Allows you to use larger size filters on lenses with a smaller diameter thread. The first number is the size that screws into the lense, the second number is the filter size.
Reviewed by 3 customers
Correct size good threads fits both ends no tendency to cross tread with proper care sturdy
great tool so you can use all of your different size (MM) lens and only have to buy one size accessories.
No problems with the thread. fits lens well.