Negative Positive
Title: Useful to keep filter costs down
Review: This was a good way for my filters to be shared amongst my lenses without duplicating my purchases. However, there is a drawback. It can sometimes be difficult to remove if it got tightened too much to the filter and this leads to not being able to move the filter from one lense to another quickly enough. However, in my regular use this has not been much of a problem and so has not prevented me from using this regularly. The only other problem is the one mentioned by the other reviewer where lense hoods cannot be used with the step-up ring as there is usually not enough space.To save potentially a lot of money in an already expensive hobby this can be a useful tool.
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