30.5mm filters Filter type:Green designed for LTM/39mm threaded lenses

designed for LTM/39mm threaded lenses

some paint wear on the eyepiece side

8-4 is a telephoto zoom lens with an interchangeable Tamron Adaptall mount (a Pentax K mount is included)

but their own website features a Nikon F5 and what looks like a 600mm f4 AF-S VR lens

you might want to consider just picking up one of these instead: it has a built-in retractable shoulder mount

30.5mm filters Filter type:Green designed for LTM/39mm threaded lensesGood quality 30. 5mm filters from various brands. All are checked for condition, and will be optically clear; non optical parts may show minor cosmetic wear which will not affect function (e. g., no bent threads). If you have a specific brand request, please let us know if the purchase notes and we will try to accommodate (subject to availability)