55mm Full Color Filters(Blue/Green/Orange/Red/Yellow) Made of optical glass. They are heat-treated to avoid any distortion or focal shift, and each filter is subject to strict tests in order to ensure a flawless, even surface, which is essential...

67mm Full Color Filters(Blue/Green/Orange/Red/Yellow) Made of optical glass. They are heat-treated to avoid any distortion or focal shift, and each filter is subject to strict tests in order to ensure a flawless, even surface, which is essential...

72mm Full Color Filters(Blue/Green/Orange/Red/Yellow) Made of optical glass. They are heat-treated to avoid any distortion or focal shift, and each filter is subject to strict tests in order to ensure a flawless, even surface, which is essential...