you need. Does your filter have a 48mm male thread and you want to screw onto lens/camera with 46mm female thread? The step up ring steps up from 46mm to 48mm from the cameras point of view. The step-up ring would have a 46mm male thread to fit the female thread on the camera/lens and 48mm female thread to fit the male thread of the filter. If the filter is smaller than the camera/lens then you need a step down ring which would have 46mm female thread to take a 46mm filter and 48mm male thread to screw onto camera/lens with 48mm female thread on it.
Only available in OS that I found so far but you could ring some camera stores. Its not a common size jump here. These are step-up rings.
https://www.bhphotovideo.com/c/produ...p_Up_Ring.html
and
https://www.amazon.com/Sensei-SUR464.../dp/B00AE1MPJ4