For example a step up ring will allow you attach an accessory with a larger filter thread diameter than the lens has.
Step up ring adapter.
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Unless you have unused image circle available to be blocked with the step down ring or unless the filter threads are far enough outside of the lens angle of view to accommodate the ring you will experience mechanical.
For example a 25 5mm to 46mm step up ring is used for a camera or lens with a 25 5mm thread.
This step up ring.
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Step down rings are also available but they seldom make sense.
The adapter ring s first number is the size of the male thread that screws on to the existing lens.
Filters used on step up adapter rings are typically circular polarizing filters or neutral density filters.
Knowing the size of your camera lens and filter is the critical factor when determining step up ring size.
The second number is the size of the remaining thread a female thread.
Adorama step up adapter ring 67mm lens to 77mm filter size.
A step down ring will allow accessories with a smaller filter thread to be used on your lens.
Step down and step up rings allow you attach different accessories to a lens that what the filter thread would normally allow.
As an example if you own three lenses one with a 52mm thread another with a 67mm thread and a third with a 77mm thread you want a filter to fit the widest diameter thread size in this case 77mm and a pair of step up rings 67 77mm and 52 77mm to.
Adapter rings are labeled from the camera to the filter.
Although step up adapter rings all serve the same purpose it s a good idea to consider a few things before purchasing.
Overview q a compare overview about adorama step up adaptr ring 67mm lens to 77mm filt featured reviews.
Choosing camera step up rings.