When searching for the right filter fit for your lens, the MidOpt® Filter Mount Size Finder makes it easy to identify the correct thread size for any lens, saving time and ensuring a perfect fit.

How it works: Just enter your lens make and model, and our tool does the rest. Whether you’re working with C/CS-mount or DSLR lenses, this resource eliminates the guesswork and helps you find the exact filter size you need.

Simple and fast to use Supports a wide range of lens brands and models Ensures compatibility with MidOpt® filters

Supported lenses:

Qioptic, Computar, Fujinon, GOYO, Kowa, Navitar, Opto Engineering, Ricoh, Tamron, Theia, Pentax, Basler, Edmund Optics, and more...

Mount Size Finder

Contact us for assistance in finding the correct filter size for your lens.

Video demonstration here